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JP2008055413A |
To provide a catalyst which enables a desired conversion treatment associated with selectivity of a desired catalyst by reducing saturation of an aromatic ring and a by-product of a light substance in the catalyst for transalkylation of ...
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JP2008055412A |
To provide catalysts and processes for transalkylation of alkylaromatic compounds, which have a desirable catalyst selectivity and cause less generation of nonaromatic compounds.Catalysts which keep palladium contained in an amount suffi...
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JP2008056593A |
To provide a process for producing propylene which can utilize a 4C and/or 5C olefin regardless of its isomers as a raw material and enables its conversion into propylene at a high selectivity by simultaneously feeding dimethyl ether and...
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JP4054513B2 |
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JP4047776B2 |
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JP4046944B2 |
The invention describes a process for the preparation of novel surfactant alcohols and surfactant alcohol ethers by derivatization of olefins having from about 10 to 20 carbon atoms or of mixtures of such olefins to give alkanols, and op...
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JP2008501001A |
The invention relates to a catalytic method for the transalkylation/dealkylation of organic compounds, consisting in bringing a supply comprising organic compounds into contact with a catalyst containing a first zeolitic component that i...
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JP2008500168A |
A process for preparing a transalkylation catalyst, the catalyst itself, and a transalkylation process for using the catalyst are herein disclosed. The catalyst comprises rhenium metal on a solid-acid support such as mordenite, which has...
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JP4021943B2 |
A process for converting a heavy aromatics feed to lighter aromatic products, such as benzene and xylene, by reacting C9+ aromatic hydrocarbons and toluene or benzene under transalkylation reaction conditions, over a first catalyst compo...
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JP2007534475A |
A heterogeneous catalyst is described, active in the metathesis reaction of olefins comprising alumina as inert carrier and a rhenium compound as active component, characterized in that rhenium is present in an amount of less than 5% by ...
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JP4014279B2 |
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JP4009575B2 |
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JP2007530556A |
A catalyst, and a process for using the catalyst, that effectively converts and transalkylates indane and C10 and heavier polycyclic aromatics into C8 aromatics is herein disclosed. The catalyst comprises a solid-acid support such as mor...
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JP3990727B2 |
A process for opening C5 and C6 rings without substantial cracking. A feedstream containing compounds comprised of at least one C5-ring, at least one C6-ring, or both, is contacted, in the presence of hydrogen, with a transition metal ca...
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JP3988847B2 |
The present invention relates a catalyst for the conversion of aromatic hydrocarbons, comprising by weight 20 to 90 parts of a crystalline aluminosilicate zeolite with a SiO2/Al2O3 molar ratio of 10 to 100, 0.05 to 10 parts of metal bism...
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JP3955998B2 |
PCT No. PCT/FR95/01739 Sec. 371 Date Jun. 30, 1997 Sec. 102(e) Date Jun. 30, 1997 PCT Filed Dec. 27, 1995 PCT Pub. No. WO96/20908 PCT Pub. Date Jul. 11, 1996A process for producing paraxylene of very high purity from a charge containing ...
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JP2007175649A |
To provide a new solid acid which is suitably used as a solid acid catalyst, excellent in stability as material and has a high surface acidity, and also provide a manufacturing method thereof.The new solid acid contains α-alumina and tu...
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JP2007516151A |
The invention relates to a method for converting gaseous effluents based on hydrogen arising from at least two reactor units R 1 and R 2 consuming hydrogen. Said effluents have differing degrees of hydrogen purity. The different hydrogen...
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JP2007516239A |
A process for diminishing the concentration of a metal complex from a solution containing said complex by the addition of an optionally fused and/or optionally substituted heterocyclic compound. The added compound is a solubility-enhanci...
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JP2007514524A |
A process is described for the preparation of a heterogeneous catalyst containing rhecnium as active component and C)an inert carrier medium. characterized in that said inert carrier is previously treated with a silanizing compound conta...
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JP2007513200A |
A process for removing ruthenium or ruthenium-containing compounds from a reaction mixture comprising a compound of the following formula I in an organic solvent using supercritical fluid processing techniques: wherein RA, R3, R4, D and ...
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JP3905147B2 |
To obtain the subject product useful as an alkylation feed source for producing a high-octane alkylate gasoline, a low vapor-pressure gasoline, or the like, in a high yield in a short time, by bringing an isopentane feed flow into contac...
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JP2007075810A |
To provide a high-activity catalyst which can be used for producing alkyl aromatic compound and/or dialkyl aromatic compound.The catalyst is prepared by calcining an oxide composite expressed by following formula (2) consisting of hetero...
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JP2007506691A |
The invention relates to a method for the production of 1,7 octadiene by reacting metathesis of cyclohexene with ethylene. The invention also relates to the production of 1,10-decandiol by hydroformulating 1,7 octadiene produced accordin...
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JP2007051143A |
To provide a method having excellent yield and selectivity, with which a ≥4C olefin-containing mixture rich in olefin is catalytically cracked to produce a lower olefin.The catalytic cracking method for olefin using an olefin rich mixt...
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JP3887794B2 |
To use a polyalkylbenzene in a transalkylation reaction, by carrying out a vapor-phase alkylation in the presence of a specific zeolite catalyst under prescribed reaction conditions to give ethylbenzene and recovering the polyalkylbenzen...
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JP2007501814A |
The invention relates to immobilisable ruthenium catalysts containing N-heterocyclic carbene ligands of the general formulae (I) and (II) which contain an SiR'n(OR')3 -carrying group on one of the two nitrogen atoms of the NHC ligand, an...
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JP2007501695A |
The invention relates to the process for the preparation of N,N-disubstituted imidazolium salts, N-heterocyclic carbene ligands and ruthenium catalysts containing N-heterocyclic carbene ligands, i.e. compounds of the general formulae (I)...
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JP3876350B2 |
To prepare the subject new compound which is a specific compound containing rhenium and aluminum and having catalytic actions on a metathetic reaction of an olefin in the homogeneous phase by reacting rhenium heptoxide with an organoalum...
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JP2007001942A |
To provide a method for efficiently producing p-xylene by regulating the concentration of the p-xylene in a mixture of xylene isomers so as to be not less than the equilibrium concentration when obtaining the xylene from a feedstock cont...
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JP3862095B2 |
There is provided a process for converting hydrocarbons which utilizes a zeolite bound zeolite catalyst that has enhanced performance when utilized in hydrocarbon conversion processes, e.g., catalytic cracking, alkylation, disproportiona...
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JP3854650B2 |
To produce substantially purified butene-1 as a by-product and further recover propylene by subjecting a mixed olefin feedstock to metathesis in the presence of a catalyst at a prescribed temperature, and subsequently subjecting the resu...
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JP3852531B2 |
To prepare an olefin methathesis catalyst of high activities and high selectivity to be easily separated and reused by providing phosphorus and molybdenum on a carrier. Phosphorus and molybdenum are provided on a carrier and an olefin me...
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JP3849169B2 |
PURPOSE: To efficiently obtain xylenes by allowing ethyl group-containing aromatic hydrocarbons to remain in a certain amount in the reaction system, when 9C alkyl-substituted aromatic hydrocarbons are treated with a catalyst capable of ...
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JP3843214B2 |
A process for the manufacture of alkanes comprising a cross-metathesis reaction between at least one starting alkane (A) and one organometallic compound (B) fixed to an inorganic support and comprising a metal bonded to at least one hydr...
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JPWO2005023420A1 |
The present invention presents two or more olefins in the presence of a catalyst in which one or more selected from the group of nickel, aluminum, manganese, iron, and copper is supported on a regular mesoporous porous body. This is a me...
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JP3823196B2 |
To produce a novel supported catalyst which contains at least one compound of rhenium with aluminum and can be used in the metathesis of olefins. A compound represented by the general formula: O3Re-O-[Al(OR)(L)x-O]nReO3 (wherein R is a 1...
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JP3817783B2 |
To produce a catalyst with which ethyltoluene included in 9C alkyl aromatic hydrocarbons is effectively dealkylated into toluene and xylene can be produced with high production yield by transalkylation reaction of toluene or trimethylben...
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JP3805409B2 |
PURPOSE: To provide a catalytic compsn. for alkylation or transalkylation of arom. compd. having superior holding periods for individual reactive cycles, and thus superior performance from the viewpoint of productivity as well as superio...
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JP3802060B2 |
There is provided a process for preparing ethylbenzene using liquid phase alkylation and vapor phase transalkylation. The liquid phase alkylation reaction may be catalyzed by an acidic solid oxide, such as MCM-22, MCM-49 and MCM-56. The ...
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JP2006517206A |
Process for the alkylation of an aromatic substrate with partial recycling of the alkylated product. A feedstock comprising an aromatic substrate and an alkylating agent is introduced into an alkylation reaction zone and into contact wit...
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JP3793926B2 |
A process for production of paraxylene from a charge containing C7-C9 aromatic hydrocarbons in which a first fraction is enriched to at least 30% weight with paraxylene and this fraction is purified by at least one high-temperature cryst...
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JP3785815B2 |
To provide a catalyst for converting efficiently aromatic hydrocarbon in an aromatic hydrocarbon containing raw material and also provide an aromatic conversion process using the catalyst. The secondary particle diameter of zeolite in a ...
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JP3773530B2 |
A heavy aromatics feed is converted to lighter aromatics products, such as benzene, toluene and xylenes by contacting a C9+ aromatics fraction and benzene and/or toluene over a catalyst comprising a zeolite, such as ZSM-12, and a hydroge...
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JP3770564B2 |
To obtain a catalyst for production of arom. hydrocarbon by transalkylation, by specifying the compsn. of a crystalline aluminosilicate and the adsorption capacity to various substances when a catalyst is produced by carrying a group VII...
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JP2006512273A |
The present invention relates to new crystalline molecular sieve SSZ-63 prepared using N-cyclodecyl-N-methyl-pyrrolidinium cation as a structure-directing agent, methods for synthesizing SSZ-63 and processes employing SSZ-63 in a catalyst.
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JP2006509799A |
Ring opening cross metathesis of secondary non-cyclic hydrocarbons with cyclic unsaturated hydrocarbons having 8 carbon atoms or more to produce corresponding unsaturated product hydrocarbons having more than 8 carbon atoms.
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JP2006506311A |
A porous, crystalline material is described having the framework structure of ZSM-12 and a composition involving the molar relationship: X2O3:(n)YO2 wherein X is a trivalent element, Y is a tetravalent element and n is less than 60. The ...
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JP2006506434A |
In a process for converting C9+ aromatic hydrocarbons to lighter aromatic products a feed comprising C9+ aromatic hydrocarbons is contacted under transalkylation reaction conditions with a catalyst composition comprising (i) a first mole...
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JP2006502216A |
A process for the production of ethylbenzene by the ethylation of benzene in the critical phase over a molecular sieve aromatic alkylation catalyst comprising cerium-promoted zeolite beta. An aromatic feedstock having a benzene content o...
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