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WO/2024/108672A1 |
Provided are an α-olefin extractant and a method for separating alkanes and α-olefins. The α-olefin extractant comprises an alcohol amine, a saturated monoketone with a carbon chain length of 7-10 and a monovalent salt of a group IB m...
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WO/2024/112892A1 |
A process and apparatus integrate recovery of propylene from a pyrolysis reactor and a paraffin dehydrogenation reactor. The improved process for recovering light olefins utilizes heats of compression to heat reboil streams.
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WO/2024/112891A1 |
A process and apparatus cool a pyrolyzed stream and a dehydrogenated stream in respective cold boxes by use of a refrigerant compressed with a common compressor. The refrigerant is compressed and used to cool a pyrolysis cold box and a d...
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WO/2024/112886A1 |
A process and apparatus integrate recovery of propylene from a pyrolysis reactor and a paraffin dehydrogenation reactor. A common depropanizer fractionates propane feed and pyrolysis reactor effluent to provide a C3 stream. A dividing wa...
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WO/2024/112889A1 |
A process and apparatus integrate recovery of propylene from a pyrolysis reactor and a paraffin dehydrogenation reactor. A common C3 splitter column fractionates propylene product from propane recycle to a paraffin dehydrogenation reacto...
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WO/2024/111999A1 |
The present invention provides a method for recovering a conjugated diene-based monomer, the method comprising the steps of: supplying a feed stream containing a conjugated diene-based monomer to a condensation part and condensing to obt...
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WO/2024/112883A1 |
A process and apparatus integrate recovery of propylene from a pyrolysis reactor and a paraffin dehydrogenation reactor. A stripping column for fractionating a dehydrogenation stream is coupled with a demethanizer column for fractionatin...
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WO/2024/107648A1 |
Processes and apparatuses for separating chlorides from a butane product stream by removing chlorides from a portion of said feed stream in a rectification section of the separation zone. The rectification section may be in a rectificati...
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WO/2024/107604A1 |
A process for making ethylene from a hydrocarbon feed requires separating the hydrocarbon feed comprising ethane, hydrogen, and/or methane and hydrocarbons with 3 or greater carbons into an ethane-rich stream comprising hydrocarbons with...
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WO/2024/106373A1 |
Provided is a method for producing a highly pure hydrocarbon in which the contained amounts of hydrogen gas, nitrogen gas, oxygen gas, boron, aluminum, phosphorus, sulfur, titanium, vanadium, chromium, and molybdenum are low. This method...
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WO/2024/106653A1 |
The present invention relates to a monomer composition for synthesizing recycled plastic, a method for preparing same, and recycled plastic and molded articles using same, the composition exhibiting excellent color quality despite having...
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WO/2024/105087A1 |
A method for separating a mixed hydrocarbon stream comprising 1-butene, 2-butene, heavier olefins comprises introducing the mixed hydrocarbon stream into the feed section of a dividing wall distillation column. The dividing wall distilla...
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WO/2024/097833A1 |
The present disclosure provides methods of purifying hydrocarbons. The methods include flowing an aqueous phase comprising water into a first end of a mixing region of a reactor along a first direction. An organic phase is mixed, via a c...
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WO/2024/089665A1 |
Systems and methods for the higher yield production of ethylene from pentane hydrocarbon streams containing iso-pentane are provided. The methods may include supplying a pentane hydrocarbon stream containing iso-pentane to a first revers...
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WO/2024/085626A1 |
The present invention relates to a method for producing olefins through the dual dehydrogenation-cracking reaction of paraffins. The method for producing olefins according to the present invention efficiently catalytically decomposes par...
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WO/2024/083781A1 |
The present invention relates to a process and a process plant for partial hydroprocessing of a feedstock comprising oxygenates, comprising the steps of directing said feedstock, an amount of make-up hydrogen and a recycle gas to a catal...
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WO/2024/083555A1 |
The invention relates to an aromatic compound conversion unit (5), comprising: - a section (1) for the pre-fractionation of at least one stream comprising A9+ compounds into at least two effluents: a first effluent (3) enriched in aromat...
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WO/2024/081354A1 |
Described are compositions and methods for inhibiting and retarding polymerization of a monomer composition, which use a naphthoquinone and a hydroxylamine. When present in a monomer-containing composition, the combination of the naphtho...
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WO/2024/078279A1 |
Provided are a supported palladium catalyst, and the preparation and use thereof. The catalyst comprises a carrier, and palladium and a modifying component which are loaded on the carrier, wherein the carrier is selected from refractory ...
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WO/2024/079564A1 |
A process and a system for oxidative dehydrogenation ("ODH") of hydrocarbons are provided. An exemplary process includes contacting an ethane feed with an oxidant in the presence of an oxidative dehydrogenation catalyst in an oxidative d...
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WO/2024/078898A1 |
The invention relates to a simulated moving bed, SMB, separation column/method comprising/using a shell (1) which comprises a plurality of adsorbent beds separated by a plurality of trays, each tray comprising a plurality of panels (6), ...
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WO/2024/073706A1 |
The process converts ethylene in a dilute ethylene (dry gas) stream that may be derived from an FCC product to propylene. The process includes an oligomerization step to convert ethylene in the dilute ethylene stream to heavier olefins, ...
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WO/2024/073345A1 |
Processes and apparatuses for separating aromatic and non-aromatic hydrocarbons by extractive distillation. A solvent is mixed with the aromatic and non-aromatic hydrocarbons. A first separation column separates non-aromatic hydrocarbons...
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WO/2024/064515A1 |
A method for inhibiting polymerization, gum formation and fouling of an atypical, high temperature ethylene fractionation train comprising treating the atypical, high temperature ethylene fractionation train with a composition including ...
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WO/2023/086560A9 |
A green energy generating system (e.g., thermal, solar, wind, kinetic) is integrated with a thermo molecular separation (Le., greenhouse gas capturing) system. The output of each system is utilized by the other to form a unitary system t...
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WO/2024/058715A1 |
Disclosed herein is a method of separating hydrocarbons from each other, the method comprising the steps of (a) providing a metal organic framework (MOF) formed from a metal ion and/or metal cluster and an organic linker, and (b) passing...
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WO/2024/056652A1 |
The invention relates to a method for producing C2-C4 olefins from dimethyl ether and optionally methanol, having the steps of: A) providing a dimethyl ether-containing flow A; B) mixing at least one part of the flow A with at least one ...
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WO/2024/051737A1 |
The present invention belongs to the technical field of crude benzene refinement, and provided is a method for producing a high boiling point solvent oil byproduct in crude benzene refinement. The method comprises the following steps: fi...
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WO/2024/049992A1 |
A hydrocarbon isomerization system for an iC4 feed stream that provides for removal of C3s from an isomerization reactor feed stream by the addition of a depropanizer column to remove C3s from the reactor effluent stream after it has pas...
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WO/2024/044566A1 |
Processes and reaction systems for olefin metathesis by reactive distillation, utilizing liquid phase metathesis of reactant olefins in the presence of a homogeneous metathesis catalyst system, where the light metathesis product is produ...
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WO/2024/037771A1 |
The invention relates to a method for the isomerisation of C4 to C9 olefins having terminal double bonds to the corresponding olefins having internal double bonds, wherein a heterogeneous catalyst comprising a silicon-aluminium mixed oxi...
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WO/2024/036241A1 |
Processes for producing a linear internal olefin product include the steps of contacting an olefin feed containing C10-C20 vinylidenes and a C10-C20 normal alpha olefin and/or C10-C20 linear internal olefins, a first acid catalyst, and a...
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WO/2024/030747A1 |
Processes and facilities for producing a recycled content organic chemical compound directly or indirectly from waste plastic. Processing schemes are described herein for converting waste plastic (or hydrocarbon having recycled content d...
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WO/2024/026285A1 |
Processes for producing n-heptane from a mixture of 1-hexene and 1-octene in the presence of a suitable isomerization-metathesis catalyst followed by a hydrogenation step are disclosed. Integrated manufacturing systems for producing n-he...
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WO/2024/020230A1 |
A method for enhancing the recovery of styrene includes feeding a hot liquid residue stream to a stripping vessel from a styrene monomer purification finishing system. The hot liquid residue stream includes styrene and compounds less vol...
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WO/2024/019560A1 |
The present invention provides a butadiene preparation method comprising a step for preparing butadiene by pyrolyzing a polyester, containing a repeating unit derived from 1,4-butanediol, or a polymer blend containing the polyester.
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WO/2024/016576A1 |
A selective hydrogenation catalyst for alkynes and a preparation method therefor. The catalyst contains at least the following active components: Pd and Ag. Based on the mass of a carrier being 100%, the content of Pd is 0.045-0.075%, an...
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WO/2024/012996A1 |
A system and method for production of MTBE, maleic anhydride, n-butane and/or olefins, is disclosed. The system includes a feed preparation unit, a deisobutanizer, an isobutane dehydrogenation unit, a steam cracker and a hydrogenation un...
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WO/2024/012444A1 |
The invention relates to an alkylbenzene-containing desorbent and the use thereof in the adsorption and separation of meta-aromatic hydrocarbons. The desorbent comprises or consists of 20-100 wt% of an alkylbenzene compound of general fo...
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WO/2024/014924A1 |
The present invention relates to a catalyst and a preparation method therefor, wherein the catalyst can convert diesel, which is increasingly likely to be unused, to a basic chemical raw material, and induce a thermal polymerization reac...
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WO/2024/015227A1 |
In a process for recovering styrene monomer from polystyrene, a feed comprising benzene, toluene, ethylbenzene, styrene monomer and C9+ aromatics produced by depolymerizing polystyrene is supplied to a first fractionation column and divi...
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WO/2024/009987A1 |
A method for producing cumene according to the present invention includes the following steps (e) and (f), in which stream (3) includes 20-99 mass% of acetophenone and 1-10 mass% of 2,3-dimethyl-2,3-diphenylbutane. (e) Cumene conversio...
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WO/2024/011171A1 |
Polymerization inhibitor compositions are provided. The polymerization inhibitor compositions include at least a first inhibitor compound having a phenothiazine or a derivative thereof, a second inhibitor compound having a phenylenediami...
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WO/2023/248499A1 |
[Problem] To provide a method for producing a monocyclic aromatic hydrocarbon, such as benzene and xylene, which are effective as basic raw materials, by using a naphtha raw material including a renewable naphtha. [Solution] This method ...
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WO/2023/247188A1 |
Processes for producing ethylene from ethane are described. A process can include oxidatively dehydrogenating ethane to produce a product stream that includes ethylene, ethane, and gases having a lower boiling temperature than ethylene. ...
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WO/2023/250129A1 |
The present disclosure provides compositions and methods for producing high-purity squalene from a squalene source, for example from host cells, such as yeast cells that are capable of synthesizing squalene. Further provided herein are c...
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WO/2023/244389A1 |
A feed mixture comprising one or more xylene isomers and C9+ aromatic hydrocarbons may be separated in a first distillation column to obtain a first overhead stream comprising m-xylene and/or p-xylene and a first bottoms stream comprisin...
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WO/2023/244394A1 |
A feed mixture comprising one or more xylene isomers may be separated in a p-xylene recovery unit using simulated moving bed. chromatography with toluene as a desorbent to obtain a product stream rich in p-xylene and a raffinate stream l...
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WO/2023/237696A1 |
The invention concerns a process for converting ethanol to ethylene, comprising a catalytic dehydration step wherein ethanol is dehydrated to form ethylene, wherein during the catalytic dehydration step water is removed from the reaction...
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WO/2023/240011A1 |
Metal-containing ionic liquids can demonstrate a sharply increased viscosity relative to the same ionic liquids without the metal cation. Metal-containing ionic liquid compositions are disclosed that contain viscosity modifiers that redu...
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