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Matches 1,551 - 1,600 out of 2,394

Document Document Title
JPH0765054B2  
JPH0762139B2
An improved system for performing an alkylation process and a method for handling liquid catalyst in an alkylation process. This improvement involves method and apparatus by which liquid alkylation catalyst contained in the alkylation pr...  
JPH07163881A
PURPOSE: To obtain an activated and selective alkylation catalyst containing silica and an acidic phase containing sulfuric acid and a compound HB(HSO4)4, by impregnating the silica with the acidic phase, making the catalyst made of part...  
JPH07166172A
PURPOSE: To obtain a gasoline base material with low benzene content, useful as an automotive fuel, by fractional distillation of raw naphtha into light fraction and heavy fraction followed by treating both the fractions under specified ...  
JPH07166173A
PURPOSE: To easily produce gasoline in high selectivity of gasoline at a low cost by reforming a thermal cracking oil of a polyolefin resin in a steam atmosphere in the presence of a two-dimensional functional catalyst prepared by suppor...  
JPH07163884A
PURPOSE: To produce a pref. light oil fraction having a high cetane value, a stable hue and a low pour point and low in sulfur content by hydrogenating an aromatic nucleus contained in a catalytically cracked light oil fraction to make t...  
JPH07163882A
PURPOSE: To obtain an alkylation catalyst containing silica and an acidic phase containing sulfuric acid, in which the silica is impregnated with the acidic phase, by specifying the average particle diameter of the catalyst and controlli...  
JPH0733958U
[Purpose] Provided is a reaction tube support device capable of following a change in the load of the reaction tube that increases or decreases due to a change in the amount of catalyst. [Constitution] In the reaction tube support device...  
JPH0756031B2
1. Process for stabilizing the activity of crystalline silica polymorph of the silicalite type used as hydrocarbons conversion catalyst, characterized in that it consists of : a) halogenating said silicalite by contacting it with a gaseo...  
JPH0756032B2
1. Process for stabilizing the activity of crystalline silica polymorph of the TEA-silicate type used as hydrocarbons conversion catalyst, characterized in that it consists of : a) halogenating said TEA-silicate by contacting it with a g...  
JPH0756030B2
1. Catalytic treatment process of hydrocarbon feedstocks which consists in converting said hydrocarbon feedstocks under pressure with a catalyst selected from either silicates or TEA-silicate which have previously been stabilized, said p...  
JPH0755820B2
The invention concerns a new stabilized and dealuminated zeolite of OMEGA structure, characterized by: a total SiO2/Al2O3 molar ratio of at least 10, a sodium content lower than 0.5% by weight, a and c parameters of elementary mesh respe...  
JPH0747488B2
A class of cation-reordered, bismuth-containing compounds having a perovskite-type structure of the formula:wherein y is greater than 0 but less than 1, is provided. Preferably, y is from 0.25 to 0.75, and most preferably y is 0.5.The co...  
JPH0739581B2
Olefins in a gasoline boiling range feed stream also containing highly unsaturated hydrocarbons are selectively isomerized by a two step process involving treating the feed stream to reduce the content of highly unsaturated hydrocarbons ...  
JPH0735343B2  
JPH07100388A
PURPOSE: To obtain a catalyst carrier having pore distribution and surface area fit for oil refinery and excellent in activity and selectivity by coating a porous inorg. material with a metal alkoxide, metallic chelate compd. or halide. ...  
JPH07100389A
PURPOSE: To obtain a catalyst carrier and a catalyst each having pore distribution and surface area fit for oil refinery and excellent in activity and selectivity. CONSTITUTION: A metal alkoxide or metallic chelate compd. is hydrolyzed a...  
JPH07503227A
A method for synthesizing molecular sieves is disclosed. The method comprises preparing an aqueous mixture comprising: a) a source zeolite, wherein said source zeolite contains sodalite substructures and has a tetrahedra atom density of ...  
JPH07502928A
This invention is a process for the regeneration of solid acidic hydrocarbon conversion catalysts, but particularly certain transition aluminas and zeolites promoted with Lewis acids (preferably BF3) which have been used in the alkylatio...  
JPH0782573A
PURPOSE: To treat petroleum at a low cost with a simple apparatus by distilling a crude oil under the normal pressure to separate it into a residual oil and a distillate oil and hydrogenating the distillate oil collectively with one hydr...  
JPH0782176A
PURPOSE: To provide a paraffin/olefin alkylation process environmentally acceptable and flexible with olefins by selectively forming highly branched alkylates at an acceptable rate over a long period of time. CONSTITUTION: A cyclic proce...  
JPH0720553B2
PURPOSE:To distribute platinum uniformly on a carrier without segregating the same in the carrier and to improve the performance of a catalyst by depositing a platinum-contg. component on the carrier by using a solvent, then removing sai...  
JPH0721149B2  
JPH0751576A
PURPOSE: To reduce an amount of generation of undesirable gaseous hydrocarbon and to lower an activation level of a catalyst during initial reforming operation step by contacting the catalyst with a unsaturated aliphatic hydrocarbon at a...  
JPH0715101B2
A hydrocarbon conversion process that uses a contaminant-sensitive catalyst and a conversion system that has been contaminated through contact with a contaminant-containing prior feed is started up by utilizing a hydrocarbon solvent in t...  
JPH0714483B2  
JPH0715104B2
A process for producing synthesis gas by catalytic reforming of hydrocarbons with steam in a reaction zone which is subjected to heat exchange with a combustion gas and recycling heat exchanged combustion gas to a combustion zone. The in...  
JPH0715102B2
A process for reforming a full boiling range naptha feed to enhance benzene yield is disclosed which first separates the feed into a C6 fraction containing at least 10% by volume of C7+ hydrocarbons and a C7+ fraction, then subjecting th...  
JPH0747275A
PURPOSE: To obtain a catalyst, by a simple preparing process, capable of attaining a higher conversion degree to aromatics than the former catalysts by reacting the vapor of zinc starting material with a zeolite support material in a rea...  
JPH0747279A
PURPOSE: To increase an octane value of fluid catalytic cracking gasoline without addition of hydrogen by using a fluid cracking catalyst contg. zeolite Y and stabilized zeolite W at the specified proportions. CONSTITUTION: A zeolite Y c...  
JPH0748580A
PURPOSE: To provide a crystalline aluminozincosilicate catalyst which has a high catalytic activity and produces an arom. compd. at a high yield. CONSTITUTION: A raw material contg. at least 50wt.% 2-7C aliph. hydrocarbon and/or alicycli...  
JPH0710980B2  
JPH0710981B2  
JPH07501042A
A crystalline zeolite SSZ-37 is prepared using a N,N-dimethyl-4-azoniatricyclo [5.2.2.0(2,6)] undec-8-ene cation as a template wherein said zeolite is used in hydrocarbon conversion processes.  
JPH074529B2
PURPOSE: To improve the dehydrogenatability of hydrocarbons by depositing a platinum group metal component and a metal component selected from a group of Sn, Ge and Re on solid heat resistant oxide support particles of a specific diamete...  
JPH074530B2
PURPOSE: To carry out dehydration of hydrocarbons by making a VIII group noble metal component, alkali or alkali earth, and a third component such as geranium supported on a theta-alumina carrier having specified properties. CONSTITUTION...  
JPH072707A
PURPOSE: To use a catalyst providing a high selectivity for aromatic compounds in an aromatization of hydrocarbons containing 5 to 9 carbon atoms per molecule. CONSTITUTION: An aromatization of hydrocarbon containing 5 to 9 carbon atoms ...  
JPH07826A
PURPOSE: To improve aromatization reaction of a paraffin having 2-4 or 5-12 carbon atoms per molecule by using a composite catalyst mixed with a zeolite MFI and a matrix. CONSTITUTION: A composite catalyst comprises 1-99% zeolite N/MFI a...  
JPH073269A
PURPOSE: To obtain a feed lien to a pyrolysis furnace and an injection apparatus which increases the mixing effect of an additive and a feedstock and avoids blockage of the injection apparatus and corrosion of a hot metal feed line surfa...  
JPH07825A
PURPOSE: To improve aromatization reaction of a paraffin containing 2-12 carbon atoms per molecule by using a composite catalyst containing a zeolite MFI and one element selected from the group consisting of gallium and an alkaline metal...  
JPH06104632B2
A catalyst composition consisting essentially of (a) a crystalline aluminosilicate zeolite having a silica/alumina mole ratio of at least 10 (component A) in which at least 50 % of its cationic sites are occupied by alkaline earth metal ...  
JPH06346062A
PURPOSE: To convert light hydrocarbons composed mainly of paraffins into lower olefins and monocyclic aromatic hydrocarbons. CONSTITUTION: A light hydrocarbon raw material is subjected to catalytic cracking by using an aluminosilicate ze...  
JPH06343867A
PURPOSE: To obtain a crystalline aluminozincosilicate catalyst, having high activity, high selectivity of arom. hydrocarbon and a much longer service life than the conventional catalyst. CONSTITUTION: Raw material contg. at least 50wt.% ...  
JPH06346063A
PURPOSE: To provide a process for the conversion of light hydrocarbons composed mainly of paraffins into lower olefins and monocyclic aromatic hydrocarbons. CONSTITUTION: A light hydrocarbon raw material is subjected to catalytic crackin...  
JPH06330055A
PURPOSE: To convert a light hydrocarbon raw material consisting mainly of a paraffin having a specific carbon number into lower olefins and monocyclic aromatic hydrocarbons in high yields by bringing the light hydrocarbon raw material in...  
JPH0692585B2  
JPH0689341B2  
JPH0688761B2  
JPH0689340B2  
JPH0688914B2
A process for liquid phase alkylation of a hydrocarbon substrate with an olefinic alkylating agent comprising the steps of passing a process stream of the hydrocarbon substrate and alkylating agent at alkylating conditions through a fixe...  

Matches 1,551 - 1,600 out of 2,394