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WO/2024/155979A1 |
A process for preparing an olefin stream for oligomerization comprises fractionating an olefin stream to provide an ethylene stream and a olefin rich stream. Acetylenes in the ethylene stream are converted to ethylene in the presence of ...
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WO/2024/155992A1 |
A process is provided for preparing a hydrocarbon stream for oligomerization. The process strips dimethyl ether from an olefin stream using a stripping column. Lighter olefins such as C3- olefins are also removed. The C4+ olefins can the...
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WO/2024/155983A1 |
A process for preparing an olefin stream for oligomerization comprises fractionating an olefin stream to provide a light gas stream and an olefin rich stream. Oxygenates are absorbed from the olefin rich stream into a water wash stream t...
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WO/2024/149726A1 |
Subject of the invention is a method for producing fuel which comprises aromatics, the method comprising the steps: (i) reacting CO2 with H2 to yield CO using a reverse water gas shift catalyst, (ii) converting CO from step (i) with H2 i...
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WO/2024/059737A3 |
The present disclosure relates to cyclic poly alpha-olefin (PAO) materials prepared from alpha-olefins, and processes for making them.
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WO/2024/149720A1 |
Subject of the invention is a method for producing fuel which comprises C8+ aromatics, the method comprising the steps: (i) converting a feed mixture comprising CO2 with H2 into a mixture comprising CO and C6+ aromatics, wherein the CO2 ...
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WO/2024/149723A1 |
Subject of the invention is a method for producing fuel which comprises C8+ aromatics and C8+ hydrocarbons, the method comprising the steps: (i) converting a feed mixture comprising CO2 with H2 into a mixture comprising CO, C6+ aromatics...
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WO/2024/147866A1 |
A process for producing desulfurized alpha olefins may include reacting a conjugated diene compound and a hydrocarbon oil stream including alpha olefins in a Diels-Alder reactor at a temperature of 100 ℃ to 250 ℃ to form an effluent ...
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WO/2024/143750A1 |
Provided are an aromatization catalyst and a manufacturing method thereof. The aromatization catalyst comprises zeolite and first and second metals supported on the zeolite, wherein the first and second metals are sequentially supported ...
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WO/2024/139679A1 |
The present invention relates to the field of organic chemical engineering. Disclosed is a production process for norbornene. The production process comprises the following steps: (1) pre-dissolving ethylene gas in an inert solvent; and ...
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WO/2024/143765A1 |
The present invention relates to a method for removing polymers which are generated during olefin oligomerization and which are accumulated inside a reactor and cause fouling, the method enabling simultaneous oligomerization and polymer ...
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WO/2024/132737A1 |
The invention concerns a process for regenerating a used catalyst which has been used for the oligomerization of C3 to C6 olefins, the catalyst in the fresh state having had an active material composition of 10 to 70 % by weight of NiO, ...
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WO/2024/133081A1 |
A process for the manufacture of acrylic acid in combination with generation of heated steam comprises subjecting a feedstock comprising a renewably-sourced ethanol to dehydration to produce a renewably-sourced ethylene stream, which is ...
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WO/2024/133082A1 |
A process for the manufacture of a chemical of interest comprises subjecting a feedstock comprising a renewably-sourced ethanol to dehydration to produce a renewably-sourced ethylene stream, which is subjected to an olefin-interconversio...
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WO/2024/135085A1 |
This hydrocarbon production system generates a hydrocarbon having two or more carbon atoms from methane by an oxidative coupling reaction of methane, and comprises: an oxidative coupling reaction device that performs an oxidative couplin...
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WO/2024/137432A1 |
Processes and a catalyst for the cycloaddition of an olefin, such as C2 to C4 olefins like, ethylene, propylene and butylene, to a biomass derived compound, such as dimethylfuran, furan, methylfuran. The catalyst has a relatively low sil...
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WO/2024/135671A1 |
This dehydrogenation reaction catalyst comprises: a main phase configured from a perovskite oxide expressed by general formula (A1−xA'x)(Zr1−y−zByB'z)O3−δ (where A is at least one element selected from alkali earth metals, A' is...
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WO/2024/126397A1 |
The invention relates to a system (100) for determining individual product amounts of a plurality of chemical reactors (11, 12,..., 1K) contributing to a combined product amount. The system comprises a measurements providing unit (101) p...
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WO/2024/129687A1 |
Oligomer products are produced by reacting an alpha olefin and a vinylidene compound in the presence of a solid catalyst, such as a solid oxide or a chemically-treated solid oxide. Metallocene compounds, organoaluminum compounds, and BF3...
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WO/2024/129579A1 |
The present disclosure generally relates to processes for the oligomerization of alpha olefins with high yield to dimer and trimer oligomer products, where heavier products including tetramers are relatively minimal. These processes util...
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WO/2024/091452A9 |
Processes for converting one or more C1-C5 linear or branched alcohols to one or more C2-C5 olefins are provided. In one exemplary embodiment, the process can be a single stage process for the direct conversion of C1-C5 alcohols to olefi...
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WO/2024/117599A1 |
The present invention relates to a RuSn/SiAl catalyst for producing hydrocarbon compounds including olefins and paraffins from carboxyl group- or hydroxyl group-containing organic compounds, wherein, by using a RuSn/SiAl catalyst in whic...
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WO/2024/111997A1 |
The present invention relates to a method for decreasing by-products in olefin oligomerization and, more specifically, to a method for decreasing by-products in olefin oligomerization, comprising a step of polymerizing ethylene monomers ...
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WO/2024/108509A1 |
A device and method for preparing aromatic hydrocarbons from naphtha. The device for preparing aromatic hydrocarbons from naphtha comprises a naphtha-to-aromatics reactor (1), a regenerator (2) and a light hydrocarbon aromatization react...
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WO/2024/112843A1 |
A method of forming a light-polyisobutylene may include polymerizing isobutene or an isobutene-containing monomer mixture in presence of a proton-form zeolite catalyst to form a light-polyisobutylene. A light-polyisobutylene may be forme...
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WO/2024/108506A1 |
The present application discloses a naphtha and methanol based aromatic hydrocarbon preparation and olefin co-production fluidized bed device and a method. By using the device, under the action of a catalyst, naphtha reacts with methanol...
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WO/2024/112651A1 |
The present application pertains to a methane dehydrogenation process subjecting a methane feed to a novel SiO2 catalyst under dehydrogenation conditions and producing hydrogen, ethylene, an aromatic, or any mixture thereof. In another e...
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WO/2024/107662A1 |
A reaction vessel may include a vessel wall forming an internal volume comprising a fluid space. A reaction vessel may include at least one grounded surface or electrode. A reaction vessel may include at least one dielectric insulator, t...
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WO/2024/108011A2 |
Provided herein are methods of synthesizing cyclic alkanes, wherein cyclic alkene dimers are formed using a metathesis catalyst, followed by hydrogenation of said cyclic alkene dimers to yield cyclic alkanes.
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WO/2024/103244A1 |
The present invention relates to the technical field of lanthanum oxycarbonate. Disclosed are a lanthanum oxycarbonate catalyst, a preparation method therefor and a use thereof. The lanthanum oxycarbonate catalyst comprises lanthanum oxy...
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WO/2024/107596A2 |
Methods for deactivating a transition metal-based catalyst system containing a co-catalyst comprising an aluminoxane and optionally an alkylaluminum are disclosed in which the catalyst system is contacted with a C4-C18 alcohol co-catalys...
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WO/2024/098502A1 |
A solid acid alkylation catalyst, and a preparation method therefor and a use thereof. The preparation method comprises the following steps: S1, mixing an aluminum source, water, an alkali source, a template agent, a silicon source and a...
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WO/2024/097488A1 |
The present disclosure provides for catalytic transformation to convert ethylene and/or α-olefins to higher olefins. Specifically, this disclosure provides for methods of catalyzing alkene oligomerization reactions and the making of cat...
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WO/2024/090946A1 |
The present invention relates to a method for preparing, from steel by-product gas, high-value-added olefins, which are used as a raw material for plastics. The method for preparing olefins by using steel by-product gas, according to the...
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WO/2024/089255A1 |
A process for the manufacture of styrene comprises the steps of subjecting a feedstock comprising a renewably-sourced ethanol to dehydration to produce a renewably-sourced ethylene stream; and reacting the renewably-sourced ethylene stre...
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WO/2024/089252A1 |
A process for the manufacture of an acrylic ester selected from n-butyl acrylate and 2-ethylhexyl acrylate comprises subjecting a feedstock comprising a renewably-sourced ethanol to dehydration to produce a renewably-sourced ethylene str...
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WO/2024/089256A1 |
A process for the manufacture of isononanol, comprises subjecting a feedstock comprising a renewably-sourced ethanol to dehydration to produce a renewably-sourced ethylene stream. The renewably-sourced ethylene stream is subjected to an ...
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WO/2024/089254A1 |
A process for the manufacture of citral comprises subjecting a feedstock comprising a renewably-sourced ethanol to dehydration to produce a renewably-sourced ethylene stream. The renewably-sourced ethylene stream is subjected to an olefi...
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WO/2024/081726A1 |
A method of producing olefinic and aromatic hydrocarbons from waste plastics comprising feeding a mixture of plastics along with the products of the oxidation of light hydrocarbons to a process in which the feed mixture is catalytically ...
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WO/2024/078528A1 |
A phosphine-phenol transition metal complex, a preparation method therefor, and a use thereof. The structural formula of the phosphine-phenol transition metal complex is shown in formula (I), M being selected from Group IVB metals, Ar be...
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WO/2024/071940A1 |
The present invention relates to: a ligand compound having a novel structure; an organic chromium compound; a catalyst composition comprising the organic chromium compound; and an ethylene oligomerization method using same, the ligand co...
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WO/2024/071620A1 |
Disclosed herein is a process for removing residual hydrogen present in aromatic fractions by reaction with olefins and/or bicyclic aromatic components also contained therein, wherein bromine indices in the aromatic fractions are reduced...
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WO/2024/067658A1 |
The present invention relates to the technical field of lanthanum oxycarbonate. Disclosed are a lanthanum oxycarbonate catalyst, a preparation method therefor and a use thereof. The lanthanum oxycarbonate catalyst comprises hexagonal cry...
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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/2024/073655A1 |
The present disclosure is directed to systems and methods for direct electrical heating of process heaters tubes (e.g., reactor tubes) using galvanic isolation techniques. The disclosure is also directed to systems and methods for direct...
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WO/2024/059828A1 |
Systems and methods for producing hydrogen and solid carbon from gaseous feedstock. The system includes a plasma reactor configured to receive and convert feedstock comprising hydrocarbons into acetylene, and a refractory coupled to the ...
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WO/2024/058487A1 |
The present invention relates to a reactor for non-oxidative direct conversion of methane, and a method for preparing C2 hydrocarbon compounds and aromatic compounds by using same, and, more specifically, to a reactor for non-oxidative d...
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WO/2024/047612A1 |
Systems and methods of producing 1-hexene are disclosed. The methods include oligomerizing ethylene to produce 1-hexene in a reactor unit, which involves flowing a first solvent system into the reactor unit, the first solvent system adap...
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WO/2024/050425A1 |
A process for dimerizing and oligomerizing olefins to distillate fuels which utilizes a solid acid catalyst for ethylene oligomerization in a first stage and a metal catalyst for further oligomerization in a second stage. Distillate fuel...
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WO/2024/050427A1 |
A process for oligomerizing and oligomerizing olefins to distillate fuels which regenerates a first stage oligomerization catalyst bed and/or a second oligomerization catalyst bed in situ by contact with an oxygen gas at elevated tempera...
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