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WO/2019/168249A1 |
The present invention relates to a ligand, an ethylene oligomerization catalyst comprising same, and a method for selectively producing 1-hexene or 1-octene from ethylene by using the catalyst. The ligand according to the present inventi...
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WO/2019/168437A1 |
The present method is characterized in that feedstock vapors are heated to a temperature of 150-180°С in a heat exchanger mounted downstream of a recovery boiler (15), wherein dehydrogenation is carried out at a volumetric flow rate of...
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WO/2019/167323A1 |
[Problem] To provide a technique for producing 1,3-butadiene with high efficiency from 1,4-butanediol or 3-buten-1-ol under reaction conditions including a high inversion rate. [Solution] A catalyst for use in the production of 1,3-butad...
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WO/2019/165350A1 |
The present invention discloses processes for producing normal alpha olefins, such as 1-hexene, 1-octene, 1-decene, and 1-dodecene in a multistep synthesis scheme from another normal alpha olefin. Also disclosed are reactions for convert...
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WO/2019/162781A1 |
Systems and processes to produce ethylene and synthesis gas having a H2:CO2 ratio of 1.9:1 to 2.1:1 and less than 5 wt.% CH4 from oxidative pyrolysis of methane are described.
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WO/2019/163594A1 |
[Problem] The present invention addresses the problem of efficiently isomerizing lycopene, more specifically, shortening a step for isomerizing lycopene. [Solution] As the results of intensive studies, the present inventor found that lyc...
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WO/2019/164797A1 |
Described are methods for converting methane to olefins, aromatics, or a combination thereof using a single atom catalyst comprising CeO2 nanoparticles impregnated with individual atoms of noble metals including Pt, Pd, Rh, Ru, Ag, Au, I...
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WO/2019/160074A1 |
The purpose of the present invention is to provide a gas refining apparatus with which a product gas can be obtained at low cost and at high purity and high yield, and with which a product gas can be manufactured using several types of g...
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WO/2019/160259A1 |
The present specification pertains to a catalyst loading method comprising the steps of: (A) mixing a ferrite-based catalyst molded product and diluent material particles; and (B) loading the catalyst molded product mixed with diluent ma...
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WO/2019/154645A1 |
The invention relates to a method for treating, by reactive distillation, an olefin feed comprising linear olefins with n carbon atoms, and branched olefins, the branched olefins comprising tertiary branched olefins, for example a mixtur...
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WO/2019/155607A1 |
A method for producing light olefin according to one embodiment of the present invention converts methanol into light olefin in the presence of a catalyst that contains YNU-5 zeolite. The YNU-5 zeolite may be loaded with a metal. The lig...
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WO/2019/144954A1 |
Disclosed are an alkali-modified composite catalyst and a method for preparing ethylene by the hydrogenation of carbon monoxide. A conversion reaction is carried out on a fixed bed or a moving bed using a mixed gas of carbon monoxide and...
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WO/2019/142865A1 |
The present invention relates to a catalyst which comprises a catalytic component including: a compound containing at least one element X selected from the group consisting of Groups 3-6 in the periodic table; a zinc (Zn) compound; and a...
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WO/2019/143377A1 |
Disclosed herein are systems and processes which prevent fouling of a reactor inlet of an oligomerization reactor. The systems and processes involve placement of an inlet sleeve around at least a portion of a reactor inlet such that a cu...
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WO/2019/139071A1 |
The present invention relates to a catalyst which comprises: a porous carrier which contains at least one element X that is selected from the group consisting of elements of groups 13 and 14 of the periodic table; an oxide of at least on...
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WO/2019/134870A1 |
The invention relates to a method for obtaining one or more olefins, in which method a feed/starting mixture (1) containing methane and oxygen is fed to one or more catalytic zones (11) of one or more reactors, wherein the one or more ca...
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WO/2019/132392A1 |
The present specification relates to a method for manufacturing a zinc ferrite catalyst, comprising the steps of: preparing a zinc precursor solution; preparing a ferrite precursor solution; bringing the zinc precursor solution into cont...
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WO/2019/131890A1 |
The present invention pertains to a catalyst which has mesopores and which is a composite oxide comprising: at least one type of element X selected from the group consisting of Group 3-6 elements in the periodic table; and at least one t...
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WO/2019/122444A1 |
The present invention is directed to processes for the manufacture of extracts containing lycopene, as well as to the thus obtained extracts. One process according to the present invention comprises the following steps: a) providing toma...
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WO/2019/124519A1 |
The invention addresses the problem of providing a method for producing ethylene that uses propylene as starting material and that, during ethylene production, stably produces ethylene on a long-term basis while minimizing reductions in ...
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WO/2019/123121A1 |
Systems and processes for producing isomerized alkenes are disclosed. The systems mainly include an isomerization unit, a dehydrogenation unit, and a MTBE synthesis unit. A hydrocarbon stream is fed into the isomerization unit to form is...
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WO/2019/113752A1 |
The present invention provides a catalyst system for ethylene selective oligomerization, comprising three components: a ligand a, the ligand a being a carbene group having an imidazole ring system; a transition metal compound b, the tran...
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WO/2019/113748A1 |
Provided is a catalyst system for the selective oligomerization of ethylene, the catalyst system belonging to the field of catalysis technologies. The catalyst system comprises three components: a ligand a; a transition metal compound b,...
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WO/2019/116483A1 |
The purpose of the present invention is to provide an acrylic acid production plant in which acrylic acid can be produced using propylene obtained in a partial oxidation coupling reaction of methane. To achieve the foregoing, provided is...
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WO/2019/117759A1 |
The invention relates to gas-phase synthesis of butadiene from ethanol or from a mixture of ethanol and butadiene precursors such as acetaldehyde. A production method includes transforming ethanol, or a mixture of ethanol with acetaldehy...
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WO/2019/118226A1 |
Processes are described for isomerizing one or more C14-C24 alpha olefins to produce an isomerization mixture comprising one or more C14-C24 internal olefins comprising contacting an olefinic feed comprising the one or more C14-C24 alpha...
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WO/2019/116484A1 |
Provided is a co-production plant 100 for an olefin and methanol, which is used to produce an olefin and methanol from a natural gas that contains methane, and which comprises: an olefin production unit 10 for producing an olefin; and a ...
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WO/2019/118228A1 |
Processes are described for isomerizing one or more C4-C24 alpha olefins to produce an isomerization mixture comprising one or more C4-C24 internal olefins comprising contacting an olefinic feed comprising the one or more C4-C24 alpha ol...
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WO/2019/115251A1 |
The present invention concerns a method for purifying an olefinic feedstock comprising olefins with 4 carbon atoms and impurities including isobutanal, ethanol and acetone, said method comprising a pre-treatment comprising at least a ste...
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WO/2019/118230A1 |
Processes are described for isomerizing one or more C4-C24 alpha olefins to produce an isomerization mixture comprising one or more C4-C24 internal olefins comprising contacting an olefinic feed comprising the one or more C4-C24 alpha ol...
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WO/2019/112478A1 |
Proposed is a process for producing olefinic hydrocarbons by the dehydrogenation of corresponding paraffin hydrocarbons, which is carried out in a reactor-regenerator system with a fluidized bed comprising a mixture of finely dispersed c...
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WO/2019/112477A1 |
Proposed is a process for producing olefinic hydrocarbons by the dehydrogenation of corresponding paraffin hydrocarbons, which is carried out in a fluidized bed of a finely dispersed oxidic chromia-alumina catalyst circulating in a react...
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WO/2019/108081A1 |
The present invention relates to the method for producing α-olefins by oligomerization of C2 to C4 olefins. The olefin oligomerization method is carried out in a presence of a catalytic system comprising: 1) a chromium source, 2) a n...
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WO/2019/107884A1 |
The present invention relates to a catalyst system for an oxidative dehydrogenation reaction, a reactor for butadiene production including the same, and a method for preparing 1,3-butadiene. More specifically, the present invention relat...
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WO/2019/104778A1 |
A catalyst, which comprises molecular sieves; a molecular sieve structure is at least provided with a one-dimension eight-membered annular small hole channel, wherein the diameter of a substance that may diffuse in the direction of the e...
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WO/2019/107713A1 |
The present invention relates to a method for oligomerizing olefins, and provided is a method for oligomerizing olefins, comprising the steps of: carrying out the oligomerization reaction of olefins by injecting an oligomerization transi...
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WO/2019/102305A1 |
Methods and systems for improving energy conversion from the heat available in a hydrocarbon feedstream during the production of olefins. In a particular non-limiting embodiment, a method can include increasing the temperature of a hydro...
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WO/2019/097199A1 |
The invention relates to a process that comprises dehydration of by- products from ethanol production from sugar cane, by fluidized bed catalytic cracking, for obtaining a renewable hydrocarbon stream, preferably consisting primarily of ...
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WO/2019/092668A1 |
Methods and systems for improving energy conversion from the heat available in a hydrocarbon feedstream during the production of olefins. In a particular non-limiting embodiment, the method can include increasing the temperature of a hyd...
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WO/2019/088703A2 |
A production method according to the present invention provides a method for selectively producing ethylene from propylene. More specifically, ethylene is produced from propylene by using a controlled process and a ZSM-5 catalyst, which ...
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WO/2019/086981A1 |
Provided herein is a process for controlling carbon dioxide output levels coming from an oxidative dehydrogenation (ODH) process. Carbon dioxide output from an ODH process includes that produced in the ODH reaction and carry over when ca...
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WO/2019/080832A1 |
A molecular sieve composition, a manufacturing method therefor and a use thereof in the production of low-carbon olefin. The molecular sieve composition comprises a phosphorus aluminum molecular sieve and a CO adsorptivity component, the...
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WO/2019/083846A1 |
Methods of producing at least one of ethylene and propylene. The methods may include contacting a mixture of C4+ compounds with a catalyst to convert at least a portion of the C4+ compounds to at least one of ethylene and propylene. The ...
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WO/2019/081628A1 |
The invention relates to a method for removing dienes from a material stream containing C3 to C5 hydrocarbons by selective hydrogenation at a predefined reaction pressure and a predefined reaction temperature in the presence of a hydroge...
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WO/2019/083561A1 |
A methane conversion process for producing C2+ hydrocarbons comprising (a) introducing a reactant mixture comprising methane (>20 mol%) and an inert compound to a reaction unit to produce a reactor effluent stream comprising C2+ hydrocar...
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WO/2019/081665A1 |
The present invention relates to a compound a metal and a mesostructured support, wherein said mesostructured support comprises pores separated from each other by pore walls; and wherein said metal comprises atoms which are homogeneously...
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WO/2019/079736A1 |
Methods of producing propylene and/or ethylene. The methods can include contacting a mixture of C4+ compounds with a catalyst, such as a fixed bed catalyst, that includes a phosphorus treated zeolite. The mixture of C4+ compounds can inc...
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WO/2019/076984A1 |
The invention relates to a process (100) for producing ethylene, in which process a first gas mixture (1) is formed by means of a method for the oxidative coupling of methane (10), part of the first gas mixture (1) is used to form a seco...
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WO/2019/074304A1 |
Disclosed are a catalyst system capable of selectively oligomerizing olefins including ethylene and a method for preparing an olefin oligomer by using the same and, specifically, a novel catalyst system capable of tripletizing and quater...
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WO/2019/074894A1 |
A process for converting a feed stream having carbon to C2 to C5 olefins, includes introducing a feed stream including methane and oxygen to a first reaction zone, reacting the methane and oxygen in the first reaction zone to form a firs...
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