Matches 251 - 300 out of 474 < 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
4159935 Conversion of hydrocarbonaceous black oils  
Hydrocarbonaceous black oils are converted into lower-boiling hydrocarbons via a process which utilizes two separate catalytic reactor systems interconnected by way of a multiple-stage separation...
4159937 Mixed-phase reaction product effluent separation process  
Multiple-stage separation of a mixed-phase product effluent resulting from the hydrocracking and/or hydrorefining conversion of a hydrocarbonaceous charge stock. Reaction product effluent is...
4151070 Staged slurry hydroconversion process  
A staged hydrocarbon hydroconversion process is provided in which a portion of the product boiling up to an atmospheric pressure distillation cut point of about 1050° F. is removed between the...
4126538 Process for the conversion of hydrocarbons  
Residual hydrocarbon stocks obtained after vacuum distillation are converted into light distillates by certain sequences of processing steps including vacuum distillation, deasphalting,...
4120778 Process for the conversion of hydrocarbons in atmospheric crude residue  
A process is disclosed for the conversion of a hydrocarbon oil vacuum distillation residue to one or more atmospheric distillates by a processing sequence comprising vacuum fractionation, catalytic...
4082647 Simultaneous and continuous hydrocracking production of maximum distillate and optimum lube oil base stock  
A process is provided for the simultaneous and continuous hydrocracking of two feed stocks for production of maximum distillate and optimum lube oil base stock. The second feed is mixed with...
4062757 Residue thermal cracking process in a packed bed reactor  
A thermal cracking process comprising thermally cracking a non-deasphalted residual oil in a thermal cracking zone containing a fixed bed of inert solids.
4058449 Hydrocracking process  
Process for hydrocracking a petroleum hydrocarbon charge contaminated with nitrogenous compounds, comprising the hydrogenation of said charge in a first reaction zone followed with a separation in...
4048053 Upgrading solid fuel-derived tars produced by short residence time low pressure hydropyrolysis  
A process for producing and upgrading carbonaceous tars including adding the carbonaceous material into a first reaction zone of a reactor having at least two reaction zones; adding hot hydrogen to...
4017379 Conversion process of hydrocarbons  
This invention relates to a process for effectively and completely converting into a useful hydrocarbon oil comprising naphtha, kerosene and gas oil with high cracking rate, the tar-sand bitumen...
4011154 Production of lubricating oils  
A process is disclosed for producing a lubricating oil base stock by: (1) fractionating a hydrocarbon feedstock boiling above 650° F into a plurality of fractions including at least a...
4001106 Catalytic conversion of hydrocarbons  
A process for cracking a hydrocarbon material in two separate reaction zones, each of which contains a different crystalline aluminosilicate zeolite, one of such zeolites having a pore size of less...
3992283 Hydrocracking process for the maximization of an improved viscosity lube oil  
A process for hydrocracking petroleum fractions to produce lubricating oils of suitable viscosity index comprising subjecting a petroleum fraction to hydrocracking conditions selected to minimize...
3983029 Hydrotreating catalyst and process  
A cogelled catalyst comprisng a crystalline zeolitic molecular sieve component containing less than 5 weight percent sodium and containing ions selected from Mn, rare earths of atomic numbers...
3977961 Heavy crude conversion  
This invention relates to novel catalysts, of two distinct types, useful for the catalytic hydroconversion of the 1050°F.+ hydrocarbon material contained in heavy crudes and residua such that the...
3974065 Early detection and warning method for controlling temperature excursions in hydro-processing hydrocarbons  
A method is disclosed for obtaining an early detection and warning of a dangerous temperature excursion in a process using one or more hydrocarbon hydroprocessing reactors operating under otherwise...
3974060 Preparation of high V.I. lube oils  
High boiling hydrocarbon feeds are converted to high V.I. lube oils in high yields by hydrotreating in a first stage over a hydrogenation catalyst and then hydrocracking in a second stage over a...
3963600 Combination process for the conversion of heavy distillates to LPG  
Maximum conversion of heavy distillates to LPG is achieved through a combination process involving two stage hydrocracking.
3941680 Lube oil hydrotreating process  
A process for the production of lubricating oil in order to obtain lower viscosity lubricating oils of increased viscosity index by separating a crude lubricating oil into a residual fraction and a...
3926784 Plural stage residue hydrodesulfurization process with hydrogen sulfide addition and removal  
A multiple stage process is described for the catalytic hydrodesulfurization and hydrodemetallization of a residual petroleum oil boiling above the gasoline range. The product of the process...
3917562 Combination process for the conversion of heavy distillates to LPG  
Maximum conversion of heavy distillates to LPG is achieved through a combination process involving two stage hydrocracking.
3915843 Hydrocracking process and catalyst for producing multigrade oil of improved quality  
Lube oils which may be used as direct multigrade lube oils are obtained from paraffins, particularly from hydrocracking paraffins, by hydrogenation in the presence of both a group VIII noble metal...
3910834 Moving bed reactor conversion process for particulate containing hydrocarbons such as shale oil and tar-sands oil  
Crude oil petroleum derived from oil shale or tar sands and containing large amounts of highly abrasive particulate matter, such as rock dust or sulfated ash, is hydroprocessed in a dual function...
3897329 Spit flow hydrodesulfurization of petroleum fraction  
Heavy hydrocarbon oils are desulfurized in a split flow catalytic process in which the upper catalyst bed temperature is at least 875°F. and the lower catalyst bed temperature is below 850°F.
3894938 Catalytic dewaxing of gas oils  
Improved catalytic dewaxing and desulfurization of high pour point, high sulfur gas oils to lower their pour point to about 10°F or lower and their sulfur content by contacting a high pour point...
3891539 Hydrocracking process for converting heavy hydrocarbon into low sulfur gasoline  
A hydrocracking process wherein heavy hydrocarbon oils having from about 10 to 50 percent boiling above 1,000°F. and containing appreciable amounts of sulfur, nitrogen, and metal-containing...
3887455 Ebullating bed process for hydrotreatment of heavy crudes and residua  
A process for the hydrotreatment, or hydroconversion, of heavy crudes and residua in an ebullating bed of catalyst, expanded to critical volume ranging from about 20 to 70 percent, preferably 30 to...
3882013 Method of producing highly aromatized low-sulphur hydrocarbon petroleum stock  
A method of producing highly aromatized low-sulfur hydrocarbon oil stock involves destructive catalytic hydroaromatization of vacuum gas oil at temperatures of from 500° to 600°C, under a...
3855114 PROCESS FOR PRETREATING MIXED HYDROCARBON DEALKYLATION STOCK  
A hydrocarbon liquid stream is conditioned for hydrodealkylation by first fractionating the stream to obtain a heart-cut containing aromatics, and substituted aromatics and paraffinic hydrocarbons...
3849290 UPGRADING OF REFORMATES BY CATALYST COMPOSITIONS SELECTIVE FOR CRACKING LOW AND HIGH BOILING PARAFFIN COMPONENTS  
A combination process is described for the upgrading of reformates by sequentially selectively cracking high and low boiling paraffin components using ZSM-5 type and erionite crystalline...
3844933 HYDROCONVERSION OF COAL-DERIVED OILS  
The conversion of coal-derived oils such as coal extract by ebullated bed reactor processing with hydrogen using a unique macroporous microspheroidal catalyst is accomplished to the extent of 80...
3833499 HYDROCONVERSION PROCESS  
A hydrocracking process using a palladium-zeolite-amorphous inorganic oxide catalyst containing 1 to 40 weight percent zeolite and wherein the catalyst is prepared by impregnating palladium into...
3816296 HYDROCRACKING PROCESS  
Midbarrel fuels boiling primarily between about 300° and about 700°F are selectively produced from higher boiling feeds containing less than 10 ppm nitrogen by hydrocracking in the presence of...
3793191 PROCESS FOR MANUFACTURING LUBRICATING OIL  
A process for manufacturing a lubricating oil comprising a first step of passing a deasphalted crude oil distillation residue containing by weight at least 85 percent of constituents boiling above...
3793182 HYDROCRACKING PROCESS FOR BENZCORONENE-CONTAMINATED FEEDSTOCKS  
Mineral oil feedstocks which contain dissolved benzcoronenes are subjected to hydrocracking over certain catalysts based on a steam treated, metal-cation-deficient Y zeolite while maintaining a...
3779897 HYDROTREATING-HYDROCRACKING PROCESS FOR MANUFACTURING GASOLINE RANGE HYDROCARBONS  
A process for converting sulfur and nitrogen containing hydrocarbons boiling in the 400°-1,000° F. range into gasoline range hydrocarbons boiling below about 400° F. which comprises...
3764519 HYDROCARBON HYDROCONVERSION PROCESS USING SIEVE IN ALUMINA-SILICA-MAGNESIA MATRIX  
A hydrocarbon hydroconversion process comprising contacting a hydrocarbon feedstock and hydrogen with a catalyst comprising an alumina-silica-magnesia matrix containing a hydrogenation component,...
3758628 COMBINATION CRACKING PROCESS FOR CONVERTING PARAFFINIC NAPHTHA INTO HIGH OCTANE GASOLINE  
A process for manufacturing high octane gasoline from a low octane paraffinic naphtha, which comprises hydrocracking a first portion of the naphtha to yield a C 4 fraction comprising isobutane and...
3730876 PRODUCTION OF NAPHTHENIC OILS  
Naphthenic oils are prepared by hydrocracking a petroleum residuum and catalytically dewaxing the lubricating oil so produced. The dewaxed oil is then subjected to solvent extraction or mild...
3723296 HYDROCONVERSION OF PETROLEUM OILS  
In a dual catalyst system such as a petroleum oil hydrotreating - hydrocracking combination in which the first reaction zone is used to control the amount of catalyst deactivant passing into the...
3720601 HYDROCRACKING PROCESS  
Selected nitrogen-containing hydrocarbon fractions are hydrocracked to maximize gasoline production. A fraction is hydrocracked severely in the presence of added hydrogen and a hydrocracking...
3718575 HYDROCRACKING FOR LPG PRODUCTION  
Liquefied petroleum gas, herein referred to as "LPG," is produced from heavy hydrocarbon distillates through the utilization of a two-stage hydrocracking process. The product effluent from the...
3716475 HYDROTREATING CATALYST COMPRISING AN INTERSTRATIFIED CRYSTALLINE CLAY-TYPE ALUMINOSILICATE COMPONENT AND A CRYSTALLINE ZEOLITIC MOLECULAR SIEVE COMPONENT AND PROCESS USING SAID CATALYST  
A catalyst comprising an interstratified synthetic crystalline aluminosilicate cracking component and a crystalline zeolitic molecular sieve component, which may be dispersed in a matrix comprising...
3669873 HYDROFINING-HYDROCRACKING PROCESS  
A hydrofining-hydrocracking process which comprises contacting a hydrocarbon feed containing more than 50 parts per million of organic nitrogen and substantial amounts of materials boiling above...
3655551 HYDROCRACKING-HYDROGENATION PROCESS  
A cyclic hydrocracking-hydrogenating process comprising a gasoline-producing cycle, passing a mineral oil feedstock through a first and second catalyst contact zone to effect a substantial...
3640817 HYDROCARBONACEOUS BLACK OIL CONVERSION PROCESS  
Asphaltene-containing hydrocarbonaceous black oils are subjected to conversion conditions in a two-stage process. The physical characteristics of the catalytic composite disposed within the...
3640816 MULTIPLE STAGE PROCESS FOR PRODUCING LIGHT LIQUIDS FROM COAL  
A multiple stage process for producing light liquids from coal wherein a slurry of pulverized coal, a solvent therefor and hydrogen is charged under pressure into a first reaction zone where the...
3623974 HYDROTREATING A HEAVY HYDROCARBON OIL IN AN EBULLATED CATALYST ZONE AND A FIXED CATALYST ZONE  
A process is shown for the hydrotreating of a heavy hydrocarbon feed in an ebullated-bed reaction zone and the fixed bed hydrotreating of a vacuum gas-oil fraction of the liquid product from the...
3622495 MULTIPLE-STAGE SLURRY PROCESSING FOR BLACK OIL CONVERSION  
A catalytic slurry process for effecting the conversion of a hydrocarbonaceous charge stock containing asphaltenes, metallic contaminants and excessive quantities of sulfurous compounds. The slurry...
3620960 CATALYTIC DEWAXING  
A waxy hydrocarbon oil feed is catalytically dewaxed in the presence of hydrogen at dewaxing conditions using a catalyst comprising molybdenum and combined fluorine, calculated as fluorine, in...
Matches 251 - 300 out of 474 < 1 2 3 4 5 6 7 8 9 10 >