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JP5425630B2 |
Processing schemes and arrangements for the production of olefins and, more particularly, for the production of light olefins from a methanol feedstock are provided. Such processing schemes and arrangements integrate oxygenate conversion...
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JP5417449B2 |
In a process for alkylation of an alkylatable aromatic compound to produce a monoalkylated aromatic compound, a first feed stream comprising fresh alkylatable aromatic compound is passed to a first reaction zone which comprises a transal...
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JP5406525B2 |
The present invention disclosed a kind of ruthenium complex ligands, ruthenium complexes and immobilized ruthenium complex catalysts. The invention also relates to preparation and use of new ruthenium complex ligands and ruthenium comple...
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JP5385606B2 |
An apparatus is described for the preferential conversion to 2-butene of a stream containing C4 compounds including 1-butene and 2-butene involving mixing the C4 stream with a first hydrogen stream to form a feed stream, hydroisomerizing...
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JP5385972B2 |
[Object] It is an object of the present invention to provide a method for manufacturing an olefin, wherein side reactions of a metathesis reaction are suppressed and the selectivity of a desired product is increased by facilitating doubl...
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JP5351391B2 |
This invention is drawn to a process for producing and recovering one or more high-purity xylene isomers from a feed stream having a substantial content of C9 and heavier hydrocarbons. The feed stream is processed to de-ethylate heavy ar...
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JP5351152B2 |
A process for the conversion of a hydrocarbon feedstock to produce xylene compounds. The feedstock is selectively hydrocracked and introduced into a transalkylation zone with a hydrocarbonaceous stream rich in benzene, toluene and C9+ pl...
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JP5351766B2 |
A multi-zone process for the conversion of a hydrocarbon feedstock comprising cyclic compounds to produce aromatic compounds, and in particular xylene compounds. A naphtha boiling range stream having a boiling point range from about 71°...
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JP5351168B2 |
This disclosure relates to a catalyst system adapted for transalkylation a C9+ aromatic feedstock with a C6-C7 aromatic feedstock, comprising: (a) a first catalyst comprising a first molecular sieve having a Constraint Index in the range...
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JP5345058B2 |
A metathesis catalyst which is a combination including a catalyst 1 comprising a compound that contains at least one metal element selected from tungsten, molybdenum and rhenium and a catalyst 2 comprising at least one selected from magn...
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JP5345978B2 |
Ruthenium complexes with an anionic ligand, a mono- to tri-dentate, metal-containing ligand attached to the ruthenium by non-ionic bonds, an alkylidene ligand and an N-heterocyclic carbene ligand. Complex ruthenium compounds have the for...
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JP5349312B2 |
Processes for making xylene employ catalysts containing rhenium and a molecular sieve component comprising an acidic MFI molecular sieve having a Si/Al2 molar ratio of less than about 80 and mordenite to provide a transalkylation product...
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JP5348803B2 |
This disclosure relates to a process for regenerating a catalyst composition, wherein the catalyst composition comprising a molecular sieve and at least 10 wt. % coke having a C/H ratio in the range of 0.26 to 5, the process comprising (...
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JP5298195B2 |
A process for the production of propylene, the process including: fractionating a hydrocarbon stream comprising n-butenes, isobutylene, and paraffins into at least two fractions including a light C4 fraction comprising isobutylene and a ...
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JP5292699B2 |
To provide an ethylbenzene conversion method for converting ethylbenzene in a raw material containing an 8C aromatic hydrocarbon to benzene in a high conversion rate. The ethylbenzene conversion method comprises bringing a mixed raw mate...
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JP5295953B2 |
The present invention relates to new crystalline molecular sieve SSZ-75 prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication as a structure-directing agent, and its use in catalysts for hydrocarbon conversion reactions.
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JP5285274B2 |
The present invention relates to a process for the transalkylation of hydrocarbons in the presence of a new zeolite having a beta-type crystalline structure, characterized by a distribution of the Lewis acid sites and Brønsted acid site...
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JP2013173706A |
To provide a method of producing propylene, by which the propylene can be obtained with high selectivity and at low cost.A method of producing propylene includes bringing propane and ethylene into contact with a transhydrogenation cataly...
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JP2013166755A |
To improve production rates and selectivities in a toluene disproportionation process utilizing a Ni-mordenite catalyst.A method of forming benzene and xylene from a toluene feedstock comprises: flowing the feedstock across a bed of nick...
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JP5252685B2 |
A catalyst composition, a process for producing the composition and a process for the conversion of a feedstock containing C9+ aromatic hydrocarbons to produce a resulting product containing lighter aromatic products and less than about ...
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JP5235873B2 |
In a process for producing olefins by a metathesis reaction comprising feeding an olefin gas to pass the olefin through a catalyst bed in the presence of hydrogen gas to convert the olefin into another kind of olefin, the catalyst bed ha...
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JP5227402B2 |
A process for the production of low sulfur diesel and aromatic compounds wherein C9+ hydrocarbons are hydrocracked to produce low sulfur diesel and a naphtha boiling range stream which is transalkylated in an integrated transalkylation z...
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JP5221149B2 |
It is an object of the present invention to provide an improved process whereby the yield structure of the components can be varied by a simple method, and the products can be produced stably and efficiently in a process for producing pr...
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JP5206967B2 |
A process for increasing the production of light olefin hydrocarbons from a hydrocarbon feedstock. A process for producing an aromatic hydrocarbon mixture and liquefied petroleum gas (LPG) from a hydrocarbon mixture, and a process for pr...
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JP5211316B2 |
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JP2013517351A |
One exemplary embodiment can be a process for increasing a mole ratio of methyl to phenyl of one or more aromatic compounds in a feed. The process can include reacting an effective amount of one or more aromatic compounds and an effectiv...
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JP2013516487A |
Isobutene, isoprene, and butadiene are obtained from mixtures of C4 and/or C5 olefins by dehydrogenation. The C4 and/or C5 olefins can be obtained by dehydration of C4 and C5 alcohols, for example, renewable C4 and C5 alcohols prepared f...
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JP2013515770A |
Methods for producing alpha-olefins. The methods include selectively isomerizing an alpha-olefin to a mixture of beta-olefins and ethenolyzing at least a portion of the mixture of beta-olefins to an alpha-olefin.
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JP5192493B2 |
Catalyst composition comprising a zeolite and a binder, wherein the zeolite is a Ga containing zeolite and the binder is a La modified kaolin and process for converting lower alkanes to aromatic hydrocarbons, using said catalyst composit...
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JP5156006B2 |
An aromatics complex flow scheme has been developed in which C7-C8 aliphatic hydrocarbons are recycled to an isomerization unit of a xylene recovery zone to increase the efficiency of the isomerization unit. This improvement results in a...
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JP5143844B2 |
The present invention discloses a catalyst for toluene shape selective disproportionation, comprising: a) 45 to 95 wt % of ZSM-5 molecular sieve having an average particle size of from 0.3 to 6 mum and a molar ratio of SiO2 to Al2O3 of f...
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JP5139983B2 |
Disclosed herein are methods of making xylene isomers. The methods generally include contacting an aromatics-comprising feed with a non-sulfided catalyst under conditions suitable for converting the feed to a product comprising xylene is...
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JP5131987B2 |
According to the present invention there is provided a compound in the form of a transition metal compound including a transition metal, a phosphorus containing ligand, and a cyclic organic ligand. The phosphorus containing ligand is a h...
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JP5124905B2 |
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JP5118482B2 |
An aluminosilicate zeolite and substituted version designated UZM-16 have been synthesized. These zeolites are prepared using benzyltrimethyl-ammonium (BzTMA) cation or a combination of BzTMA and at least one other quaternary ammonium ca...
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JP5116043B2 |
An object of the present invention is to provide a process for producing efficiently and stably propylene from a hydrocarbon raw material containing a high concentration of ethylene. The present invention discloses a process for producin...
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JP5100728B2 |
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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JP2012233192A |
To provide a method having resistance to poisoning of catalysts in the case of producing a light olefin, especially propylene by subjecting an olefin raw material containing impurities to catalytic cracking.This method for producing a li...
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JP5073757B2 |
A processing scheme and system for enhanced light olefin production, particularly for increased relative yield of propylene, involves oxygenate conversion to olefins and subsequent oxygenate conversion effluent stream treatment including...
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JP5047777B2 |
The invention provides N,N'-disubstituted monothiourea or bis-thiourea-Pd(0) complexes that are useful as catalysts for palladium-catalyzed Heck reaction of aryl iodides and bromides with olefins, and as catalysts for palladium catalyzed...
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JP5041373B2 |
A process for producing an alkylated aromatic compound from polyalkylated aromatic compound(s) having bi-alkylated aromatic compound(s) and tri-alkylated aromatic compound(s), comprising the step of contacting alkylatable aromatic compou...
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JP5030417B2 |
Process to produce simultaneously an olefinic fraction and a composition (A) of esters, comprises contacting an unsaturated fatty ester (formed between a monocarboxylic acid with an ethylene unsaturation and an aliphatic monoalcohol or a...
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JP5017252B2 |
A process for producing an alkylated aromatic product in a reactor by reacting an alkylatable aromatic compound feedstock with another feedstock comprising alkene component and alkane component in a reaction zone containing an alkylation...
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JP5019709B2 |
A catalytic composition for transalkylation of aromatic hydrocarbons which contains a zeolite and an inorganic binder and has an extra-zeolitic porosity higher than or equal to 0.7 cc/g for a fraction of pores of which at least 30% have ...
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JP4997096B2 |
Improved catalysts useful in a number of organic synthesis reactions such as olefin metathesis and atom or group transfer reactions are made by bringing into contact a multi-coordinated metal complex comprising a multidentate Schiff base...
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JP2012139618A |
To provide a catalyst for the conversion of a mixed raw material comprising ethylbenzene and xylenes, capable of attaining high conversion of xylenes to p-xylene with a small xylene loss and of exhibiting high ethylbenzene conversion per...
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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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