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Matches 1,201 - 1,250 out of 1,663

Document Document Title
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...  
JPH0221858B2
The invention is for a two phase gas and liquid mixture reacting in an improved fixed bed reactor having at least one auxiliary bed disposed above the main bed. The auxiliary beds each have separate liquid and gas bypasses comprising hol...  
JPH0216795B2  
JPH0212140B2
PURPOSE:To discharge a catalyst from a reaction vessel without damaging the inner wall and other accessories of the reaction vessel, by drilling the caked waste catalyst in the reaction vessel and filling the formed holes with a hydratio...  
JPH0240238A
PURPOSE: To improve hydrogenation conversion to hydrocarbon by forming a catalyst obtd. by bonding a Y-type zeolite treated with a polyvalent metal salt soln. having a specific cation radius to a group VIII and/or group VIb metal. CONSTI...  
JPH025798B2
PURPOSE:To convert a pitch-like material to low-molecular materials, and to solubilize the toluene-insoluble component, by hydrogenating a pitch-like material cntaining large amount of toluene-insoluble component in the presence of a spe...  
JPH025797B2
A process for upgrading a hydrocarbonaceous feedstock employing an alumina-based catalyst at least a portion of which is in the alpha phase. The catalyst has at least 25% of its pore volume in pores from 300-1,000 ANGSTROM in diameter, h...  
JPH024638B2
Unreacted hydrogen contained in the gaseous effluent from a high pressure hydrogenation process is reduced in pressure, followed by purification of the hydrogen at the lower pressure, and recompression to a high pressure for use in a hyd...  
JPH0226642A
PURPOSE: To prepare a strong high activity catalyst by co-milling a binder material with a solid molybdenum and/or tungsten compd., mixing the resultant co-milled product with a zeolite and shaping the mixture into particles. CONSTITUTIO...  
JPH022918B2
Hydrocarbon hydroconversion, especially hydrocarbon reforming, using catalysts whose supports have been prepared by a sol-gel process. For hydrocarbon reforming, it is preferred that the primary particles used to prepare the porous gel s...  
JPH021766B2  
JPH0151447B2
A new zeolite material designated Nu-3 having a molar composition expressed by the formula: 0.5 to 1.5R2O:Y2O3:at least 5XO2:0 to 400H2O wherein R is a monovalent cation or 1/n of a cation of valency n where n is a whole number of 2 or m...  
JPH0150279B2  
JPH0147224B2
A method is provided for increasing the catalytic activity of acid zeolite catalysts characterized by a silica to alumina mole ratio of at least 12 and a constraint index within the approximate range of 1 to 12, comprising contacting sai...  
JPH0147216B2
A process wherein a particulate sorbent mass of zeolite which has been ion-exchanged with zinc or cadmium to provide pore size openings of about 5A [5 x 10<-><1><0>m], and grater, particularly zinc, is contacted with a moist hydrocarbon ...  
JPH0133155Y2  
JPH0144753B2  
JPH0140655B2
A process is disclosed for preparation of a sulphided fluorine-containing nickel-tungsten catalyst having high activity in hydroconversion processes of hydrocarbons.  
JPH01210034A
PURPOSE: To form an active and mild hydrocracking catalyst by depositing a nickel component, molybdenum component and phosphorus component on a heterogeneous support formed by dispersing silica-alumina co-gel or the like into alumina. CO...  
JPH0138158B2
A mixture of heavy hydrocarbons, hydrogen and fresh catalyst comprising metals from the groups Vb, VIb, VIIb or VIII is passed first in a furnace for a limited heating time and then in a reactor where recycled catalyst is also added; the...  
JPH0137438B2
Hydrogen and hydrocarbons are recovered from the gaseous effluent stream (8) of a hydrogen-producing hydrocarbon conversion process. The effluent stream is partially condensed (9) to remove (10) the bulk of the heavy C6-plus hydrocarbons...  
JPH0127771B2
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 ...  
JPH01131297A
PURPOSE:To provide the title treatment where, as a solid-liquid separation process, heating and drying of the catalyst granules containing the oil component produced is performed to enhance the recovery of said oil component from the slu...  
JPH0122319B2
K 5345 Hydrocarbon oils with a total vanadium and nickel content above 500 ppmw are demetallized by contacting them at elevated temperature and pressure and in the presence of hydrogen with a non-promoted catalyst which meets certain giv...  
JPH0122320B2
A process for the hydrodemetallization of hydrocarbon oils having a total vanadium and nickel content above 250 ppmw, in which process catalysts are applied having a surface area of at most 100 m2/g and such a porosity and particle size ...  
JPH0118013B2
Crystalline silicates having: a) a certain specific X-ray powder diffraction pattern; b) a composition expressed in moles of the oxides: p(0.9 +/- 0.3)M2/n0 . p(a X2O3) . SiO2, wherein M = H and alkali metal and/or alkaline earth metal, ...  
JPH0113756B2  
JPS649807A
PURPOSE: To produce the subject composition obtained by subjecting a reaction mixture obtained from Al2O3, a phosphorus being a reactive source and an org. template agent in the presence of water to a hydrothermal crystallization and sui...  
JPS6365375B2
The process of oxidatively regenerating in situ a fixed bed hydrocarbon catalyst which is sensitive to reactive sulfur compounds in a conversion system having sulfur-contaminated vessels and/or conduits in the flow path upstream from sai...  
JPS63260984A
Heavy and residual oils, spent and waste oils are hydroconverted by liquid-phase hydrogenation. The mixing of waste oils or waste materials with the hydrogenation feed products is intended to allow re-use in place of disposal in land...  
JPS6352534B2  
JPS6349542B2
A process for denitrogenation of high nitrogen content hydrocarbon feeds comprising contacting the feed with hydrogen under denitrogenation conditions in the presence of a catalyst comprising an active metallic component comprising at le...  
JPS6345860B2  
JPS63200841A
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.  
JPS6329919B2  
JPS6327289B2  
JPS6320514B2
The present invention relates to a glycopeptide antibiotic arbitrarily designated as A/16686 antibiotic, and to its physiologically-acceptable acid addition salts. Antibiotic A/16686 free base, and its acid addition salts are antibacteri...  
JPS6393352A
A novel trimetallic catalyst composite comprises a refractory support having a nominal diameter of at least 650 microns, deposited on which is a uniformly-dispersed platinum component, a uniformly-dispersed tin component, a halogen compo...  
JPS6317498B2
A hydrotreating catalyst is regenerated as it concurrently hydrotreats a hydrocarbon fuel by introducing a low concentration of oxygen into the catalyst bed either continuously or periodically. At low oxygen concentrations the carbon dep...  
JPS6327596A
A slurry catalytic hydroconversion process comprising at least two hydroconversion zones is provided in which heavy hydrocarbonaceous fresh oil feed is added to more than one hydroconversion zone. Catalysts or catalyst precursors are add...  
JPS6259756B2
Cold flow of fuel oils is improved by adding esters of addition products of epoxides of specifically limited nitrogen-containing compounds with linear saturated fatty acids or a combination of the esters and polymers of one or more monom...  
JPS62279842A
1. A process for the hydrodemetallisation and simultaneous conversion of a hydrocarbon charge, said process comprising causing said charge to react with hydrogen in the presence of a catalyst composed of : - an alumina support which can ...  
JPS62279843A
1. A process for the catalytic hydrotreatment of hydrocarbons belonging to the group comprising the paraffins, distillates obtained during the distillation under reduced pressure of crude petroleum and used lubricating oils which have un...  
JPS62262750A
A catalyst support is made with a bidisperse micropore size distribution. One region has small micropores with an average pore diameter of less than 100 Angstroms units. The other region has large micropores with an average pore diameter...  
JPS62260888A
Mild hydrocracking of hydrocarbon oils is accomplished with a catalyst containing nickel and molybdenum as active metals, and phosphorus, on an amorphous porous refractory oxide having a narrow pore size distribution and a small mode por...  
JPS62256888A
A slurry hydroconversion process is provided in which a catalyst precursor concentrate comprising an aqueous solution of phosphomolybdic acid and a heavy oil is contacted with hot hydrogen to vaporize the water from the concentrate. The ...  
JPS6251274B2
The present invention relates to a glycopeptide antibiotic arbitrarily designated as A/16686 antibiotic, and to its physiologically-acceptable acid addition salts. Antibiotic A/16686 free base, and its acid addition salts are antibacteri...  
JPS62220583A
PURPOSE: A decompression device for high-temperature, high-pressure slurry, a wearing liquid, equipped with plural shut-off valves controlling opening and closing at the height of liquid level and flow resisting materials in inner holes ...  
JPS62220584A
PURPOSE: A compression device for high-temperature, high-pressure slurry, a wearing liquid, equipped with a flow rate control valve to control divergence at the height of liquid level and flow-resisting materials in inner holes of cerami...  
JPS62199687A
Mild hydrocracking of hydrocarbon oils is accomplished with a catalyst containing nickel and molybdenum as active metals, and phosphorus, on an amorphous porous refractory oxide having a narrow pore size distribution and a small mode por...  

Matches 1,201 - 1,250 out of 1,663