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JP4987721B2 |
A C4-olefin mixture having a 1,3-butadiene content of from 100 to 500 ppm and a content of 1,2-dienes of less than 10 ppm is described. The present invention further provides a process for preparing this C4-olefin mixture and provides fo...
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JP4961052B2 |
A method for producing monocyclic aromatic hydrocarbons of 6 to 8 carbon number from a feedstock oil containing polycyclic aromatic hydrocarbons and saturated hydrocarbons and having a 10 volume % distillation temperature of at least 140...
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JP2012513895A |
A method is disclosed for regenerating a used catalyst mixture comprising (i) an isomerization catalyst comprising magnesium oxide and (ii) a metathesis catalyst comprising an inorganic carrier and at least one of molybdenum oxide and tu...
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JP4943612B2 |
The present invention relates to metathesis syntheses for insect sex-attractant pheromones or their components, such as E-5-decenyl acetate, the major component of the Peach Twig Borer pheromone; (5R, 6S)-6-acetoxy-5-hexadecanolide, the ...
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JP4915733B2 |
A process for producing an alkylaromatic compound includes contacting a dilute olefin feed with a lean oil stream containing aromatic compound and alkylaromatic compound in an absorption zone to provide an alkylation reaction stream cont...
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JP4907000B2 |
Process for the preparation of 2,6-dimethylnaphthalene comprising reacting with at least one aromatic hydrocarbon, in the presence of a zeolitic catalyst, a mixture of naphthalenes comprising a cut obtained by the fractionation of suitab...
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JP4896291B2 |
The present invention concerns a process for preparing 2,6-dimethylnaphthalene which comprises subjecting to isomerization 1,6 and/or 1,5-dimethylnaphthalenes, optionally mixed with other isomers of dimethylnaphthalene, by treating said ...
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JP4892135B2 |
The present invention provides a process for producing a monoalkylated aromatic compound, particularly ethylbenzene or cumene, in which a polyalkylated aromatic compound is contacted with an alkylatable aromatic compound in the liquid ph...
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JP4869948B2 |
A process for alkylation of a hydrocarbon compound includes providing a catalyst including a zeolite Y having a crystal size of no more than 100 nm, and reacting an alkylatable hydrocarbon with an alkylating agent in the presence of the ...
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JP2012501939A |
A new configuration of ZSM-5 is provided whereby the crystals have a higher average silica to alumina ratio at the edges of each crystallite than in the centre as determined from a narrow slit line scan profile obtained from SEM/EDX or T...
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JP4832422B2 |
Disclosed herein is a method of making xylene isomers. More specifically, the method includes contacting a C9 aromatics-comprising feed with a catalyst under conditions suitable for converting the feed to an intermediate product stream c...
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JP4826934B2 |
A catalyst contains an NES type zeolite(s), at least part in acid form and containing silicon and an element T from aluminum, iron, gallium and/or boron, and a group VIIB or VIB metal and iridium. A catalyst comprises a binder, an NES ty...
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JP4820919B2 |
A catalyst for producing monocyclic aromatic hydrocarbons of 6 to 8 carbon number from a feedstock oil having a 10 volume % distillation temperature of at least 140°C and an end point temperature of not more than 400°C, or a feedstock ...
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JP2011528649A |
Systems and methods for producing syngas are provided. A first hydrocarbon can be partially oxidized in the presence of an oxidant and one or more first catalysts at conditions sufficient to partially combust a portion of the first hydro...
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JP4805252B2 |
A process of producing olefins by a metathesis reaction in a practical low temperature range by improving the reactivity of the catalyst is provided. The process of producing olefins according to the present invention allows a metathesis...
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JP4782285B2 |
A synthetic porous crystalline material has the structure of ZSM-5 and a composition involving the molar relationship:wherein X is a trivalent element; Y is a tetravalent element; and n is less than 25, and wherein the slope of the nitro...
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JP4778656B2 |
An integrated process of preparing a C2-5 alkenyl-substituted aromatic compound using a C6-12 aromatic compound and a C2-5 alkane as raw materials. The process involves feeding a C2-5 alkane, for example ethane, and a C2-5 alkyl-substitu...
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JP4769200B2 |
A process of diminishing the concentration of a transition metal complex from a first solution by adding a solubility-enhancing compound that enhances the solubility of said complex in a second solution and extracting the first solution ...
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JP4757966B2 |
The present invention concerns a process for preparing 2,6-dimethylnaphthalene which comprises subjecting 1,6 and/or 1,5-dimethylnaphthalene, optionally mixed with other isomers of dimethylnaphthalene, to isomerization, which comprises t...
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JP4749577B2 |
Production of propene and hexene from butenes in a raffinate II C 4 fraction. Production of propene and hexene from butenes in a raffinate II C 4 fraction comprises: (a) reacting the butenes with ethene in a butene:ethene molar ratio of ...
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JP2011148720A |
To provide an industrially advantageous method for producing butadiene from ethylene.The method for producing butadiene comprises the following steps (I) and (II): the step (I) for producing n-butene substantially free from isobutene by ...
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JP4740396B2 |
A method for producing aromatic hydrocarbons by bringing a feedstock derived from a fraction containing a light cycle oil produced in a fluid catalytic cracking into contact with a catalyst containing a crystalline aluminosilicate, where...
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JP4731685B2 |
Cationic ruthenium complexes of the formula A or B or mixtures containing them,where B may be stabilized by a further ligand L4 andX is an anion which does not coordinate or coordinates weakly to the metal center,Y is a monodentate or mu...
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JP4732510B2 |
Disclosed herein is a process and catalyst for producing an ethylbenzene feed from a polyethylbenzene feed, comprising the step of contacting a benzene feed with a polyethylbenzene feed under at least partial liquid phase conditions in t...
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JP4726387B2 |
The present invention provides a process for producing a monoalkylated aromatic compound, particularly cumene, comprising the step of contacting a polyalkylated aromatic compound with an alkylatable aromatic compound under at least parti...
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JP4716868B2 |
The present invention provides Sumanene, its derivative and a method for manufacturing Sumanene and its derivative. As shown by a below-described scheme, benzotris(norbornadiene) (a below formula (87)) is firstly synthesized from norborn...
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JP4711960B2 |
A method is disclosed for modifying a catalytic molecular sieve for shape-selective hydrocarbon conversions comprises: a) selectivating said catalytic molecular sieve by contacting with a silicon-containing selectivating agent; and b) ca...
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JP2011105767A |
To provide a process and catalyst having desirable activity or good conversion rate in a transalkylation reaction under liquid phase conditions.There are disclosed a process and catalyst for producing a monoalkylated aromatic compound fr...
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JP2011516476T |
The process for manufacturing alpha オレフィン is indicated by this specification, and the following processes are included in it. The process of obtaining the feeding stream containing alpha オレフィン which has the internal o...
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JP4689046B2 |
This invention relates to a new synthetic porous crystalline material, designated MCM-68, a method and novel polycyclic organic cation for its preparation and its use in catalytic conversion of organic compounds. The new crystalline mate...
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JP2011098923A |
To improve the yield of propylene in the method for producing propylene using a C5 fraction.Propylene is produced by undergoing a selective hydrogenation reaction step, a first olefin metathesis reaction step, a first propylene recovery ...
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JP2011084565A |
To provide a unique catalyst, to provide a method for controlling the content of the syngas formed in the feedstock reformer, and to provide a feedstock handling system.There is provided a process of conversion of a carbonaceous feedstoc...
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JP4667365B2 |
A process for the production of alkylbenzene includes the steps of introducing benzene and an olefin feed into a first alkylation reaction zone in the presence of a first alkylation catalyst under first alkylation reaction conditions to ...
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JP2011504466A |
Process for the preparation of an olefinic product, which process comprises reacting an oxygenate feedstock and an olefinic co-feed in a reactor in the presence of an oxygenate conversion catalyst comprising a molecular sieve having one-...
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JP2011500628A |
The present invention relates to a process for isomerizing olefins in olefin-comprising hydrocarbon mixtures having from 4 to 20 carbon atoms at temperatures of from 20 to 200° C. and pressures of from 1 to 200 bar in the liquid phase i...
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JP4594382B2 |
A family of microporous aluminosilicate zeolites and substituted versions thereof which are identified as UZM-8 and UZM-8HS have been prepared. These UZM-8 compositions can be prepared using either only one or more organoammonium cations...
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JP2010535223A |
A process and apparatus for aromatic transalkylation and olefin reduction of a feed stream is disclosed. Transalkylation conditions provide a product having increased xylene concentration and reduced olefin concentration relative to the ...
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JP2010241826A |
To provide a method for cracking an olefin-containing hydrocarbon feedstock which is selective towards light olefins in the effluent.The method includes passing a hydrocarbon feedstock containing olefins through a reactor containing a cr...
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JP4562731B2 |
In order to maximize the production of propylene when the external supply of ethylene is limited, the C4 cut from a hydrocarbon cracking process is first subjected to autometathesis prior to any isobutylene removal and without any ethyle...
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JP4554201B2 |
A process for producing cumene is provided which comprises the step of contacting benzene and propylene under at least partial liquid phase alkylating conditions with a particulate molecular sieve alkylation catalyst, wherein the particl...
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JP4554072B2 |
Activation of ruthenium based catalyst compounds with acid to improve reaction rates and yields of olefin metathesis reactions, including ROMP, RCM, ADMET and cross-metathesis reactions is disclosed. The ruthenium catalyst compounds are ...
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JP4537002B2 |
A process for improved yields of heavier olefins from a substantially narrow range of lighter hydrocarbon feed stock containing olefins in a reaction distillation column comprising feeding a narrow range of hydrocarbon feed stock contain...
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JP2010526139A |
An improved process is disclosed for the selective disproportionation of toluene. The process preferably uses a disproportionation catalyst comprising a pentasil type zeolite such as MFI that is bound with aluminum-phosphate. Running the...
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JP2010138413A |
To provide an olefin metathesis reaction and a ring opening metathesis polymerization reaction, which provide high reactivity and a high product yield. A method for these reactions includes a step of contacting an olefin monomer with a R...
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JP2010138405A |
To provide a process for converting olefins into lighter olefins, in particular into propylene by using less valuable olefins present in refinery and petrochemical plants as a feedstock of a catalytic conversion, a process which produces...
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JP4486307B2 |
A process for the disproportionation of cumene is disclosed which comprises the step of contacting a feed containing cumene, under disproportionation conditions, with a catalyst comprising a molecular sieve, preferably TEA-mordenite. The...
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JP4477879B2 |
This invention relates to metal complexes which are useful as catalyst components in olefin metathesis reactions, atom or group transfer radical polymerisation or addition reactions and vinylation reactions. It also relates to the direct...
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JP4471977B2 |
A process for producing propylene is provided which includes directing an ethylene stream from an ethylene reaction zone to a propylene reaction zone; directing a butene stream to the propylene reaction zone; reacting the ethylene stream...
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JP2010111596A |
To provide an apparatus for the treatment of a 4C fraction that permits efficient conversion of an unutilized 4C fraction into one having a higher value added.An unutilized 4C fraction from a fluidized catalytic cracking apparatus (inclu...
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JP2010515568A |
Catalysts for converting polyalkylaromatics to monoalkylaromatics, particularly cumene and ethyl benzene are disclosed which comprise aY-85 or a modified LZ-210 zeolite. For cumene and ethylbenzene production, a disclosed catalyst, made ...
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