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Title:
ALKYLATION PROCESS WITH THERMAL OXIDATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/072960
Kind Code:
A1
Abstract:
Processes for treating effluent streams in alkylation processes are described. One or more process streams rom HF alkylation processes, H2SO4 alkylation processes, or ionic liquid alkylation processes can be thermally oxidized in a thermal oxidation system. The thermal oxidation system can replace at least one of the caustic wash unit, the neutralization unit, and the acid gas treatment unit.

Inventors:
TERTEL JONATHAN A (US)
GATTUPALLI RAJESWAR R (US)
DE REN JAN (US)
WHYMAN WILLIAM (US)
ROMAN DAVID A (US)
Application Number:
PCT/US2021/071072
Publication Date:
April 07, 2022
Filing Date:
July 30, 2021
Export Citation:
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Assignee:
HONEYWELL INT INC (US)
International Classes:
C07C2/62; B01D53/40; C02F1/72
Domestic Patent References:
WO2020150353A12020-07-23
Foreign References:
US5098668A1992-03-24
US3721720A1973-03-20
US20080207971A12008-08-28
Other References:
DOUGLAS A. NAFIS ET AL.: "Handbook of Petroleum Processing", 30 November 2013, SPRINGER INTERNATIONAL PUBLISHING, Switzerland, ISBN: 978-3-319-05545-9, article DOUGLAS A. NAFIS, KURT A. DETRICK, ROBERT L. MEHLBERG : "Alkylation in Petroleum Processing", pages: 1 - 17, XP009536747, DOI: 10.1007/978-3-319-05545-9_5-1
Attorney, Agent or Firm:
BENINATI, John F. et al. (US)
Download PDF:
Claims:
What is claimed is: 1. A process for treating off-gas and waste effluent streams in an alkylation complex comprising: thermally oxidizing at least one of: an acid soluble oil (acid ASO) stream (335) from a liquid acid alkylation process section (315), an acid gas stream (375) from the liquid acid alkylation process section (315), an acid liquid stream (380) from the liquid acid alkylation process section (315), a neutralized ASO stream (360) from a caustic wash zone (350), and a spent caustic stream (376) from an acid gas scrubber zone (370); or an acid spent ionic liquid stream (340) from an ionic liquid alkylation process section (315), an acid gas stream (375) from the ionic liquid alkylation process section (315), an acid liquid stream (380) from the ionic liquid alkylation process section (315), a neutralized spent ionic liquid (365) from an ionic liquid caustic wash zone (350), and a spent caustic stream (376) from an acid gas scrubber zone (370); in a thermal oxidation system (345), comprising; thermally oxidizing the at least one of: the acid ASO stream (335) from the liquid acid alkylation process section (315), the acid gas stream (375) from the liquid acid alkylation process section (315), the acid liquid stream (380) from the liquid acid alkylation process section (315), the acid spent ionic liquid (340) from the ionic liquid alkylation process section (315), the acid gas stream (375) from the ionic liquid alkylation process section (315), the neutralized ASO stream (360) from the caustic wash zone (350), and the spent caustic stream (376) from the acid gas scrubber zone (370); or an acid spent ionic liquid (340) from an ionic liquid alkylation process section (315), an acid gas stream (375) from the ionic liquid alkylation process section (315), the acid liquid stream (380) from the ionic liquid alkylation process section (315), the neutralized spent ionic liquid (365) from the ionic liquid caustic wash zone (350, and the spent caustic stream (376) from the acid gas scrubber zone (370), in a thermal oxidizing section (400) forming flue gas (440) consisting essentially of at least one of H2O, CO2, N2, O2, SOx, NOx, HCl, Cl2, HF, F2, Na2O, Na2SO3, Na2SO4, Na2CO3, NaCl, NaF, CaF2, CaO, CaSO3, CaSO4, CaCO3, CaCl2, K2O, K2SO3, K2SO4, K2CO3, KCl, KF, Al2O3, NiO, FeO, FeO2, Fe2O3, Fe3O4, and CuO; optionally recovering waste heat from the flue gas (440) in a waste heat recovery section (405); removing at least one of SOx, HCl, Cl2, HF, F2, Na2SO3, Na2SO4, Na2CO3, NaCl, NaF, CaF2, CaSO3, CaSO4, CaCO3, CaCl2, K2SO3, K2SO4, K2CO3, KCl, KF, Al2O3, NiO, FeO, FeO2, Fe2O3, Fe3O4, and CuO from the flue gas (440) in a contaminant removal section to form a decontaminated outlet flue gas (485) consisting essentially of at least one of H2O, CO2, N2, O2, and NOx, wherein removing the at least one of SOx, HCl, Cl2, HF, F2, Na2SO3, Na2SO4, Na2CO3, NaCl, NaF, CaF2, CaSO3, CaSO4, CaCO3, CaCl2, K2SO3, K2SO4, K2CO3, KCl, KF, Al2O3, NiO, FeO, FeO2, Fe2O3, Fe3O4, and CuO from the flue gas comprises: quenching the flue gas (440) in a quench section (410) to form quenched flue gas (470) after recovering the waste heat; and contacting a caustic solution (475) with the quenched flue gas (470) in a contaminant scrubbing section (415) to form the decontaminated outlet flue gas and a liquid stream comprising at least one of H2O, NaCl, HCl, Cl2, HF, F2, Na2SO3, Na2SO4, Na2CO3, NaCl, NaF, CaF2, CaSO3, CaSO4, CaCO3, CaCl2, K2SO3, K2SO4, K2CO3, KCl, KF, Al2O3, NiO, FeO, FeO2, Fe2O3, Fe3O4, and CuO; or reacting the flue gas (440) with a reactant in a contaminant reaction section (560) to form a reaction section flue gas (625) consisting essentially of at least one of H2O, CO2, N2, O2, Na2SO4, Na2CO3, NaCl, NaF, CaF2, CaSO4, CaCO3, CaCl2, K2SO4, K2CO3, KCl, KF, Al2O3, NiO, FeO, FeO2, Fe2O3, Fe3O4, and CuO wherein the reactant comprises at least one of NaHCO3, NaHCO3∙Na2CO3∙2(H2O), CaCO3 and Ca(OH)2; and filtering the reaction section flue gas (625) in a filtration section (565) to remove at least one of Na2SO4, Na2CO3, NaCl, NaF, CaF2, CaSO4, CaCO3, CaCl2, K2SO4, K2CO3, KCl, KF, Al2O3, NiO, FeO, FeO2, Fe2O3, Fe3O4, and CuO to form the decontaminated outlet flue gas (645); and optionally removing NOx from the decontaminated outlet flue gas 485 in an NOx removal section (420) to form a de-NOx outlet flue gas (495) consisting

2. The process of claim 1 wherein the liquid acid alkylation process section (315) comprises an HF alkylation process section, further comprising: alkylating a C3-4 olefin stream (305) comprising propylene and butene and an isobutane stream (310) comprising isobutane in the HF alkylation process section in the presence of an acid catalyst comprising HF to produce a reaction mixture comprising alkylate, unreacted propylene, unreacted normal butene, HF catalyst, and spent HF catalyst; separating the reaction mixture into an alkylate stream (320), an HF catalyst stream, the acid ASO stream (335) comprising spent HF catalyst, the acid gas stream (375), the acid liquid stream (380), and a stream (325, 330) comprising at least one of the unreacted propylene and the unreacted normal butene; and thermally oxidizing at least one of the acid ASO stream (335), the acid gas stream (375), and the acid liquid stream (380). 3. The process of claim 2 further comprising: neutralizing at least one of the acid ASO stream (335), the acid gas stream (375), the acid liquid stream (380) with caustic (355, 372, 382) forming at least one of the neutralized ASO stream (360), a neutralized gas stream (375), a neutralized liquid stream (380), and a spent caustic stream (376); and thermally oxidizing at least one of the neutralized ASO stream (360), the neutralized gas stream (375), the neutralized liquid stream (380), and the spent caustic stream (376); optionally introducing at least one of the neutralized ASO stream (360) into a neutralized ASO surge tank (387) before thermally oxidizing the neutralized ASO stream (360) and introducing the neutralized liquid stream (380) into a neutralized liquid surge tank before thermally oxidizing the neutralized liquid stream (380); and optionally introducing at least one of the acid ASO stream (335) into an acid ASO surge tank (386) before thermally oxidizing the acid ASO stream (335) and introducing the acid liquid stream (380) into an acid liquid surge tank before thermally oxidizing the acid liquid stream (380).

4. The process of claim 1 wherein the alkylation process section (315) comprises an H2SO4 alkylation process section, further comprising: alkylating a C3-4 olefin stream (305) comprising propylene and butene and an isobutane stream (310) comprising isobutane in the H2SO4 alkylation process section in the presence of an acid catalyst comprising H2SO4 to produce a reaction mixture comprising alkylate, unreacted propylene, unreacted normal butene, H2SO4 catalyst, and spent H2SO4 catalyst; separating the reaction mixture into an alkylate stream (320), an H2SO4 catalyst stream, the acid ASO stream (335) comprising spent H2SO4 catalyst, the acid gas stream (375), the acid liquid stream (380), and a stream (325, 330) comprising at least one of the unreacted propylene and the unreacted normal butene; and thermally oxidizing at least one of the acid ASO stream (335), the acid gas stream (375), and the acid liquid stream (380). 5. The process of claim 4 further comprising: neutralizing at least one of the acid ASO stream (335), the acid gas stream (375), the acid liquid stream (380) with caustic (355, 372, 382) forming at least one of the neutralized ASO stream (360), the neutralized gas stream (375), the neutralized liquid stream (380), and a spent caustic stream (376); and thermally oxidizing at least one of the neutralized ASO stream (360), the neutralized gas stream (375), the neutralized liquid stream (380), and the spent caustic stream (376); optionally, introducing at least one of the neutralized ASO stream (360) into a neutralized ASO surge tank (387) before thermally oxidizing the neutralized ASO stream (360) and introducing the neutralized liquid stream (380) into a neutralized liquid surge tank before thermally oxidizing the neutralized liquid stream (380); and optionally introducing at least one the acid ASO stream (335) into an acid ASO surge tank (386) before thermally oxidizing the acid ASO stream (335), and introducing the acid liquid stream (380) into an acid liquid surge tank before thermally oxidizing the acid liquid stream (380).

6. The process of claim 1 wherein the ionic liquid alkylation process section (315) is present, further comprising: alkylating a C3-4 olefin stream (305) comprising propylene and butene and an isobutene stream (310) comprising isobutane in the ionic liquid alkylation process section (315) in the presence of an acid catalyst comprising an ionic liquid to produce a reaction mixture comprising alkylate, unreacted propylene, unreacted normal butene, ionic liquid catalyst, and spent ionic liquid catalyst; separating the reaction mixture into an alkylate stream (320), an ionic liquid catalyst stream, the acid spent ionic liquid stream (340) comprising spent ionic liquid catalyst, the acid gas stream (375), the acid liquid stream (380), and a stream (325,330) comprising at least one of the unreacted propylene and the unreacted normal butene; and thermally oxidizing at least one of the acid spent ionic liquid stream (340), the acid gas stream (375), and the acid liquid stream (380). 7. The process of claim 6 further comprising: neutralizing at least one of the acid spent ionic liquid stream (340), the acid gas stream (375), and the acid liquid stream (380) with caustic (355, 372, 382) forming at least one of the neutralized spent ionic liquid stream (365), a neutralized gas stream (375), a neutralized liquid stream (380), and a spent caustic stream (376); and thermally oxidizing at least one of the neutralized spent ionic liquid stream (365), the neutralized gas stream (375), the neutralized liquid stream (380), and the spent caustic stream (376). 8. The process of claim 7 further comprising: introducing at least one of the neutralized spent ionic liquid stream (365) into an neutralized ionic liquid surge tank (390) before thermally oxidizing the neutralized spent ionic liquid stream (365), and introducing the neutralized liquid stream (380) into a neutralized liquid surge tank or both before thermally oxidizing the neutralized liquid stream (380). introducing at least one of the acid spent ionic liquid stream (340) into an acid spent ionic liquid surge tank (385) before thermally oxidizing the acid spent ionic liquid (340), and introducing the acid liquid stream (380) to an acid liquid surge tank before thermally oxidizing the acid liquid stream (380). 10. The process of claim 6 wherein the ionic liquid comprises a chloroaluminate ionic liquid.

Description:
ALKYLATION PROCESS WITH THERMAL OXIDATION SYSTEM STATEMENT OF PRIORITY This application claims the benefit of U.S. Provisional Patent Application Ser. No. 63/085,250 filed September 30, 2020, the entirety of which is incorporated herein by reference. BACKGROUND Alkylation is typically used to combine light olefins, for example mixtures of alkenes such as propylene and butene, with isobutane to produce a relatively high-octane branched- chain paraffinic hydrocarbon fuel, including isoheptane and isooctane. Similarly, an alkylation reaction can be performed using an aromatic compound such as benzene in place of the isobutane. When using benzene, the product resulting from the alkylation reaction is an alkylbenzene (e.g. ethylbenzene, cumene, dodecylbenzene, etc.). The alkylation of paraffins with olefins for the production of alkylate for gasoline can use a variety of catalysts. The choice of catalyst depends on the end product a producer desires. Typical alkylation catalysts include liquid acid catalysts, such as hydrofluoric acid (HF), sulfuric acid (H 2 SO 4 ), and acid ionic liquid catalysts. HF and H 2 SO 4 alkylation processes generate large amounts of acidic waste including acid soluble oils (ASO) that must be treated and disposed of. Ionic liquids, although very stable, will react with oxygen in the feed, which requires removing the spent ionic liquid from the alkylation process. Treatment of these acidic waste streams requires chemicals, as well as additional capital and operating costs for the caustic wash unit, the neutralization unit, and the acid gas treatment unit, as well as disposal costs. Moreover, these treatments may not be sufficient to meet increasingly stringent environmental regulations. Therefore, there is a need for an improved process for treating effluent streams in alkylation processes. BRIEF DESCRIPTION OF THE DRAWINGS Fig.1 is an illustration of one embodiment of an alkylation process. Fig. 2 is an illustration of one embodiment of an alkylation process according to the present invention. Fig.3 is an illustration of one embodiment of a thermal oxidation system according to the present invention. Fig.4 is an illustration of another embodiment of a thermal oxidation system according to the present invention. DESCRIPTION OF THE INVENTION The present invention relates to a process for treating effluent streams in alkylation processes. At least one of the caustic wash unit, the neutralization unit, and the acid gas treatment unit, can be replaced with a thermal oxidation system. The elimination of several process units with their associated equipment decreases the capital costs. The operating costs are reduced as a result of decreasing or eliminating the corrosion problems and environmental issues and chemical requirements and disposal of spent caustic streams, e.g., spent NaOH or KOH. Additionally, energy costs are reduced as a result of optional waste heat recovery. Waste heat can be recovered in the form of steam, hot oil, electricity, or combinations thereof. The steam and/or hot oil and/or electricity can be used to supply heat requirements in various pieces of equipment in the alkylation process or elsewhere. This includes, but is not limited to, reboilers for a variety of columns such as an isostripper column, a depropanizer column, an HCL stripper column, a rerun column, and an HF stripper column. One aspect of the invention is a process for treating off-gas and waste effluent streams in an alkylation complex. In one embodiment, the process comprises: thermally oxidizing at least one of: an acid soluble oil (acid ASO) stream from a liquid acid alkylation process section, an acid gas stream from the liquid acid alkylation process section, an acid liquid stream from the liquid acid alkylation process section, a neutralized ASO stream from a caustic wash zone, and a spent caustic stream from an acid gas scrubber zone; or an acid spent ionic liquid from an ionic liquid alkylation process section, an acid gas stream from the ionic liquid alkylation process section, an acid liquid stream from the ionic liquid alkylation process section, a neutralized spent ionic liquid from an ionic liquid caustic wash zone, and a spent caustic stream the at least one of: the acid ASO stream from the liquid acid alkylation process section, the acid gas stream from the liquid acid alkylation process section, the acid liquid stream from the liquid acid alkylation process section, the acid spent ionic liquid from the ionic liquid alkylation process section, the acid gas stream from the ionic liquid alkylation process section, the neutralized ASO stream from the caustic wash zone, and the spent caustic stream from the acid gas scrubber zone; or the acid liquid stream from the ionic liquid alkylation process section, the neutralized spent ionic liquid from the ionic liquid caustic wash zone, and the spent caustic stream from the acid gas scrubber zone, in a thermal oxidizing section forming flue gas consisting essentially of at least one of H 2 O, CO 2 , N 2 , O 2 , SOx, NOx, HCl, Cl 2 , HF, F 2 , Na 2 O, Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaO, CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 O, K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO; optionally recovering waste heat from the flue gas in a waste heat recovery section; removing at least one of SOx, HCl, Cl 2 , HF, F 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO from the flue gas in a contaminant removal section to form a decontaminated outlet flue gas consisting essentially of at least one of H 2 O, CO 2 , N 2 , O 2 , and NOx, wherein removing the at least one of SOx, HCl, Cl 2 , HF, F 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO from the flue gas comprises: quenching the flue gas in a quench section to form quenched flue gas after recovering the waste heat; and contacting a caustic solution with the quenched flue gas in a contaminant scrubbing section to form the decontaminated outlet flue gas and a liquid stream comprising at least one of H 2 O, NaCl, HCl, Cl 2 , HF, F 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO; or reacting the flue gas with a reactant in a contaminant reaction section to form a reaction section flue gas consisting essentially of at least one of H 2 O, CO 2 , N 2 , O 2 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO wherein the reactant comprises at least one of NaHCO 3 , NaHCO 3 ∙Na 2 CO 3 ∙2(H 2 O), CaCO 3 and Ca(OH) 2 ; and filtering the reaction section flue gas in a filtration section to remove at least one of Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO to form the decontaminated outlet flue gas; and optionally removing NOx from the decontaminated outlet flue gas in an NOx removal section to form a de-NOx outlet flue gas consisting essentially of at least one of H 2 O, CO 2 , N 2 , and O 2 . In some embodiments, the liquid acid alkylation process section comprises an HF alkylation process section or an H 2 SO 4 alkylation process section. In some embodiments, the liquid acid alkylation process section comprises an HF alkylation process section, further comprising: alkylating a C 3-4 olefin stream comprising propylene and butene and an isobutane stream comprising isobutane in the HF alkylation process section in the presence of an acid catalyst comprising HF to produce a reaction mixture comprising alkylate, unreacted propylene, unreacted normal butene, HF catalyst, and spent HF catalyst; separating the reaction mixture into an alkylate stream, an HF catalyst stream, the acid ASO stream comprising spent HF catalyst, the acid gas stream, the acid liquid stream, and a stream comprising at least one of the unreacted propylene and the unreacted normal butene; thermally oxidizing at least one of the acid ASO stream, the acid gas stream, and the acid liquid stream. In some embodiments, the process further comprises: neutralizing at least one of the acid ASO stream, the acid gas stream, the acid liquid stream with caustic forming at least one of the neutralized ASO stream, a neutralized gas stream, a neutralized liquid stream, and a spent caustic stream; thermally oxidizing at least one of the neutralized ASO stream, the neutralized gas stream, the neutralized liquid stream, and the spent caustic stream. In some embodiments, the process further comprises: introducing at least one of the neutralized ASO stream into a neutralized ASO surge tank before thermally oxidizing the neutralized ASO stream and introducing the neutralized liquid stream into a neutralized liquid surge tank before thermally oxidizing the neutralized liquid stream. In some embodiments, the process further comprises: introducing and least one of the acid ASO stream into an acid ASO surge tank before thermally oxidizing the acid ASO stream and introducing the acid liquid stream into an acid liquid surge tank before thermally oxidizing the acid liquid stream. In some embodiments, the alkylation process section comprises an H 2 SO 4 alkylation process section, further comprising: alkylating a C 3-4 olefin stream comprising propylene and butene and an isobutane stream comprising isobutane in the H 2 SO 4 alkylation process section in the presence of an acid catalyst comprising H 2 SO 4 to produce a reaction mixture comprising alkylate, unreacted propylene, unreacted normal butene, H 2 SO 4 catalyst, and spent H 2 SO 4 acid ASO stream comprising spent H 2 SO 4 catalyst, the acid gas stream, the acid liquid stream, and a stream comprising at least one of the unreacted propylene and the unreacted normal butene; thermally oxidizing at least one of the acid ASO stream, the acid gas stream, and the acid liquid stream. In some embodiments, the process further comprises: neutralizing at least one of the acid ASO stream, the acid gas stream, the acid liquid stream with caustic forming at least one of the neutralized ASO stream, the neutralized gas stream, the neutralized liquid stream, and a spent caustic stream; thermally oxidizing at least one of the neutralized ASO stream, the neutralized gas stream, the neutralized liquid stream, and the spent caustic stream. In some embodiments, the process further comprises: introducing at least one of the neutralized ASO stream into a neutralized ASO surge tank before thermally oxidizing the neutralized ASO stream and introducing the neutralized liquid stream into a neutralized liquid surge tank before thermally oxidizing the neutralized liquid stream. In some embodiments, the process further comprises: introducing at least one the acid ASO stream into an acid ASO surge tank before thermally oxidizing the acid ASO stream, and introducing the acid liquid stream into an acid liquid surge tank before thermally oxidizing the acid liquid stream. In some embodiments, the ionic liquid alkylation process section is present, further comprising: alkylating a C 3-4 olefin stream comprising propylene and butene and an isobutene stream comprising isobutane in the ionic liquid alkylation process section in the presence of an acid catalyst comprising an ionic liquid to produce a reaction mixture comprising alkylate, unreacted propylene, unreacted normal butene, ionic liquid catalyst, and spent ionic liquid catalyst; separating the reaction mixture into an alkylate stream, an ionic liquid catalyst stream, the acid spent ionic liquid stream comprising spent ionic liquid catalyst, the acid gas stream, the acid liquid stream, and a stream comprising at least one of the unreacted propylene and the unreacted normal butene; thermally oxidizing at least one of the acid spent ionic liquid stream, the acid gas stream, and the acid liquid stream. In some embodiments, the process further comprises: neutralizing at least one of the acid spent ionic liquid stream, the acid gas stream, and the acid liquid stream with caustic forming at least one of the neutralized spent ionic liquid stream, a neutralized gas stream, a neutralized liquid stream, and a spent caustic stream; thermally oxidizing at least one of the neutralized spent ionic liquid stream, the neutralized gas stream, the neutralized liquid stream, In some embodiments, the process further comprises: introducing at least one of the neutralized spent ionic liquid stream into an neutralized ionic liquid surge tank before thermally oxidizing the neutralized spent ionic liquid stream, and introducing the neutralized liquid stream into a neutralized liquid surge tank or both before thermally oxidizing the neutralized liquid stream. In some embodiments, the process further comprises: introducing at least one of the acid spent ionic liquid stream into an acid spent ionic liquid surge tank before thermally oxidizing the acid spent ionic liquid, and introducing the acid liquid stream to an acid liquid surge tank before thermally oxidizing the acid liquid stream. In some embodiments, the ionic liquid comprises a chloroaluminate ionic liquid. Another aspect of the invention is a process for treating off-gas and waste effluent streams in an alkylation complex. In one embodiment, the process comprises: alkylating a C 3-4 olefin stream comprising propylene and butene and an isobutane stream comprising isobutene in an liquid acid alkylation process section or an ionic liquid alkylation process section in the presence of an acid catalyst to produce a reaction mixture comprising alkylate, unreacted propylene, unreacted normal butene, acid catalyst, and spent acid catalyst, wherein the acid catalyst comprises HF, H 2 SO 4 , or an ionic liquid; separating the reaction mixture into at least one of: and alkylate stream, the acid ASO stream, an acid gas stream from the liquid acid alkylation process section, an acid liquid stream from the liquid and an acid alkylation process section; or an acid spent ionic liquid from an ionic liquid alkylation process section, an acid gas stream from the ionic liquid alkylation process section, an acid liquid stream from the ionic liquid alkylation process section, and a stream comprising at least one of the unreacted propylene and the unreacted normal butene; thermally oxidizing at least one of: the acid ASO stream, the acid gas stream from the liquid acid alkylation process section, the acid liquid stream from the liquid acid alkylation process section, a neutralized ASO stream from a caustic wash zone, and a spent caustic stream from an acid gas scrubber zone; or the acid spent ionic liquid from an ionic liquid alkylation process section, the acid gas stream from the ionic liquid alkylation process section, the acid liquid stream from the ionic liquid alkylation process section, a neutralized spent ionic liquid from an ionic liquid caustic wash zone, and a spent caustic stream from an acid gas scrubber zone; in a thermal oxidation system, comprising; thermally oxidizing the at least one of: the acid ASO stream from the liquid acid alkylation liquid stream from the liquid acid alkylation process section, the acid spent ionic liquid from the ionic liquid alkylation process section, the acid gas stream from the ionic liquid alkylation process section, the neutralized ASO stream from the caustic wash zone, and the spent caustic stream from the acid gas scrubber zone; or the acid liquid stream from the ionic liquid alkylation process section, the neutralized spent ionic liquid from the ionic liquid caustic wash zone, and the spent caustic stream from the acid gas scrubber zone, in a thermal oxidizing section forming flue gas consisting essentially of at least one of H 2 O, CO 2 , N 2 , O 2 , SOx, NOx, HCl, Cl 2 , HF, F 2 , Na 2 O, Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaO, CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 O, K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO; optionally recovering waste heat from the flue gas in a waste heat recovery section; removing at least one of SOx, HCl, Cl 2 , HF, F 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO from the flue gas in a contaminant removal section to form a decontaminated outlet flue gas consisting essentially of at least one of H 2 O, CO 2 , N 2 , O 2 , and NOx, wherein removing the at least one of SOx, HCl, Cl 2 , HF, F 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO from the flue gas comprises: quenching the flue gas in a quench section to form quenched flue gas after recovering the waste heat; and contacting a caustic solution with the quenched flue gas in a contaminant scrubbing section to form the decontaminated outlet flue gas and a liquid stream comprising at least one of H 2 O, NaCl, HCl, Cl 2 , HF, F 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO; or reacting the flue gas with a reactant in a contaminant reaction section to form a reaction section flue gas consisting essentially of at least one of H 2 O, CO 2 , N 2 , O 2 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 4 , CaCO 3 , CaCl 2 , , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO wherein the reactant comprises at least one of NaHCO 3 , NaHCO 3 ∙Na 2 CO 3 ∙2(H 2 O), CaCO 3 and Ca(OH) 2 ; and filtering the reaction section flue gas in a filtration section to remove Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO to form the decontaminated outlet flue gas; and optionally removing NOx from the decontaminated outlet flue gas in an NOx removal section to form a de-NOx outlet flue gas consisting essentially of at least one of H 2 O, CO 2 , N 2 , and O 2 . In some embodiments, the process further comprises: neutralizing at least one of the acid ASO stream, the acid gas stream from the liquid acid alkylation process section, the acid liquid stream from the liquid acid alkylation process section, the acid spent ionic liquid stream, the acid gas stream from the ionic liquid alkylation process section, the acid liquid stream from the ionic liquid alkylation process section with caustic forming the neutralized ASO stream, a neutralized gas stream from the liquid acid alkylation process section, a neutralized liquid stream from the liquid acid alkylation process section, the neutralized spent ionic liquid stream, a neutralized gas stream from the ionic liquid alkylation process section, a neutralized liquid stream from the ionic liquid alkylation process section, and the spent caustic stream; thermally oxidizing at least one of the neutralized ASO stream, the neutralized liquid stream from the liquid acid alkylation process section the neutralized spent ionic liquid stream, the neutralized liquid stream from the ionic gas alkylation process section, the neutralized liquid stream from the ionic liquid alkylation process section, and the spent caustic stream. In some embodiments, the process further comprises: introducing at least one of: the neutralized ASO stream into a neutralized ASO surge tank before thermally oxidizing the neutralized ASO stream, the neutralized liquid stream from the liquid acid alkylation process section into a neutralized liquid surge tank before thermally oxidizing the neutralized liquid stream, the neutralized spent ionic liquid stream into a neutralized spent ionic liquid surge tank before thermally oxidizing the neutralized spent ionic liquid stream, the neutralized liquid stream from the ionic gas alkylation process section into a neutralized liquid surge tank before thermally oxidizing the neutralized liquid stream, and the spent caustic stream into a spent caustic surge tank before thermally oxidizing the spent caustic stream. In some embodiments, the ionic liquid comprises a chloroaluminate ionic liquid. The paraffin used in the alkylation process preferably comprises an isoparaffin having from 4 to 10 carbon atoms, or 4 to 8 carbon atoms, or 4 to 5 carbon atoms. The olefin used in the alkylation process preferably has from 2 to 10 carbon atoms, or 3 to 8 carbon atoms, or 3 to 5 carbon atoms. One application of the alkylation process is to upgrade low value C 3 and C 4 hydrocarbons to higher value alkylates. To that extent, one specific embodiment is the alkylation of butanes with propylene and butene to generate C 7-8 compounds. Preferred products include trimethylpentane (TMP), and while other C 8 isomers are produced, one competing isomer is dimethylhexane (DMH). The quality of the product stream can be measured in the ratio of TMP to DMH, with a high ratio desired. The isoparaffin and olefin are sent to an alkylation process section. The alkylation process section can be a liquid acid alkylation process section or an ionic liquid alkylation process section. The alkylation process section includes a liquid acid alkylation catalyst or an ionic liquid catalyst to react the olefin with the isoparaffin to generate alkylate. The liquid acid alkylation process section can use a liquid acid, such as HF or H 2 SO 4 . The ionic liquid alkylation process section can use any suitable acid ionic liquid. Suitable acid ionic liquid catalysts are described in US Pat. No. 10,369,556, for example. Suitable acid ionic liquids, include, but are not limited to, chloroaluminate ionic liquids. HF alkylation processes, H 2 SO 4 alkylation processes, and ionic liquid alkylation processes are known in the art (e.g., HF alkylation: 4,774375, 4,891,466, 5,763,728, 5,948,947, and EP 0 320 094; H 2 SO 4 alkylation: 7,652,187, and 7,977,525; ionic liquid alkylation 8,329,603, 9,079, 816, 9,181,150, 9,302,951, 9,328,037, 9,399,604, 9,914,675, and 10,369,556; each of which is incorporated herein by reference). Alkylation reaction temperatures are typically in the range of from 5°C to 150°C. Lower temperatures favor alkylation reaction of isoparaffins with olefins over competing olefin side reactions such as oligomerization and polymerization. However, overall reaction rates decrease with decreasing temperatures. Temperatures within the given range, and preferably in the range of from 30°C to 130°C, provide good selectivity for alkylation of isoparaffins with olefins at commercially attractive reaction rates. Reaction pressures in the alkylation reaction zone may range from pressures sufficient to maintain reactants in the liquid phase to 1.5 MPa (g). Reactant hydrocarbons may be normally gaseous at alkylation reaction temperatures. Reaction pressures in the range of from 276 kPa (g) (40 psig) to 1.1 MPa (g) (160 psig) are suitable. With all reactants in the liquid phase, increased pressure has no significant effect upon the alkylation reaction. When ionic liquid catalysts are used, the temperature is typically in the range of -20°C to the decomposition temperature of the ionic liquid, or -20°C to 100°C, for example. The pressure is typically in the range of atmospheric (0.1 MPa (g)) to 8.0 MPa (g), or 0.3 MPa (g) to 2.5 MPa (g). Contact times for hydrocarbon reactants in an alkylation reaction zone, in the presence provide for essentially complete conversion of olefin reactants in the alkylation zone. Preferably, the contact time is in the range of from 0.05 minute to 60 minutes. Appropriate reaction conditions for the specific alkylation process can be selected by those skilled in art. The liquid acid alkylation process and ionic liquid alkylation process produce a reaction mixture comprising alkylate, unreacted propylene, unreacted butene, normal butane, acid catalyst, and spent acid catalyst. When the liquid acid alkylation process is used, the spent acid catalyst is acid ASO, and when the ionic liquid process is used, the spent acid catalyst is acid spent ionic liquid. The reaction mixture is separated into alkylate stream, a propylene stream, a normal butene stream, an acid catalyst stream, and the acid ASO stream or the acid spent ionic liquid stream, In either case, an acid gas stream, and an acid liquid stream are formed. At least one of the acid ASO stream or the acid spent ionic liquid stream, the acid gas stream, and the acid liquid stream can be thermally oxidized in a thermal oxidation system. Alternatively, the acid ASO stream or the acid spent ionic liquid stream can be neutralized with caustic forming a neutralized ASO stream or a neutralized spent ionic liquid stream. In this case, at least one of the neutralized ASO stream or the neutralized spent ionic liquid stream can be thermally oxidized in the thermal oxidation system. The thermal oxidation system may comprise a thermal oxidizing section, an optional waste heat recovery section, a contaminant removal section comprising a quench section and a contaminant scrubbing section, and an optional NOx removal section. Alternatively, the thermal oxidation system may comprise a thermal oxidizing section, an optional waste heat recovery section, a contaminant removal section comprising a contaminant reaction section and a filtration section, and an optional NOx removal section. The flue gas produced in the thermal oxidation section and the compounds removed depend on the type of alkylation process used and the type of contaminant removal used. When the HF alkylation process is used, the flue gas from the thermal oxidation section consisting essentially of at least one of H 2 O, CO 2 , N 2 , O 2 , SOx, NOx, HCl, Cl 2 , HF, F 2 , Na 2 O, Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaO, CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 O, K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO. In this case, when the contaminant removal section comprises the contaminant scrubbing section, at least one of NaCl, HCl, Cl 2 , HF, F 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO are removed in a liquid stream from the flue gas following contact with caustic. When the contaminant removal section comprises the contaminant reaction section, the flue gas is reacted with at least one of NaHCO 3 , NaHCO 3 ∙Na 2 CO 3 ∙2(H 2 O), CaCO 3 and Ca(OH) 2 . The flue gas is then filtered in a filtration section to remove at least one of Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO. When the H 2 SO 4 alkylation process is used, the flue gas from the thermal oxidation section consisting essentially of at least one of H 2 O, CO 2 , N 2 , O 2 , SOx, NOx, HCl, Cl 2 , Na 2 O, Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, CaO, CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 O, K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO. In this case, when the contaminant removal section comprises the contaminant scrubbing section, at least one of NaCl, HCl, Cl 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO are removed in a liquid stream from the flue gas following contact with caustic. When the contaminant removal section comprises the contaminant reaction section, the flue gas is reacted with at least one of NaHCO 3 , NaHCO 3 ∙Na 2 CO 3 ∙2(H 2 O), CaCO 3 and Ca(OH) 2 . The flue gas is then filtered in a filtration section to remove at least one of Na 2 SO 4 , Na 2 CO 3 , NaCl, CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 4 , K 2 CO 3 , KCl, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO. In the case of ionic liquid alkylation, the flue gas from the thermal oxidation section consisting essentially of at least one of H 2 O, CO 2 , N 2 , O 2 , SOx, NOx, HCl, Cl 2 , HF, F 2 , Na 2 O, Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaO, CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 O, K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO. In this case, when the contaminant removal section comprises the contaminant scrubbing section, at least one of H 2 O, NaCl, HCl, Cl 2 , HF, F 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO are removed in a liquid stream from the flue gas following contact with caustic. When the contaminant removal section comprises the contaminant reaction section, the flue gas is reacted with at least one of NaHCO 3 , NaHCO 3 ∙Na 2 CO 3 ∙2(H 2 O), CaCO 3 and Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO. If the flue gas comprises NOx, there will be a NOx removal section. Fig.1 illustrates one embodiment of a prior art alkylation process 100. A C 3-4 stream 105 comprising propylene and butene and an isobutane stream 110 comprising isobutane are sent to a liquid acid alkylation process section 115. The C 3-4 stream 105 can be a treated stream from a fluid catalytic cracking (FCC) reactor or a treated stream from a coker reactor. The liquid acid alkylation process section 115 contains a liquid acid catalyst. The liquid acid alkylation process section 115 can be an HF alkylation process section using HF as the liquid acid catalyst, an H 2 SO 4 alkylation process section as the liquid acid catalyst, or an ionic liquid alkylation process section as the liquid acid catalyst. HF alkylation, H 2 SO 4 alkylation, and an ionic liquid alkylation processes are well-known in the art. The liquid acid alkylation reaction of the C 3-4 stream 105 and isobutane stream 110 produces alkylate. Alkylate stream 120 comprising alkylate, an unreacted propylene stream 125, and an unreacted normal butene stream 130 exit the liquid acid alkylation process section 115. The unreacted propylene stream 125 and the unreacted normal butene stream 130 can be recycled to the liquid acid alkylation process section115. The alkylate stream 120 can be recovered. The alkylation reaction forms acid ASO for HF and H 2 SO 4 alkylation or acid spent ionic liquid for ionic liquid alkylation as a byproduct of the alkylation reaction. When too much ASO or acid spent ionic liquid is present, the liquid acid catalyst loses its effectiveness. The acid ASO stream 135 or acid spent ionic liquid stream 140 is removed from the liquid acid alkylation process section 115 for treatment. The acid ASO stream 135 or acid spent ionic liquid stream 140 is sent to a caustic wash zone 145. Caustic stream 150, such as NaOH, or KOH, is contacted with the acid ASO stream 135 or acid spent ionic liquid stream 140 to neutralize the acid. The neutralized ASO stream 155 can be used, i.e., as fuel oil, fuel for the isostripper fired heater reboiler, or feed to a fluid catalytic cracking (FCC) reactor. Neutralized spent ionic liquid stream 160 can be sent to a coker reactor, or to a landfill or other offsite waste disposal facility. There can be an acid gas stream 170 exiting the liquid acid alkylation process section 115. The acid gas stream 170 can comprise gas streams including, but not limited to, a vent (CBM) neutralizer, KOH regenerator, isostripper overhead knockout drum, relief gas scrubber, or combinations thereof. The acid gas stream 170 is sent to an acid gas scrubbing zone 175. A caustic stream 180 is introduced into the acid gas scrubbing zone 175 to neutralize the acid gas stream 170. The sweet gas stream 185 can be burned. The spent caustic stream 187 can be treated by treated by neutralization, wet air oxidation, or thermal oxidation. There can also be an acid liquid stream 190 from an acid gas knockout drum, or an acid sewer system exiting the liquid acid alkylation process section 115. The acid liquid stream 190 may contain HF, H 2 SO 4 , or ionic liquid. The acid liquid stream 190 can be sent to a neutralization basin 195, where it is neutralized with a caustic stream 197. The neutralized liquid stream 200 can be sent to a waste water treatment facility. Fig.2 illustrates one embodiment of an alkylation process 300 according to the present invention. A C 3-4 stream 305 comprising propylene and butene and an isobutane stream 310 comprising isobutane are sent to a liquid acid alkylation process section 315. The liquid acid alkylation process section 315 contains a liquid acid catalyst. The liquid acid alkylation process section 315 can be an HF alkylation process section, an H 2 SO 4 alkylation process section, or an ionic liquid alkylation process section, as discussed above. The liquid acid alkylation reaction of the C 3-4 stream 305 and isobutane stream 310 produces alkylate. Alkylate stream 320 comprising alkylate, an unreacted propylene stream 325, and an unreacted normal butene stream 330 exit the liquid acid alkylation process section 315. The unreacted propylene stream 325 and the unreacted normal butene stream 330 can be recycled to the liquid acid alkylation process section 315. The alkylate stream 120 can be recovered. The acid ASO stream 335 or acid spent ionic liquid stream 340 may be sent directly to the thermal oxidation system 345. Alternatively, acid ASO stream 335 or acid spent ionic liquid stream 340 may be sent to a caustic wash zone 350. Caustic stream 355, is contacted with the acid ASO stream 335 or acid spent ionic liquid stream 340 to neutralize the acid. The neutralized ASO stream 360 or neutralized spent ionic liquid stream 365 can be sent to thermal oxidation system 345. The acid gas stream 375 can be sent directly to the thermal oxidation system 345. Alternatively, the acid gas stream 375 could be sent to an acid gas scrubbing zone 370. This might be needed with HF alkylation because the high vapor pressure of HF (Reid vapor pressure 783 mm Hg at 20°C) would lead to an unacceptably high HF content in the acid gas stream 375 in emergency situations. This would not be the case with ionic liquid alkylation and H 2 SO 4 due to the low vapor pressure of ionic liquids (Reid vapor pressure less than 5.2 mm Hg at 20°C) and H 2 SO 4 (Reid vapor pressure 0.001 mm Hg at 20°C) relative to HF. A caustic stream 372 is introduced into the acid gas scrubbing zone 370 to neutralize the acid gas stream 375. The sweet gas stream 374 can be burned. The spent caustic stream 376 can be treated by treated by neutralization, wet air oxidation, or thermal oxidation. The acid liquid stream 380 can be sent directly to the thermal oxidation system 345. Alternatively, the acid liquid stream 380 could be sent to a neutralization basin 381, where it is neutralized with a caustic stream 382. The neutralized liquid stream 383 can be sent to a waste water treatment facility. In some embodiments, there could be an acid spent ionic liquid surge tank 385 between the liquid acid alkylation process section 315 and the thermal oxidation system 345 to provide a controlled amount of acid spent ionic liquid to the thermal oxidation system 345. Alternatively or in addition, there could be an acid ASO surge tank 386 between the liquid acid alkylation process section 315 and the thermal oxidation system 345. Alternatively or in addition, there could be a neutralized spent ionic liquid surge tank 390 between the caustic wash zone 350 and the thermal oxidation system 345 to provide a controlled amount of neutralized spent ionic liquid to the thermal oxidation system 345. Alternatively or in addition, there could be a neutralized ASO surge tank 387 between the caustic wash zone 350 and the thermal oxidation system 345 to provide a controlled amount of neutralized ASO to the thermal oxidation system 345. Alternatively or in addition, there could be a spent caustic surge tank 378 between the acid gas scrubbing zone 370 and the thermal oxidation system 345 to provide a controlled amount of spent caustic to the thermal oxidation system 345. One embodiment of a thermal oxidation system 345 is illustrated in Fig.3. The thermal oxidation system 345 comprises a thermal oxidizing section 400, an optional waste heat recovery section 405, a quench section 410, a contaminant scrubbing section 415, and an optional NOx removal section 420. At least one of the acid ASO stream 335, the acid spent ionic liquid stream 340, the neutralized ASO stream 360, the neutralized spent ionic liquid stream 365, the spent caustic stream 376 the acid gas stream 375 and the acid liquid stream 380 along with a combustion air stream 425, make-up natural gas or fuel gas stream 430 (as needed), and quench stream 435 (as needed) are introduced into the thermal oxidizing section 400. The inlet temperature of the thermal oxidizing section 400 is typically in the range of -30-500°C with a pressure of -1 kPa(g) to 3000 kPa(g). The outlet temperature is typically in the range of 650-1300°C with a pressure of -1 kPa(g) to 50 kPa(g). The residence time in the thermal oxidizing section 400 is between 0.5 and 2 seconds. The thermal oxidizing section 400 can be forced draft, induced draft, or a combination of both. An optional selective non-catalytic reduction (SNCR) section may be present in some cases. The inlet temperature of the SNCR section is typically in the range of 650-1300°Cwith a pressure of -1 kPa(g) to 50 kPa(g). The outlet temperature is typically in the range of 650-1040°C with a pressure of -1 kPa(g) to 50 kPa(g). The residence time in the SNCR section is between 0.2 and 1 seconds. The thermal oxidation step would be separated from the SNCR step via a choke wall in the vessel. The hydrocarbons are converted to H 2 O and CO 2 . The sulfides from the sulfur species (e.g., H 2 S) present in feed are converted to oxidized sulfur particulate SOx including, but not limited to, SO 2 and SO 3 , and H 2 O. The nitrogen from the nitrogen bound molecules (e.g. NH 3 ) present in the feed are converted to Nitrogen (N 2 ) and NOx, including but not limited to NO, NO 2 . The HCl and Cl 2 (if any) remain. Any metals in the streams will be oxidized, including, but not limited to, NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO. The metal component in the ionic liquid will be oxidized. For example, butyl pyridinium heptachloroaluminate will be oxidized to a mixture of CO 2 , H 2 O, N 2 , NOx, HCl, Cl 2 , and Al 2 O 3 . The flue gas stream 440 from the thermal oxidizing section 400 consists essentially of at least one of H 2 O, CO 2 , N 2 , O 2 , SOx, NOx, HCl, Cl 2 , HF, F 2 , Na 2 O, Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaO, CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 O, K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO. “Consisting essentially of” means that one of more of the gases or vapors are present and there are no other gases or vapors present which require treatment before being released to the atmosphere, The flue gas stream 440 is sent to the optional waste heat recovery section 405. The inlet temperature of the optional waste heat recovery section 405 is typically in the range of 650-1300°C with a pressure of -2 kPa(g) to 50 kPa(g). The outlet temperature is typically in the range of 200-400°C with a pressure of -2 kPa(g) to 50 kPa(g). Suitable waste heat recovery apparatus and methods include, but are not limited to, a waste heat recovery boiler, including, but not limited to, a recovery section 405 where a portion is converted to steam or hot oil stream 450, with the remainder exiting as blowdown water or oil stream 455. In some cases, the steam can be converted to electricity, for example using a steam turbine, if desired. The recovered waste heat in steam or hot oil stream 450 can be in the form of low (e.g., less than 350 kPa(g)), medium (e.g., 350 kPa(g) to 1750kPa(g)), or high (e.g., greater than 1750 kPa(g)) pressure saturated or superheated steam, hot oil, and/or electricity. The recovered heat can be used to provide heat to at least one pieces of equipment or process streams in the alkylation complex or to other parts of the plant. For example, the recovered waste heat in steam or hot oil stream 450 can be used in reboilers for a variety of columns, such as an isostripper column, a depropanizer column, an HCL stripper column, a rerun column, and an HF stripper column or other areas of the plant, or for other heat requirements. The flue gas stream 460 from the optional waste heat recovery section 405 flows to the quench section 410 where the temperature of the flue gas is reduced to the saturation temperature using quench stream 465. The inlet temperature of the quench section 410 is typically in the range of 200-400°C with a pressure of -3 kPa(g) to 50 kPa(g). The inlet temperature could be up to 1300°C if no waste heat reboiler is present. The outlet temperature is typically in the range of 45-150°C with a pressure of -3 kPa(g) to 50 kPa(g). Quench stream 465 includes, but is not limited to, water, air, recycle flue gas, or combinations thereof. The quenched flue gas stream 470 from the quench section 410 is sent to the contaminant scrubbing section 415 for removal of at least one of the SOx, HCl, Cl 2 , HF, F 2 , Na 2 O, Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaO, CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 O, K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , Al 2 O 3 , and CuO. The inlet temperature of the contaminant scrubbing section 415 is typically in the range of 45-150°C with a pressure of -4 kPa(g) to 50 kPa(g). The outlet temperature is typically in the range of 45-150°C with a pressure of -4 kPa(g) to 50 kPa(g). For example, in the contaminant scrubbing section 415, a caustic stream 475 comprising aqueous NaOH is introduced into the scrubbing section where it reacts with the at least one of compounds in the flue gas. An aqueous stream 480 containing at least one of H 2 O, NaCl, HCl, Cl 2 , HF, F 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO exits the scrubbing section. If desired, a reducing agent such as NaHSO 3 or H 2 O 2 , can be included to react with the Cl 2 to form HCl which reacts to form The contaminant outlet flue gas stream 485 from the contaminant scrubbing section 415 has a reduced level of at least one of H 2 O, NaCl, HCl, Cl 2 , HF, F 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO compared to the incoming quenched flue gas stream 470. The contaminant outlet flue gas stream 485 comprises at least one of H 2 O, CO 2 , N 2 , O 2 , and NOx. If NOx is present in the contaminant outlet flue gas stream 485, the contaminant outlet flue gas stream 485 is sent to the optional NOx removal section 420 to remove NOx. The inlet temperature of the NOx removal section 420 is typically in the range of 150-300°C with a pressure of -5 kPa(g) to 50 kPa(g). The outlet temperature is typically in the range of 200- 350°C with a pressure of -5 kPa(g) to 50 kPa(g). The contaminant outlet flue gas stream 485 may need to be heated to obtain the desired inlet temperature for the NOx removal section 420. For example, the NOx removal section 420 can be a selective catalytic reduction (SCR) section in which an ammonia and/or urea stream 490 are introduced into the SCR section where it reacts with the NOx and forms N 2 and H 2 O. Any suitable SCR catalyst could be used, including but not limited to, ceramic carrier materials such as titanium oxide with active catalytic components such as oxides of base metals including TiO 2 , WO 3 and V 2 O 5 , or an activated carbon based catalyst. The de-NOx outlet flue gas stream 495 comprises at least one of H 2 O, CO 2 , N 2 , and O 2 . If the contaminant outlet flue gas stream 485 does not contain NOx, the optional NOx removal section 420 is not present. The contaminant outlet flue gas stream 500, consisting essentially of at least one of H 2 O, CO 2 , N 2 , and O 2 , can be vented to the atmosphere. Another embodiment of the thermal oxidation system 345’ is illustrated in Fig.4. The thermal oxidation system 345’ comprises a thermal oxidizing section 550, an optional waste heat recovery section 555, a contaminant removal section 560, a filtration section 565, and an optional NOx removal section 570. At least one of the acid ASO stream 335, the acid spent ionic liquid stream 340, the neutralized ASO stream 360, the neutralized spent ionic liquid stream 365, the spent caustic stream 376, the acid gas stream 375, and the acid liquid stream 380, along with a combustion air stream 575, make-up natural gas or fuel gas stream 580 (as needed), and quench stream 585 (as needed) are introduced into the thermal oxidizing section 550, as described above. The inlet temperature of the thermal oxidizing section 550 is typically in the range of - 30-500°C with a pressure of -1 kPa(g) to 3000 kPa(g). The outlet temperature is typically in the range of 650-1300°C with a pressure of -1 kPa(g) to 50 kPa(g). The residence time in the thermal oxidizing section 550 is between 0.5 and 2 seconds. Any suitable thermal oxidizing section 550 could be used. The thermal oxidizing section 550 can be forced draft, induced draft, or a combination of both. The inlet temperature of the optional SNCR section is typically in the range of 650-1300°Cwith a pressure of -1 kPa(g) to 50 kPa(g). The outlet temperature is typically in the range of 650-1040°C with a pressure of -1 kPa(g) to 50 kPa(g). The residence time in the SNCR section is between 0.2 and 1 seconds. The thermal oxidation step would be separated from the SNCR step via a choke wall in the vessel. The flue gas stream 590 from the thermal oxidizing section 550 comprises at least one of H 2 O, CO 2 , N 2 , O 2 , SOx, NOx, HCl, Cl 2 , HF, F 2 , Na 2 O, Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaO, CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 O, K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO. The flue gas stream 590 is sent to the optional waste heat recovery section 555. Boiler feed water or oil stream 595 enters the optional waste heat recovery section 555 where a portion is converted to steam or hot oil stream 600, with the remainder exiting as blowdown water or oil 605. The inlet temperature of the optional waste heat recovery section 555 is typically in the range of 650-1300°C with a pressure of -2 kPa(g) to 50 kPa(g). The outlet temperature is typically in the range of 200-400°C with a pressure of -2 kPa(g) to 50 kPa(g). Suitable waste heat recovery apparatus and methods are described above. The recovered waste heat in steam or hot oil stream 600 can be in the form of low, medium, or high pressure saturated or superheated steam, hot oil, and/or electricity. The recovered waste heat in steam or hot oil stream 600 can be used in reboilers for a variety of columns such as an isostripper, column, a depropanizer column, an HCL stripper column, a rerun column, and an HF stripper column, or elsewhere in the plant, or for other heat requirements. The flue gas stream 610 from the optional waste heat recovery section 555 is sent to the contaminant removal section 560 to convert at least one of compounds in the flue gas stream 610. The inlet temperature of the contaminant removal section 560 is typically in the range of 200-400°C with a pressure of -3 kPa(g) to 50 kPa(g). The outlet temperature is typically in the range of 200-400°C with a pressure of -3 kPa(g) to 50 kPa(g). Fresh sorbent 615 and optionally K 2 CO 3 , K 2 SO 4 , KCl, KF, CaCO 3 , CaSO 4 , CaF 2 , CaCl 2 , NiO, FeO, FeO 2 , FeO 2 , Fe 2 O 3 , Fe 3 O 4 , CuO, depending on the compounds used in the reactant used, as discussed below) can be added to the flue gas stream 610. For example, the contaminant removal section 560 may contain a reactant, such as at least one of NaHCO 3 , NaHCO 3 ∙Na 2 CO 3 ∙2(H 2 O), CaCO 3 and Ca(OH) 2 . The reactant reacts with at least one of the SOx, HCl, Cl 2 , HF, F 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO in the incoming flue gas stream 610. The reaction section flue gas stream 625 has a less of at least one of compounds compared to the incoming flue gas stream 610. The reaction section flue gas stream 625 consists essentially of at least one H 2 O, CO 2 , N 2 , O 2 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO. The reaction section flue gas stream 625 is combined with a quench stream 630 comprising air, and/or water, and/or quenched flue gas. The temperature of the reaction section flue gas stream 625 is typically reduced from 200-400°C with a pressure of -4 kPa(g) to 50 kPa(g) to 150-250°C with a pressure of -4 kPa(g) to 50 kPa(g). The quenched reaction section flue gas stream 625 is sent to the filtration section 565 for removal of at least one of Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO. The inlet temperature of the filtration section 565 is typically in the range of 150-350°C with a pressure of -5 kPa(g) to 50 kPa(g). The outlet temperature is typically in the range of 150-350°C with a pressure of -5 kPa(g) to 50 kPa(g). The filtration section 565 comprises a bag filter, and/or a ceramic filter, and/or an electrostatic precipitator. An instrument air purge or high voltage DC 635 is introduced into the filtration section 565. In the case of the instrument air purge, it purges the retained material from the filter. In the case of the high voltage stream, it charges the cathodes of the ESP. The particulate is removed from the ESP by vibration. Dry residue stream 640 comprising at least one of Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO exits the filtration section 565. The filtered flue gas stream 645 comprises at least one of H 2 O, CO 2 , N 2 , O 2 , and NOx. If NOx is present in the filtered flue gas stream 645, the filtered flue gas stream 645 is sent to the optional NOx removal section 570 to remove NOx as discussed above. The inlet temperature of the NOx removal section 570 is typically in the range of 150-300°C with a 350°C with a pressure of -6 kPa(g) to 50 kPa(g). For example, the NOx removal section 570 can be a selective catalytic reduction (SCR) section in which an ammonia and/or urea stream 650 are introduced into the SCR section where it reacts with the NOx and forms N 2 and H 2 O. Any suitable SCR catalyst could be used, including but not limited to, ceramic carrier materials such as titanium oxide with active catalytic components such as oxides of base metals including TiO 2 , WO 3 and V 2 O 5 ,, or an activated carbon based catalyst. The de-NOx outlet flue gas stream 655 consists essentially of at least one of H 2 O, CO 2 , N 2 , and O 2 . If the filtered flue gas stream 645 does not contain NOx, the optional NOx removal section 570 is not present. The filtered flue gas stream 660, consisting essentially of at least one of H 2 O, CO 2 , N 2 , and O 2 , can be vented to the atmosphere. Any of the above lines, conduits, units, devices, vessels, surrounding environments, zones or similar may be equipped with at least one monitoring components including sensors, measurement devices, data capture devices or data transmission devices. Signals, process or status measurements, and data from monitoring components may be used to monitor conditions in, around, and on process equipment. Signals, measurements, and/or data generated or recorded by monitoring components may be collected, processed, and/or transmitted through at least one networks or connections that may be private or public, general or specific, direct or indirect, wired or wireless, encrypted or not encrypted, and/or combination(s) thereof; the specification is not intended to be limiting in this respect. Signals, measurements, and/or data generated or recorded by monitoring components may be transmitted to at least one computing devices or systems. Computing devices or systems may include at least one processor and memory storing computer-readable instructions that, when executed by the at least one processor, cause the at least one computing devices to perform a process that may include at least one steps. For example, the at least one computing devices may be configured to receive, from at least one monitoring component, data related to at least one piece of equipment associated with the process. The at least one computing devices or systems may be configured to analyze the data. Based on analyzing the data, the at least one computing devices or systems may be configured to determine at least one recommended adjustments to at least one parameters of at least one processes described herein. The at least one computing devices or systems may be configured to transmit encrypted or unencrypted data that includes the at least one recommended adjustments to the at least one parameters of It should be appreciated and understood by those of ordinary skill in the art that various other components such as valves, pumps, filters, coolers, etc., were not shown in the drawings as it is believed that the specifics of same are well within the knowledge of those of ordinary skill in the art and a description of same is not necessary for practicing or understanding the embodiments of the present invention. While at least one exemplary embodiment has been presented in the foregoing detailed description of the invention, it should be appreciated that a vast number of variations exist. It should also be appreciated that the exemplary embodiment or exemplary embodiments are only examples, and are not intended to limit the scope, applicability, or configuration of the invention in any way. Rather, the foregoing detailed description will provide those skilled in the art with a convenient road map for implementing an exemplary embodiment of the invention, it being understood that various changes may be made in the function and arrangement of elements described in an exemplary embodiment without departing from the scope of the invention as set forth in the appended claims and their legal equivalents. As used herein, the terms “unit,” “zone,” and “section” can refer to an area including one or more equipment items as appropriate for the type of unit, zone, or section and/or one or more sub-zones or sub-sections. Equipment items can include, but are not limited to, one or more reactors or reactor vessels, separation vessels, adsorbent chamber or chambers, distillation towers, heaters, exchangers, pipes, pumps, compressors, and controllers. Additionally, an equipment item, such as a reactor, dryer, adsorbent chamber or vessel, can further include one or more sections, sub-sections, zones, or sub-zones . SPECIFIC EMBODIMENTS While the following is described in conjunction with specific embodiments, it will be understood that this description is intended to illustrate and not limit the scope of the preceding description and the appended claims. A first embodiment of the invention is a process for treating off-gas and waste effluent streams in an alkylation complex comprising thermally oxidizing at least one of an acid soluble oil (acid ASO) stream from a liquid acid alkylation process section, an acid gas stream from the liquid acid alkylation process section, an acid liquid stream from the liquid acid alkylation process section, a neutralized ASO stream from a caustic wash zone, and a spent caustic stream process section, an acid gas stream from the ionic liquid alkylation process section, an acid liquid stream from the ionic liquid alkylation process section, a neutralized spent ionic liquid from an ionic liquid caustic wash zone, and a spent caustic stream from an acid gas scrubber zone; in a thermal oxidation system, comprising; thermally oxidizing the at least one of the acid ASO stream from the liquid acid alkylation process section, the acid gas stream from the liquid acid alkylation process section, the acid liquid stream from the liquid acid alkylation process section, the acid spent ionic liquid from the ionic liquid alkylation process section, the acid gas stream from the ionic liquid alkylation process section, the neutralized ASO stream from the caustic wash zone, and the spent caustic stream from the acid gas scrubber zone; or the acid liquid stream from the ionic liquid alkylation process section, the neutralized spent ionic liquid from the ionic liquid caustic wash zone, and the spent caustic stream from the acid gas scrubber zone, in a thermal oxidizing section forming flue gas consisting essentially of at least one of H 2 O, CO 2 , N 2 , O 2 , SOx, NOx, HCl, Cl 2 , HF, F 2 , Na 2 O, Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaO, CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 O, K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO; optionally recovering waste heat from the flue gas in a waste heat recovery section; removing at least one of SOx, HCl, Cl 2 , HF, F 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO from the flue gas in a contaminant removal section to form a decontaminated outlet flue gas consisting essentially of at least one of H 2 O, CO 2 , N 2 , O 2 , and NOx, wherein removing the at least one of SOx, HCl, Cl 2 , HF, F 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO from the flue gas comprises quenching the flue gas in a quench section to form quenched flue gas after recovering the waste heat; and contacting a caustic solution with the quenched flue gas in a contaminant scrubbing section to form the decontaminated outlet flue gas and a liquid stream comprising at least one of H 2 O, NaCl, HCl, Cl 2 , HF, F 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO; or reacting the flue gas with a reactant in a contaminant reaction section to form a reaction section flue gas consisting essentially of at least one of H 2 O, CO 2 , N 2 , O 2 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO wherein the reactant comprises at least one of flue gas in a filtration section to remove at least one of Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO to form the decontaminated outlet flue gas; and optionally removing NOx from the decontaminated outlet flue gas in an NOx removal section to form a de-NOx outlet flue gas consisting essentially of at least one of H 2 O, CO 2 , N 2 , and O 2 . An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the first embodiment in this paragraph wherein the liquid acid alkylation process section comprises an HF alkylation process section or an H 2 SO 4 alkylation process section. An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the first embodiment in this paragraph wherein the liquid acid alkylation process section comprises an HF alkylation process section, further comprising alkylating a C 3-4 olefin stream comprising propylene and butene and an isobutane stream comprising isobutane in the HF alkylation process section in the presence of an acid catalyst comprising HF to produce a reaction mixture comprising alkylate, unreacted propylene, unreacted normal butene, HF catalyst, and spent HF catalyst; separating the reaction mixture into an alkylate stream, an HF catalyst stream, the acid ASO stream comprising spent HF catalyst, the acid gas stream, the acid liquid stream, and a stream comprising at least one of the unreacted propylene and the unreacted normal butene; thermally oxidizing at least one of the acid ASO stream, the acid gas stream, and the acid liquid stream. An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the first embodiment in this paragraph further comprising neutralizing at least one of the acid ASO stream, the acid gas stream, the acid liquid stream with caustic forming at least one of the neutralized ASO stream, a neutralized gas stream, a neutralized liquid stream, and a spent caustic stream; thermally oxidizing at least one of the neutralized ASO stream, the neutralized gas stream, the neutralized liquid stream, and the spent caustic stream. An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the first embodiment in this paragraph further comprising introducing at least one of the neutralized ASO stream into a neutralized ASO surge tank before thermally oxidizing the neutralized ASO stream and introducing the neutralized liquid stream into a neutralized liquid surge tank before thermally oxidizing the neutralized liquid stream. An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the first embodiment in this paragraph further comprising introducing at least one of the acid ASO introducing the acid liquid stream into an acid liquid surge tank before thermally oxidizing the acid liquid stream. An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the first embodiment in this paragraph wherein the alkylation process section comprises an H 2 SO 4 alkylation process section, further comprising alkylating a C 3-4 olefin stream comprising propylene and butene and an isobutane stream comprising isobutane in the H 2 SO 4 alkylation process section in the presence of an acid catalyst comprising H 2 SO 4 to produce a reaction mixture comprising alkylate, unreacted propylene, unreacted normal butene, H 2 SO 4 catalyst, and spent H 2 SO 4 catalyst; separating the reaction mixture into an alkylate stream, an H 2 SO 4 catalyst stream, the acid ASO stream comprising spent H 2 SO 4 catalyst, the acid gas stream, the acid liquid stream, and a stream comprising at least one of the unreacted propylene and the unreacted normal butene; thermally oxidizing at least one of the acid ASO stream, the acid gas stream, and the acid liquid stream. An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the first embodiment in this paragraph further comprising neutralizing at least one of the acid ASO stream, the acid gas stream, the acid liquid stream with caustic forming at least one of the neutralized ASO stream, the neutralized gas stream, the neutralized liquid stream, and a spent caustic stream; thermally oxidizing at least one of the neutralized ASO stream, the neutralized gas stream, the neutralized liquid stream, and the spent caustic stream. An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the first embodiment in this paragraph further comprising introducing at least one of the neutralized ASO stream into a neutralized ASO surge tank before thermally oxidizing the neutralized ASO stream and introducing the neutralized liquid stream into a neutralized liquid surge tank before thermally oxidizing the neutralized liquid stream. An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the first embodiment in this paragraph further comprising introducing at least one the acid ASO stream into an acid ASO surge tank before thermally oxidizing the acid ASO stream, and introducing the acid liquid stream into an acid liquid surge tank before thermally oxidizing the acid liquid stream. An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the first embodiment in this paragraph wherein the ionic liquid alkylation process section is present, further comprising alkylating a C 3-4 olefin stream comprising propylene and butene and an isobutene stream comprising isobutane in the ionic liquid alkylation process section in the comprising alkylate, unreacted propylene, unreacted normal butene, ionic liquid catalyst, and spent ionic liquid catalyst; separating the reaction mixture into an alkylate stream, an ionic liquid catalyst stream, the acid spent ionic liquid stream comprising spent ionic liquid catalyst, the acid gas stream, the acid liquid stream, and a stream comprising at least one of the unreacted propylene and the unreacted normal butene; thermally oxidizing at least one of the acid spent ionic liquid stream, the acid gas stream, and the acid liquid stream. An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the first embodiment in this paragraph further comprising neutralizing at least one of the acid spent ionic liquid stream, the acid gas stream, and the acid liquid stream with caustic forming at least one of the neutralized spent ionic liquid stream, a neutralized gas stream, a neutralized liquid stream, and a spent caustic stream; thermally oxidizing at least one of the neutralized spent ionic liquid stream, the neutralized gas stream, the neutralized liquid stream, and the spent caustic stream. An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the first embodiment in this paragraph further comprising introducing at least one of the neutralized spent ionic liquid stream into an neutralized ionic liquid surge tank before thermally oxidizing the neutralized spent ionic liquid stream, and introducing the neutralized liquid stream into a neutralized liquid surge tank or both before thermally oxidizing the neutralized liquid stream. An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the first embodiment in this paragraph further comprising introducing at least one of the acid spent ionic liquid stream into an acid spent ionic liquid surge tank before thermally oxidizing the acid spent ionic liquid, and introducing the acid liquid stream to an acid liquid surge tank before thermally oxidizing the acid liquid stream. An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the first embodiment in this paragraph wherein the ionic liquid comprises a chloroaluminate ionic liquid. A second embodiment of the invention is a process for treating off-gas and waste effluent streams in an alkylation complex comprising alkylating a C 3-4 olefin stream comprising propylene and butene and an isobutane stream comprising isobutene in an liquid acid alkylation process section or an ionic liquid alkylation process section in the presence of an acid catalyst to produce a reaction mixture comprising alkylate, unreacted propylene, unreacted normal butene, acid catalyst, and spent acid catalyst, wherein the acid catalyst comprises HF, H 2 SO 4 , acid ASO stream, an acid gas stream from the liquid acid alkylation process section, an acid liquid stream from the liquid and an acid alkylation process section; or an acid spent ionic liquid from an ionic liquid alkylation process section, an acid gas stream from the ionic liquid alkylation process section, an acid liquid stream from the ionic liquid alkylation process section, and a stream comprising at least one of the unreacted propylene and the unreacted normal butene; thermally oxidizing at least one of the acid ASO stream, the acid gas stream from the liquid acid alkylation process section, the acid liquid stream from the liquid acid alkylation process section, a neutralized ASO stream from a caustic wash zone, and a spent caustic stream from an acid gas scrubber zone; or the acid spent ionic liquid from an ionic liquid alkylation process section, the acid gas stream from the ionic liquid alkylation process section, the acid liquid stream from the ionic liquid alkylation process section, a neutralized spent ionic liquid from an ionic liquid caustic wash zone, and a spent caustic stream from an acid gas scrubber zone; in a thermal oxidation system, comprising; thermally oxidizing the at least one of the acid ASO stream from the liquid acid alkylation process section, the acid gas stream from the liquid acid alkylation process section, the acid liquid stream from the liquid acid alkylation process section, the acid spent ionic liquid from the ionic liquid alkylation process section, the acid gas stream from the ionic liquid alkylation process section, the neutralized ASO stream from the caustic wash zone, and the spent caustic stream from the acid gas scrubber zone; or the acid liquid stream from the ionic liquid alkylation process section, the neutralized spent ionic liquid from the ionic liquid caustic wash zone, and the spent caustic stream from the acid gas scrubber zone, in a thermal oxidizing section forming flue gas consisting essentially of at least one of H 2 O, CO 2 , N 2 , O 2 , SOx, NOx, HCl, Cl 2 , HF, F 2 , Na 2 O, Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaO, CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 O, K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO; optionally recovering waste heat from the flue gas in a waste heat recovery section; removing at least one of SOx, HCl, Cl 2 , HF, F 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO from the flue gas in a contaminant removal section to form a decontaminated outlet flue gas consisting essentially of at least one of H 2 O, CO 2 , N 2 , O 2 , and NOx, wherein removing the at least one of SOx, HCl, Cl 2 , HF, F 2 , Na 2 SO 3 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , quenched flue gas after recovering the waste heat; and contacting a caustic solution with the quenched flue gas in a contaminant scrubbing section to form the decontaminated outlet flue gas and a liquid stream comprising at least one of H 2 O, NaCl, HCl, Cl 2 , HF, F 2 , Na 2 SO3, Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 3 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 3 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO; or reacting the flue gas with a reactant in a contaminant reaction section to form a reaction section flue gas consisting essentially of at least one of H 2 O, CO 2 , N 2 , O 2 , Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO wherein the reactant comprises at least one of NaHCO 3 , NaHCO 3 ∙Na 2 CO 3 ∙2(H 2 O), CaCO 3 and Ca(OH) 2 ; and filtering the reaction section flue gas in a filtration section to remove Na 2 SO 4 , Na 2 CO 3 , NaCl, NaF, CaF 2 , CaSO 4 , CaCO 3 , CaCl 2 , K 2 SO 4 , K 2 CO 3 , KCl, KF, Al 2 O 3 , NiO, FeO, FeO 2 , Fe 2 O 3 , Fe 3 O 4 , and CuO to form the decontaminated outlet flue gas; and optionally removing NOx from the decontaminated outlet flue gas in an NOx removal section to form a de-NOx outlet flue gas consisting essentially of at least one of H 2 O, CO 2 , N 2 , and O 2 . An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the second embodiment in this paragraph further comprising neutralizing at least one of the acid ASO stream, the acid gas stream from the liquid acid alkylation process section, the acid liquid stream from the liquid acid alkylation process section, the acid spent ionic liquid stream, the acid gas stream from the ionic liquid alkylation process section, the acid liquid stream from the ionic liquid alkylation process section with caustic forming the neutralized ASO stream, a neutralized gas stream from the liquid acid alkylation process section, a neutralized liquid stream from the liquid acid alkylation process section, the neutralized spent ionic liquid stream, a neutralized gas stream from the ionic liquid alkylation process section, a neutralized liquid stream from the ionic liquid alkylation process section, and the spent caustic stream; thermally oxidizing at least one of the neutralized ASO stream, the neutralized liquid stream from the liquid acid alkylation process section the neutralized spent ionic liquid stream, the neutralized liquid stream from the ionic gas alkylation process section, the neutralized liquid stream from the ionic liquid alkylation process section, and the spent caustic stream. An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the second embodiment in this paragraph further comprising introducing at least one of the neutralized ASO stream into a neutralized ASO surge tank before thermally oxidizing process section into a neutralized liquid surge tank before thermally oxidizing the neutralized liquid stream, the neutralized spent ionic liquid stream into a neutralized spent ionic liquid surge tank before thermally oxidizing the neutralized spent ionic liquid stream, the neutralized liquid stream from the ionic gas alkylation process section into a neutralized liquid surge tank before thermally oxidizing the neutralized liquid stream, and the spent caustic stream into a spent caustic surge tank before thermally oxidizing the spent caustic stream. An embodiment of the invention is one, any or all of prior embodiments in this paragraph up through the second embodiment in this paragraph wherein the ionic liquid comprises a chloroaluminate ionic liquid. Without further elaboration, it is believed that using the preceding description that one skilled in the art can utilize the present invention to its fullest extent and easily ascertain the essential characteristics of this invention, without departing from the spirit and scope thereof, to make various changes and modifications of the invention and to adapt it to various usages and conditions. The preceding preferred specific embodiments are, therefore, to be construed as merely illustrative, and not limiting the remainder of the disclosure in any way whatsoever, and that it is intended to cover various modifications and equivalent arrangements included within the scope of the appended claims. In the foregoing, all temperatures are set forth in degrees Celsius and, all parts and percentages are by weight, unless otherwise indicated.