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JP2010513020A |
A catalyst composition comprises (a) a MCM-22 family molecular sieve; and (b) a binder, wherein the MCM-22 family molecular sieve is characterized by an average crystal agglomerate size of less than or equal to 16 microns. The catalyst c...
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JP4455597B2 |
A process for the production of alkylbenzene includes 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 produce a fir...
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JP4426586B2 |
The invention relates to a process for producing alkylated aromatics, preferably ethylbenzene, in a multiple bed reactor in which at least two catalysts, each comprising a molecular sieve, are used in sequential beds. The first alkylatio...
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JP2010013366A |
To provide a new method for producing propylene.This method for producing propylene is provided by making ethylene in contact with a first catalyst obtained by containing at least one element selected from the group consisting of nickel,...
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JP2010013365A |
To provide a new method for producing propylene.This method for producing propylene is provided by making ethylene in contact with a catalyst obtained by containing at least one element selected from the group consisting of nickel, titan...
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JP4402354B2 |
The invention provides a method of making a ruthenium or osmium carbene catalyst having an imidazolidine in the presence of an olefin with the application of energy. The resulting metal compound has two carbene ligands, one from the orig...
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JP4383857B2 |
The present invention relates to new crystalline zeolite SSZ-58 prepared using a N-butyl-N-cyclooctylpyrrolidinium cation or N-propyl-cyclooctylpyrrolidinium cation templating agent, and processes employing SSZ-58 in a catalyst.
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JP2009541478A |
The present invention relates to a process for preparing 2,3-dimethylbutane which comprises contacting in a reaction zone isobutane with a supported catalyst comprising a tungsten hydride and a support comprising an aluminium oxide, so a...
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JP4360909B2 |
The present invention relates to process of a selective disproportionation of toluene and a disproportionation and transalkylation toluene and C9<+> aromatics to mainly solve the problems in the prior arts of the large amount of recycle ...
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JP4362107B2 |
A process is described for producing an alkylaromatic compound by reacting an alkylatable aromatic compound with a feed comprising an alkene and an alkane in a multistage reaction system comprising at least first and second series-connec...
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JP4351393B2 |
Disclosed are a catalyst for the disproportionation/transalkylation of various hydrocarbons and methods for preparing the same. The catalyst consists of a carrier and a metal component supported on the carrier. The carrier comprises 10 t...
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JP4347214B2 |
A process for the alkylation of an aromatic hydrocarbon which comprises contacting the aromatic hydrocarbon with an C2-C4 olefin alkylating agent under at least partial liquid phase conditions, in the presence of a catalyst comprising ze...
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JP2009235094A |
To improve a production rate and selectivity in a TDP (toluene disproportionation process)method using an Ni-mordenite catalyst.Toluene is converted to benzene and xylenes by the toluene disproportionation process over the nickel-mordeni...
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JP4339551B2 |
A method is provided for conversion of heavy alkylaromatic compounds, particularly those in the C8 - C12 range, into more valuable aromatics of benzene, toluene and xylene utilizing a toluene disproportionation unit containing a nickel, ...
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JP4340404B2 |
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JP4303102B2 |
An olefin metathesis catalyst consists essentially of a transition metal or oxide thereof supported on a high purity silica support possessing low amounts of acidic or basic sites such that in the reaction of pure butene-1 over said cata...
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JP2009526790A |
A process for producing sec-butylbenzene comprises contacting a feed comprising benzene and a C4 alkylating agent under alkylation conditions comprising a temperature of about 110° C. to about 150° C. with a catalyst comprising at leas...
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JP4299122B2 |
The present invention provides a process for regenerating a spent aromatics alkylation or transalkylation catalyst comprising a molecular sieve by contacting the spent catalyst with an oxygen-containing gas at a temperature of about 120 ...
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JP4289758B2 |
An improved catalyst and process are disclosed for the selective disproportionation of toluene. The process uses a zeolitic catalyst which is oil-dropped in an aluminum phosphate binder and has an X-ray diffraction pattern showing charac...
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JP4271942B2 |
A catalytic method is provided for a ring-opening cross-metathesis reaction between a cycloolefinic substrate and a second olefinic reactant, wherein the catalyst used is a transition metal alkylidene complex substituted with an N-hetero...
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JP2009102384A |
To provide a catalyst for a ring-opening cross-metathsis reaction between a cycloolefinic substrate and a second olefinic reactant.The catalyst used is a transition metal alkylidene complex substituted with an N-heterocyclic carbene liga...
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JP4261180B2 |
A new family of crystalline alumino-silicate zeolites has been synthesized. These zeolites are represented by the empirical formula. Where M is an alkali or alkaline earth metal such as lithium and strontium, R is a nitrogen containing o...
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JPWO2007055361A1 |
Ethanol obtained from ordinary biomass resources contains impurities in addition to water, and when ethylene is obtained by a dehydration reaction, the impurities themselves or their decomposition products are mixed with ethylene, which ...
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JP4251428B2 |
A process and system for the vapor phase alkylation of an aromatic substrate in a multi-stage alkylation reaction zone having a plurality of series-connected catalyst beds spaced from one another to provide mixing zones between adjacent ...
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JP4235271B2 |
An alkylation/transalkylation process involving vapor phase alkylation of a benzene feedstock in a multi-stage alkylation zone having a plurality of series connected catalyst beds containing a pentasil aromatic alkylation catalyst, such ...
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JP2009506035A |
Disclosed herein is a process for producing a selected butene, comprising obtaining a C4 feed stream comprising C4 paraffins and C4 olefins, splitting the C4 feed stream to form a first stream comprising a first butene and a second strea...
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JP2009029800A |
To provide a new method for producing an alkyl aromatic compound by disproportionation or isomerization using a leach-free and highly active catalyst.The method for producing the alkyl aromatic compound comprises the following process: a...
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JP4214474B2 |
A C 3 to C 6 hydrogen cut from a cracking unit is processed for the conversion of olefins to propylene and hexene via autometathesis. The autometathesis (16) of a mixed normal butenes feed (10) in the presence of a metathesis catalyst op...
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JP2009013095A |
To provide a production method of olefins for producing with high selectivity, from a lower olefin, an olefin having a carbon number increased from that of the lower olefin.A lower olefin as a raw material is brought into contact with a ...
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JP4197740B2 |
There is provided a zeolite bound zeolite catalyst which can be tailored to optimize its performance and a process for converting hydrocarbons utilizing the zeolite bound zeolite catalyst. The zeolite bound zeolite catalyst comprises a f...
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JP2008543930A |
A process for increasing the production of benzene from a hydrocarbon mixture. A process for producing an aromatic hydrocarbon mixture and liquefied petroleum gas (LPG) from a hydrocarbon mixture, and a solvent extraction process for sep...
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JP4189698B2 |
A catalyst contains at least a porous inorganic support, 0.01-20 wt.% of rhenium in oxide form and 0.01-10 wt.% of aluminium derived from an aluminium compound of formula (RO)qAIR'r, in which R is an alkyl group containing 1-40 C, R' is ...
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JP4177909B2 |
The present invention addresses heat integration in an alkylation/transalkylation process involving alkylation of an aromatic substrate with a C2-C4 alkylating agent coupled with separation to recover a monoalkylated aromatic product and...
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JP2008537561A |
A process for the isomerization of a feedstream comprising C5-C6 hydrocarbons where the process involves charging hydrogen and a feedstream comprising at least normal C5-C6 hydrocarbons into an isomerization zone and contacting said hydr...
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JP2008536863A |
A process and apparatus are disclosed for hydroisomerizing a mixed C4 olefin stream in a fixed bed hydroisomerization reactor in order to increase the concentration of 2-butene and minimize the concentration of 1-butene, while concurrent...
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JP4135121B2 |
The zeolite has a composition, on an anhydrous base, in terms of molar oxide ratios of formula: 100XO2, mY2O3, pR2/nO -m ≤ 10; p ≤ 10; R = one or more cations of valence n; X = Si and/or Ge (preferably Si); and Y = Al, Fe, Ga, B, Ti,...
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JP2008531643A |
Preparation of an ethene stream (C 2), a propene stream (C 3), an isobutene and optionally a 4C-olefin stream (C 4), a 2-methyl-2-butene and optionally 2-butene stream (C 5), and optionally other hydrocarbons containing stream (C x), opt...
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JP2008531644A |
Preparation of non-aromatic carbon-carbon double/triple bond compound (A) or its mixtures from another non-aromatic carbon-carbon double/triple bond compound (B), comprises reacting pure (B) with an adsorption agent comprising an aluminu...
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JP2008526504A |
Reforming nanocatalysts are formed using a dispersing agent to increase the activity, selectivity and longevity of the catalyst when used in a reforming process. The nanocatalyst particles are formed using a dispersing agent having at le...
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JP2008526925A |
The present invention relates to a process for carrying out olefin ring-closing metathesis (RCM) wherein compressed carbon dioxide (gaseous, liquid or supercritical) acts as solvent for the liquid or solid reactant and the products obtai...
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JP2008525299A |
The present invention relates to new molecular sieve SSZ-71 prepared using a N-benzyl-1,4-diazabicyclo[2.2.2]octane cation as a structure-directing agent, methods for synthesizing SSZ-71 and processes employing SSZ-71 in a catalyst.
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JP4118957B2 |
A process for the metathesis of linear or branched starting alkanes involves, first, grafting metal atoms in the form of hydrides to a solid oxide, such that the grafted metal atoms are dispersed over the solid oxide, which effects a sol...
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JP2008521895A |
An aromatic alkylation process includes contacting an aromatic compound with an alkylating agent in the presence of a zeolite beta in a reaction zone under alkylation reaction conditions, wherein said zeolite beta is a high performance z...
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JP2008519033A |
A process for producing propylene from a C4 feed containing 2-butene includes contacting said feed with ethylene in a metathesis reaction zone containing a metathesis catalyst under metathesis reaction conditions to provide an effluent i...
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JP4093500B2 |
This invention is an improved process for the conversion of a C9 mixed alkyl aromatic feedstream containing ethyl substituted aromatics to a product rich in toluenes and/or xylenes via catalytic transalkylation/disproportionation using a...
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JP4088345B2 |
A shape-selective catalyst comprises a synthetic porous crystalline material having the structure of ZSM-5 and a composition involving the molar relationship: X2O3:(n)YO2, wherein X is a trivalent element, such as aluminum, boron, iron a...
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JP4079776B2 |
Ethylene and hexene-1 are produced from butene-1 by metathesis of butene-1 and isomerization of the hexene-3 produced therein to hexene-1. The initial starting material is a mixed butene stream wherein butene-1 is isomerized to butene-2 ...
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JP4067126B2 |
A process for converting hydrocarbons by contacting a hydrocarbon feedstream under hydrocarbon conversion conditions with a large crystal zeolite catalyst. The large crystal zeolite of the catalyst used in the hydrocarbon conversion proc...
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JP4065560B2 |
PCT No. PCT/US96/09878 Sec. 371 Date Nov. 4, 1997 Sec. 102(e) Date Nov. 4, 1997 PCT Filed Jun. 6, 1996 PCT Pub. No. WO96/40426 PCT Pub. Date Dec. 19, 1996In a synthetic porous crystalline material having the structure of ZSM-5 and a comp...
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JP4067122B2 |
A process is provided for the alkylation, transalkylation, or isomerization of aromatic hydrocarbons. The processes comprises contacting aromatic hydrocarbons under conversion conditions with a zeolite bound zeolite catalyst. The zeolite...
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