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WO/2024/066066A1 |
Provided in the present application are a metal-modified ZSM-5 molecular sieve catalyst, and a preparation method therefor and the use thereof. The preparation method comprises the following steps: mixing a ZSM-5 molecular sieve, ethyl o...
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WO/2024/070182A1 |
Provided is an ethanol conversion method including a dehydration step in which a dehydrated starting material containing ethanol is subjected to a dehydration reaction by using a dehydration catalyst in a reactor and a dehydrated reactio...
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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/2024/061731A1 |
The present invention relates to a method (100, 200) for producing one or more olefins (103), wherein one or more paraffins are reacted to obtain a product mixture (102) in one or more reaction steps (10), wherein the reaction step or st...
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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/2024/059602A1 |
According to one or more embodiments described herein, olefinic compounds may be formed by a process including contacting a feed stream including one or more hydrocarbons with a particulate solid in a reactor. In the reactor, the one or ...
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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/2024/059552A1 |
According to one or more embodiments described herein, a method for dehydrogenating hydrocarbons may include contacting a feed stream including one or more hydrocarbons with a particulate solid, which may include an oxygen-carrier materi...
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WO/2024/056428A1 |
The invention relates to a method for producing C2-C4 olefins from methanol and ethanol, said method having the steps of: A) feeding a methanol- and optionally ethanol-containing feed flow A into a dimethyl ether fixed-bed reactor and ca...
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WO/2024/059554A1 |
A method for dehydrogenating hydrocarbons may include passing a hydrocarbon feed including one or more alkanes or alkyl aromatics into a fluidized bed reactor. In the fluidized bed reactor at least 95 wt.% of the hydrocarbon feed may hav...
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WO/2024/059600A1 |
According to one or more embodiments described herein, a method for dehydrogenating hydrocarbons may include contacting a feed stream including one or more hydrocarbons with a particulate solid, which may include an oxygen-carrier materi...
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WO/2024/059551A1 |
According to one or more embodiments described herein, hydrocarbons may be dehydrogenated by a method including contacting a feed stream including one or more hydrocarbons with a particulate solid, which may include an oxygen-carrier mat...
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WO/2024/059553A1 |
According to one or more embodiments described herein, a method for dehydrogenating hydrocarbons may include contacting a feed stream including one or more hydrocarbons with a particulate solid, which may include an oxygen-carrier materi...
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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/2024/052346A1 |
Subject matter of the present invention is a method for the production of fatty alcohols from alternative, renewable natural raw materials, the use of the fatty alcohols to produce surfactant intermediates or surfactants and a fatty alco...
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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/2024/050410A1 |
A process for dehydration of an ethanol feed stream comprising sending said ethanol feed stream and steam to a radial flow reactor to contact a catalyst under reaction conditions and produce an effluent comprising ethylene. The use of a ...
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WO/2024/050423A1 |
A process for dehydration of ethanol to produce ethylene is provided. Ethanol is dehydrated to produce ethylene and the subsequent conversion of ethylene to longer chain olefins and then their hydrogenation to produce long chain paraffin...
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WO/2024/050424A1 |
An ethanol dehydration process is provided in which the steam to ethanol ratio is between 1.0 to 2.0 wt/wt and preferably 1.5 wt/wt. Steam can be imported from outside the dehydration process such as from an oligomerization or dimerizati...
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WO/2024/050412A1 |
A process of converting an ethanol feed stream to ethylene comprising sending portions of said ethanol feed stream to two reactors in parallel and then sending the combined product to a third reactor that is operated at a higher temperat...
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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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WO/2024/043330A1 |
A method for producing an internal olefin, the method comprising a step in which a starting material olefin is subjected to an isomerization reaction in the presence of the catalyst R described below. Catalyst R: a catalyst that is obt...
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WO/2024/041046A1 |
The present invention relates to a method for high-selectivity preparation of ethylene from alkoxy benzene. Alkoxy benzene can be highly selectively converted into ethylene (ethylene gas phase selectivity > 99%) and phenol (phenol liquid...
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WO/2024/042194A1 |
The present invention relates to a method for the isomerization dehydration of a feedstock comprising at least one primary monoalcohol, of formula R-CH2-OH, in which R is a nonlinear alkyl radical of general formula CnH2n+1 where n is an...
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WO/2024/040754A1 |
The present invention relates to the technical field of organic synthesis, and provides a method for synthesizing cis-2-methyl-7-octadecene and cis-7,8-epoxy-2-methyloctadecane. According to the present invention, N-sulfonylhydrazone and...
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WO/2024/044561A1 |
Isomerized olefin products are produced by contacting an olefin feed containing a C10 to C20 normal alpha olefin, a solid acid catalyst, and a C2 to C15 primary ester to form the isomerized olefin product. Typical primary esters used in ...
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WO/2024/038972A1 |
The present invention relates to a method for removing a polymer generated inside an olefin oligomerization reactor. According to the method for removing a polymer according to the present invention, a polymer inside a reactor can be qui...
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WO/2024/039702A2 |
Processes for producing two or more different C2-C6 linear or branched olefins are disclosed herein. In one exemplary implementation, the process can include contacting a first feed stream that includes γ-valerolactone with one or more ...
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WO/2024/038044A1 |
Propylene is an important industrial intermediate for the production of propylene oxide and polypropylene, while isobutylene is similarly widely used for the production of a variety of industrially important products, such as butyl rubbe...
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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/2024/030339A1 |
Processes and apparatuses for converting carbon dioxide into hydrocarbons. Carbon dioxide and coke are reacted in a reaction zone to produce carbon monoxide. The Carbon monoxide and a hydrogen stream are reacted to produce methanol. The ...
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WO/2024/027452A1 |
The present invention relates to the technical field of chemical engineering, and relates to a methanol to propylene process method and reaction system. The method comprises: in a multi-bed vertical fixed bed reactor which is provided wi...
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WO/2024/022888A1 |
The invention relates to a method for producing acetylene and synthesis gas by partially oxidizing hydrocarbons with oxygen.
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WO/2024/023384A1 |
The present invention relates to a recovery process for obtaining bioethylene by catalytically dehydrating advanced bioethanol from the organic fraction of municipal solid waste (OFMSW), which will be referred to as such in this patent, ...
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WO/2024/025988A1 |
The present disclosure relates to the integration of systems and methods associated with steam cracking, oligomerization reactions, hydrogenation reactions, and aromatization reactions for the production of benzene via the hydrogenation ...
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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/2024/016577A1 |
An alkyne selective hydrogenation catalyst for C2 fraction and a preparation method. A carrier for the catalyst is alumina or mainly alumina, and has a bimodal pore distribution structure. Active components of the catalyst at least compr...
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WO/2024/013341A1 |
The present invention relates to an oligomeric product prepared from pyrolysis oil, being preferably a plastic pyrolysis oil, via polymerization being preferably a cationic polymerization.
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WO/2024/013331A1 |
The disclosure relates to the purification and treatment of oil produced from the liquefaction of waste polymer for instance the pyrolysis of waste plastics via the polymerization of dienes prior to further treatments.
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WO/2024/013343A1 |
The present invention relates to a rubber composition comprising at least one elastomer selected from synthetic and natural elastomers; a curing agent; and an oligomeric product prepared from pyrolysis oil via polymerization being prefer...
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WO/2024/013340A1 |
The disclosure relates to the purification and treatment of oil produced from the liquefaction of waste polymer like for instance the pyrolysis of waste plastic via the polymerization of dienes prior to further treatments.
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WO/2024/013337A1 |
The disclosure relates to the purification and treatment of oil produced from the liquefaction of waste polymer like for instance the pyrolysis of waste plastic via the polymerization of dienes prior to further treatments.
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WO/2024/013333A1 |
The disclosure relates to the purification and treatment of oil produced from the liquefaction of waste polymer like for instance the pyrolysis of waste plastics via the polymerization of dienes prior to further treatments.
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WO/2024/014325A1 |
An aromatic compound configured from a stable isotope, wherein two adjacent carbon atoms are 13C, the nuclear spin quantum number of the other atoms to which the two adjacent carbon atoms bond is 0, and a hydrogen atom that has a spin co...
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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/2024/013335A1 |
The disclosure relates to the purification and treatment of oil produced from the liquefaction of waste polymer like for instance the pyrolysis of waste plastics via the polymerization of dienes prior to further treatments.
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WO/2024/008169A1 |
Provided are a low-carbon alkane dehydrogenation catalyst, a preparation method therefor and an application thereof, belonging to the technical field of petrochemical technology. The catalyst uses as an active component at least one of t...
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WO/2024/008173A1 |
The present invention relates to the technical field of petrochemical catalysis. Disclosed are a gallium-based low-carbon alkane dehydrogenation catalyst, a preparation method therefor, and a use thereof. The catalyst uses gallium as an ...
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WO/2024/008164A1 |
The present invention relates to the technical field of petrochemical industry. Disclosed are a modified zinc aluminate carrier, a low-carbon alkane dehydrogenation catalyst, a preparation method for the low-carbon alkane dehydrogenation...
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