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Matches 1,151 - 1,200 out of 1,662

Document Document Title
JPH0471004B2
Gallophosphate compositions of the formula (molar oxide ratios): mR:Ga2O3:1.0 + 0.2 P2O5, where "R" represents at least one organic templating agent and "m" has a value from 0.02 to 0.2. The use of these novel gallophosphates is also dis...  
JPH04247239A
PURPOSE: To offer the production of presulfide-type hydrogenation treatment catalyst which has high activity at least almost equal to that of a presulfide type hydrogenation treatment catalyst using mercaptocarboxylic acid, and moreover,...  
JPH04244233A
PURPOSE: To easily and completely regenerate deactivated metallic ruthenium catalyst carried on an aluminum oxide carrier to again enable, particularly, to perform stereospecific hydrogenation by treating with ultrasound. CONSTITUTION: D...  
JPH04244238A
PURPOSE: To prepare a highly active catalyst for hydrogen-treating hydrocarbon oil. CONSTITUTION: An impregnation solution containing a metal ion of the Group VI of the Periodic Table and a metal ion of the Group VIII of the Periodic Tab...  
JPH04243546A
PURPOSE: To provide a method for producing a hydrogenation catalyst for hydrocarbon oil processing having an outstandingly higher catalytic activity than any catalyst which has hitherto been proposed and permitting reduction of the hydro...  
JPH04243547A
PURPOSE: To provide a method for producing a hydrogenation catalyst for hydrogen oil processing having an outstandingly higher catalytic activity than any catalyst which has hitherto been purposed and permitting reduction of the hydrocar...  
JPH0453807B2
Process for producing crystalline aluminosilicates having in the hydrogen form an X-ray diffraction pattern substantially as set forth in Table 1 of this specification and the following composition in terms of the mole ratios of the oxid...  
JPH04227792A
PURPOSE: To refine a heavy slurry oil fraction at good efficiency by dispersing catalyst fines in a feed oil, passing the mixture through a hydrovisbreaker to lower the viscosity, separating the effluent into higher and lower boiling fra...  
JPH04210240A
PURPOSE: To obtain a highly active hydrogenation catalyst by depositing a catalytic metal on a carrier and dry-sulfurating the metal without calcining it. CONSTITUTION: Catalytic metals such as molybdenum, cobalt and nickel are singly or...  
JPH04197448A
PURPOSE: To allow uniform impregnation of a carrier with a highly concentration activated metal containing carboxylic acid by adding a carboxylic acid to a mixed solution of the VI group metal and the VIII group metal of a periodic table...  
JPH0442067B2
A shaped catalyst and methods of use are provided. The catalyst has substantially the shape of a cylinder having a plurality of longitudinal channels extending radially from the circumference of the cylinder and defining protrusions ther...  
JPH04187233A
PURPOSE: To efficiently preheat a fluidized bed in a short time by firstly fluidizing a fluidization medium by high-temp. air to heat the fluidized bed at the prescribed temp. and then supplying solid fuel having low ignition temp. into ...  
JPH04166231A
PURPOSE: To produce a catalyst for hydrogenation treatment of high activity without calcining by impregnating an inorg. oxide carrier with an aq. soln. comprising an oxide of group VI metal, carbonate of group VIII metal and phosphoric a...  
JPH0435519B2
Heavy hydrocarbon feedstocks are hydroprocessed using a synergistic two-stage catalyst combination. The first stage catalyst comprises at least one Group VIb or Group VIII metal, metal oxide, or metal sulfide on a refractory porous suppo...  
JPH0431737B2
Hydrotreating catalysts comprise a hydrogenating component and a support comprising at least one porous refractory inorganic oxide, said catalyst having BET surface area of 150 to about 190 m<2> g. nitrogen desorption pore volume of 0.8 ...  
JPH04135643A
PURPOSE: To obtain a catalyst for hydrizing treatment which is highly active and generates no corrosive material in the active state during temp. rising by adding β-thiodiglycol to a catalyst carrying group VI and VIII metals on the car...  
JPH0424107B2  
JPH0457887A
PURPOSE: To obtain a catalyst having an acceptable range of self-heating properties without any problem of smell in the preparation of a pre-sulfurized catalyst suitable for using, in the activated form, in the catalytic hydrogen treatme...  
JPH047259B2  
JPH046645B2
A crystalline alumino-silicate having a powder X-ray diffraction diagram, a specific area, and a porous volume to nitrogen corresponding to offretite, and containing at least one metal selected from the groups I, II, VI, VII, VII, rare e...  
JPH044726B2  
JPH03291244A
PURPOSE: To upgrade low value hydrocarbon by introducing a hydrogen donor and low value hydrocarbon to a reaction zone including a plazma initiator and irradiating the reaction zone with microwave radiation. CONSTITUTION: A hydrogen dono...  
JPH03291243A
PURPOSE: To prevent the lowering of the activity of a plazma initiator by maintaining the weight ratio of carbon to hydrogen within a specific range by the addition of molecular hydrogen, when hydrocarbon is modified by using microwave i...  
JPH03505844A
The addition of a compound containing a complex cation of zirconium to a zeolite improves the properties of the zeolite and also improves the dispersibility characteristics of nobel metal components supported in the zeolite. The preferre...  
JPH0375488B2
Crystalline molecular sieves having three-dimensional microporous framework structure of MO2, AlO2, and PO2 tetrahedral oxide units are disclosed. These molecular sieves have an empirical chemical composition on an anhydrous basis are ex...  
JPH0372676B2
The invention relates to a process to improve the stability of a catalyst to be used for lowering the cloud or turbidity point and the filterability limit temperature of gas-oils. The catalyst is formed of a composite system constituting...  
JPH0372344B2  
JPH0372010B2
Generic class of microporous molecular sieves whose structure is formed from S1O2, AlO2 and PO2 tetrahedra. The process for their preparation and processes for hydrocarbon conversions using the molecular sieves (SAPO's) are also claimed.  
JPH03504737A
A process is disclosed for the conversion of C2-C12 paraffinic hydrocarbons to more valuable petrochemical feedstocks including C2-C4 olefins and C6-C8 aromatics in the presence of a composite catalyst comprising a binder and at least on...  
JPH0366245B2  
JPH0363593B2
A compound containing ferric ferrous salt and a producing method thereof are provided in the present invention. Said compound comprises ferric ferrous salt and a salt of alkaline metals or a compound containing a metal which belongs to z...  
JPH0363430B2
The activity of a catalyst comprising a 1-12 constraint index zeolite composited with specified binders is increased by steaming or hydrothermal treatment carried out on the already-shaped composite.  
JPH03217235A
PURPOSE: To prepare the sulfided catalyst having improved activity in situ by bringing a catalyst into contact with hydrogen gas in combination with sulfiding agent or a hydrocarbon feed containing an added sulfiding agent. CONSTITUTION:...  
JPH0361498B2  
JPH03503881A
A method for synthesizing a large pore crystalline molecular sieve having an X-ray diffraction pattern with the characteristic lines (IA) comprises (i) preparing a mixture comprising sources of oxides of aluminum, phosphorus, and optiona...  
JPH03503743A
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.  
JPH03177497A
PURPOSE: To improve the hydroconversing rate of Conradson carbon residue by using a catalyst obtained through an electric discharge operation and comprising metal(-contg.) particles dispersed in a carbonaceous matrix. CONSTITUTION: A car...  
JPH03163194A
PURPOSE: To inhibit the formation of a liquid hydrocarbon bearing a considerable amount of coke by bringing a specified hydrocarbon oil, a hydrogen- containing gaseous stream and a catalyst into contact with each other under specified co...  
JPH03131686A
PURPOSE: To obtain a high level hydrogen treated product in high yield by subjecting a gas oil feed to hydrogen treatment in the presence of a catalyst slurry in two continuous steps of comparatively high temperatures and comparatively l...  
JPH03115488A
PURPOSE: To perform hydrotreating of heavy oil economically without using any catalyst regeneration column by suspending in the heavy oil a fresh direct desulfurization catalyst and/or a waste direct desulfurization catalyst, subjecting ...  
JPH03501863A
Lubricating oils are prepared by a process whereby a hydrocarbonaceous feedstock is hydrocracked and subsequently dewaxed over a crystalline silicoaluminophosphate SAPO-11 containing platinum and/or palladium.  
JPH0345513A
PURPOSE: To improve quality by removing Al2O3 by a water heat treatment of zeolite to increase its Si/Al ratio and selectively extracting formed amorphous phase Al2O3 thereby forming a zeolite product holding a framework crystallization ...  
JPH0314496B2
A fixed bed catalytic reactor having a porous bed of catalyst particles contained in a closed reactor shell, comprising inlet means for introducing a downwardly flowing mixed stream of gas and liquid reactants; phase separator means for ...  
JPH0312935B2  
JPH03332B2
Hydrocarbon conversion processes with crystalline silicates surrounded by an alumina containing isostructural shell are claimed.  
JPH02298356A
PURPOSE: To efficiently regenerate a catalyst by a method wherein a waste catalyst is allowed to fall in the porous fluidizing part in the first-third treatment chambers under gravity and treatment gases are allowed to flow through the r...  
JPH0249359B2  
JPH02242886A
PURPOSE: To contrive to improve the contact efficiency between fluid and catalyst layer by preventing the pressure loss and block formation in catalyst layer by means of disposing the raw material-supplying tube with a double pipe struct...  
JPH0234887B2
PURPOSE:To increase the strength of the titled activated alumina, by using alumina containing 10-50wt% of zirconia on the basis of alumina and having an average fine pore size of 40-100nm and a specific area of 20m<2>/g or more. CONSTITU...  
JPH0223597B2
In a cyclic process for upgrading a hydrocarbon or hydrocarbon-forming feed by steps including regenerating of the zeolite catalyst, the operating period or cycle is substantially increased by using a ZSM-5 zeolite having a silica-to-alu...  

Matches 1,151 - 1,200 out of 1,662