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WO/2018/136707A1 |
Embodiments of processes and multiple-stage catalyst systems for producing propylene comprising introducing a hydrocarbon stream comprising 2-butene to an isomerization catalyst zone to isomerize the 2-butene to 1-butene, passing the 2-b...
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WO/2018/128959A1 |
A process comprising: a) hydrogenating an aromatic compound comprising an aromatic ring and a substitutable hydrogen atom on said aromatic ring to form optionally substituted cyclohexene; b) contacting the cyclohexene with an oxidant und...
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WO/2018/128982A1 |
A process for producing ethylene and benzene comprising introducing fuel and oxidant to combustion zone to produce combustion product; introducing first reactant mixture comprising hydrocarbons and combustion product to first reaction zo...
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WO/2018/127767A1 |
Oxidative dehydrogenation catalysts comprising MoVNbTeO having certain molar ratios of the metals and exhibiting improved consistency of composition and a 25% conversion of ethylene at less than 420QC and a selectivity to ethylene above ...
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WO/2018/122826A1 |
A C3 hydrocarbon fractionation system includes: a) a unit for providing a feed containing mainly propane and propylene, b) a C3 fractionation column for separating the feed to provide a top product richer in propylene than the feed and a...
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WO/2018/124575A1 |
The present invention relates to a method and an apparatus for producing butadiene. According to the present invention, since butane is used as a diluent gas, there is an effect of providing a method and an apparatus for producing butadi...
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WO/2018/122692A1 |
The invention is directed to a process for rejuvenating a devitalized alkane isomerization catalyst, which comprises platinum (Pt) and chlorine on an alumina support and is used in the production of MTBE, by removal of deposited carbonac...
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WO/2018/124580A1 |
The present invention relates to a method for producing butadiene and an apparatus for producing the same. According to the present invention, a C4 mixture and a gas product can be easily separated by cooling and condensation by using bu...
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WO/2018/124579A1 |
The present invention relates to a butadiene preparation method and preparation apparatus. According to the present invention, there is an effect of providing a butadiene preparation method and preparation apparatus, which use butane as ...
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WO/2018/126069A1 |
Processes using mid-column reboilers in at least one benzene separation columns to reduce the heat duty in alkylation processes are provided. The feed to the aromatics removal zone may exchange heat in a mid-column reboiler in the benzen...
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WO/2018/124782A1 |
The present invention relates to: a catalyst for preparing olefins; and a method for preparing olefins through continuous reaction-regeneration by using the same. According to the present invention, the catalyst for preparing olefins com...
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WO/2018/123363A1 |
[Problem] To provide a method capable of stably and efficiently producing a high-purity paraffin from a high-purity olefin which is easily available, while inhibiting side reactions and eliminating variation in the amount of produced imp...
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WO/2018/118440A1 |
In a process for upgrading an ethane-containing C5- paraffin stream, the paraffin stream is contacted with an oxygen containing gas in the presence of a selective oxidation catalyst under conditions to selectively oxidize at least part o...
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WO/2018/118208A1 |
Isomerization processes such as the isomerization of ethylbenzene and xylenes, are catalyzed by the new crystalline aluminosilicate zeolite comprising a novel framework type that has been designated UZM-55. This zeolite is represented by...
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WO/2018/114747A1 |
The invention relates to an integrated process for the production of ethylene and vinyl acetate (VAM), comprising contacting in a first reaction zone a gas stream comprising ethane and optionally ethylene with an oxygen- containing gas s...
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WO/2018/115494A1 |
Proposed is a process for producing an olefin having N carbon atoms in which using a dehydrogenation a process gas containing at least the olefin having N carbon atoms, a paraffin having N carbon atoms and a hydrocarbon having N - 1 carb...
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WO/2018/114900A1 |
Reactor systems and associated processes for the oxidative dehydrogenation of ethane are provided. In particular, a reactor system comprising a multitubular fixed-bed reactor comprising a plurality of reactor tubes having a tube length o...
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WO/2018/118604A1 |
Methods for producing supported catalysts containing a transition metal and a bound zeolite base are disclosed. These methods employ a step of washing the bound zeolite base in the presence of an alkali metal, prior to impregnating the b...
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WO/2018/118439A1 |
A process for upgrading an ethane-containing C5- paraffin stream comprises contacting the paraffin stream with an oxygen containing gas in the presence of a selective oxidation catalyst under conditions to selectively oxidize at least pa...
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WO/2018/118505A1 |
A multi-stage dehydrogenation process including contacting, in a first stage, a feed stream comprising a hydrocarbon and steam with a dehydrogenation catalyst under dehydrogenation conditions to yield a first stage effluent, heating the ...
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WO/2018/115414A1 |
A process for producing ethylene is proposed in which an ethane- and oxygen-containing reaction feed is formed and a portion of the ethane and of the oxygen in the reaction feed is converted to ethylene and to acetic acid by oxidative de...
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WO/2018/118605A1 |
A method of preparing a bound zeolite support comprising: contacting a zeolite powder with a binder and water to form a paste; shaping the paste to form an wet extruded base; removing excess water from the wet extruded base to form an ex...
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WO/2018/117136A1 |
Provided is a gas-liquid reaction device having: a gas supply passage for supplying a soluble gas to a reactor inlet at a constant flow rate; a liquid supply passage for supplying a liquid substrate to the reactor inlet at a constant flo...
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WO/2018/115418A1 |
Method and plant for producing an olefin The invention relates to a method for producing an olefin, in which method a reaction feedstock stream is formed that contains at least one paraffin, oxygen and water, and in which part of the par...
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WO/2018/117820A1 |
The invention is directed to a process to prepare propylene from a hydrocarbon feed comprising pentane by contacting the hydrocarbon feed with a heterogeneous cracking catalyst as present in one or more fixed beds thereby obtaining a cra...
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WO/2018/114752A1 |
The invention relates to an integrated process for the production of ethylene and vinyl acetate (VAM), comprising contacting in a first reaction zone a gas stream comprising ethane and optionally ethylene with an oxygen-containing gas st...
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WO/2018/114777A1 |
The present invention relates to a process for the preparation of a nitrogen containing biopolymer-based catalyst by pyrolysis of a metal complex with a nitrogen-containing biopolymer and to the nitrogen containing biopolymer-based catal...
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WO/2018/115416A1 |
The invention relates to a method for producing ethylene and acetic acid, wherein a reaction mixture flow containing ethane and oxygen is formed and a portion of the ethane and the oxygen is reacted in the reaction mixture flow via oxida...
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WO/2018/118607A1 |
Methods for regenerating a sulfur-contaminated catalyst are disclosed. Such methods may employ a step of washing the sulfur-contaminated catalyst with an aqueous solution containing an alkali metal, followed by contacting the washed cata...
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WO/2018/109015A1 |
A catalyst system for dewaxing of a hydrocarbon feedstock comprising at least two catalytic sections, the first section comprising a first dewaxing catalyst and a subsequent section comprising a second dewaxing catalyst, wherein the firs...
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WO/2018/108544A1 |
The present invention relates to a hydrocarbon conversion catalyst system comprising: a first composition comprising a dehydrogenation active metal on a solid support; and a second composition comprising a transition metal on an inorgani...
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WO/2018/111965A1 |
Methods and systems for converting hydrocarbons including exposing a portion of a hydroperoxide-containing feed including tert-butyl hydroperoxide to a solid deperoxidation catalyst under decomposition conditions to form an oxidation eff...
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WO/2018/108439A1 |
The present invention relates to a hydrocarbon conversion catalyst, comprising: a first composition comprising a dehydrogenation active metal on a solid support; and a second composition comprising a transition metal and a doping agent, ...
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WO/2018/108441A1 |
The present invention relates to a catalyst system comprising: i. a first layer of a hydrocarbon conversion catalyst, the hydrocarbon conversion catalyst comprising: a first composition comprising a platinum group metal on a solid suppor...
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WO/2018/111963A1 |
Systems and methods are provided for forming alkylate from a tertiary alcohol feed. Olefins for the alkylation reaction can be generated from a portion of the tertiary alcohol feed. The tertiary alcohol feed can be obtained, for example,...
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WO/2018/108442A1 |
The present invention relates to a hydrocarbon conversion process comprising contacting a hydrocarbon feed stream with a hydrocarbon conversion catalyst, wherein the hydrocarbon conversion catalyst comprises a first composition comprisin...
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WO/2018/108443A1 |
This invention relates to a catalyst system comprising (a) at least one layer of a first catalyst comprising a dehydrogenation active metal on a solid support; (b) at least one layer of a second catalyst comprising a metal oxide; and (c)...
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WO/2018/111960A1 |
Systems and methods are provided for production of high octane hydrocarbon from an isoparaffin feed using oxidation acid catalysis chemistry.
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WO/2018/104845A1 |
Systems and methods for the production of n-butene isomers and/or 1,3-butadiene are disclosed. The systems and method involve an oxidative dehydrogenation (ODH) process for the production of n-butene isomers and 1,3-butadiene light olefi...
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WO/2018/104887A1 |
Disclosed are supported platinum-tin (Pt-Sn) based catalysts and methods of their use in selective light alkane dehydrogenation to corresponding alkenes and preparation. The supported catalysts contain a support of blended zeolite, in pa...
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WO/2018/102601A1 |
The present disclosure provides petrochemical processing methods and systems, including ethylene conversion processes and systems, for the production of higher hydrocarbon compositions, for example liquid hydrocarbon compounds, with redu...
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WO/2018/099832A1 |
A method is described for the isomerisation of an aromatic fraction comprising at least one aromatic compound having eight carbon atoms per molecule, said method implementing the successive use of two isomerisation catalysts, one based o...
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WO/2018/100515A1 |
The invention relates to novel ruthenium complexes of formula (9). The invention also relates to the method for preparation of novel metal complexes of formula (9) and their use in olefin metathesis reactions.
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WO/2018/095776A1 |
The invention relates to a method for producing butadiene from n-butenes, comprising the following steps: A) providing a feed gas flow a containing n-butenes; B) feeding the feed gas flow a containing n-butenes and feeding a gas containi...
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WO/2018/095840A1 |
The invention relates to a method for producing butadiene from n-butenes, having the following steps: A) providing a feed gas flow a containing n-butenes; B) feeding the feed gas flow a containing n-butenes and feeding a gas containing o...
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WO/2018/095856A1 |
The invention relates to a method for preparing butadiene from n-butenes, comprising the steps of: A) providing an input gas stream a containing n-butenes; B) feeding the input gas stream a comprising n-butenes and a gas containing oxyge...
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WO/2018/092840A1 |
Provided is a method for producing p-xylene, the method comprising: a preparation step for preparing, as a product produced by fluid catalytic cracking of heavy oil fractions, a C4 fraction containing at least isobutene; a dimerization s...
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WO/2018/087033A1 |
The invention concerns a method for the isomerisation dehydration of a feedstock comprising a primary monoalcohol, alone or in a mixture, of formula R-CH2-OH, in which R is a non-linear alkyl radical of general formula CnH2n+1 where n is...
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WO/2018/087777A1 |
The present invention discloses an improved process for the conversion of alkanes to alkenes in the presence of a recyclable mixed oxide and perovskite catalysts with high yield.
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WO/2018/087031A1 |
The invention relates to a method for isomerising dehydration of a feedstock comprising at least one primary monoalcohol, alone or in a mixture, of formula R-CH2-OH, wherein R is a non-linear alkyl radical of general formula CnH2n+1, whe...
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