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JPS5560590A |
PURPOSE: To prevent the viscosity increase of bottom residue oil and the production of gum substance, and to improve the efficiency of heat exchange, by feeding a heavy fraction of tar gas-oil to the bottom of a preliminary distillation ...
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JPS5552383A |
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JPS5512413B2 |
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JPS5536239A |
PURPOSE: To polymerize and inactivate soluble metals existing in a heavy oil, and to suppress the deterioration of expensive catalyst, by non-catalytically hydrogenating the heavy oil under specific conditions. CONSTITUTION: A deasphalte...
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JPS558558B2 |
1454550 Hydrocracking STANDARD OIL CO 31 Dec 1973 [5 Feb 1973] 60293/73 Heading C5E A feed containing polynuclear aromatics is treated by passage through a zone at elevated temperature and at a partial pressure of hydrogen not less than ...
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JPS5520689A |
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JPS5444006B2 |
A process for improving a residual fuel derived from the distillation of petroleum crude includes originating a thermal shock by injecting water into residual fuel oil which has previously been heated to a temperature close to its boilin...
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JPS5439349B1 |
Method for preparing silica-alumina catalysts for the conversion of hydrocarbons which comprises reacting an aluminum compound and a silicon compound in an aqueous solution while maintaining the pH at about 10-14, adding to the reaction ...
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JPS5439351B1 |
1313361 Regeneration of hydrocarbon conversion catalysts ENGELHARD MINERALS & CHEMICALS CORP 19 June 1970 [20 June 1969] 30003/70 Heading B1E Deactivated catalyst comprising rhenium, Group VIII noble metal and support material, for examp...
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JPS54148802A |
PURPOSE: The time of stoping the operation of the reactor for direct desulfurization of heavy oil is specified to prevent completely the separation of padded parts made of stainless steel. CONSTITUTION: The time of stopping the operation...
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JPS5438067B1 |
There is disclosed a method for reactivating a fixed bed of used platinum group metal-alumina catalyst of the type in which the alumina is derived from hydrous alumina predominating in alumina trihydrate. Such catalysts are employed in, ...
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JPS54123103A |
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JPS54119502A |
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 DEG F. is removed between the stages and in which the first stage is op...
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JPS5428402B1 |
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JPS5424403B2 |
Methods of starting up and shutting down reactors used in hydrocracking and hydrodesulfurization of black oils. The reactor is flushed with a heavy vacuum gas oil between the circulation of the black oil feed stream and the lighter hydro...
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JPS5421205B2 |
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JPS5420961B2 |
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JPS5419881B2 |
1463116 Purifying lubricating oil TEXACO DEVELOPMENT CORP 6 Feb 1974 [25 April 1973] 05561/74 Heading C5E The viscosity index of a lubricating oil other than an aromatic-rich extract is improved by contact with hydrogen and carbon monoxi...
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JPS5419230B1 |
1,213,913. Calcined hydrogels. AMERICAN CYANAMID CO. 11 June, 1968 [10 July, 1967], No. 27686/68. Addition to 1,094,360. Heading C1A. [Also in Division B1] Catalysts are prepared by the addition of an emulsion of a petroleum fraction hav...
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JPS5479196A |
Disclosed is a process for hydrotreating hydrocarbon feedstocks and for recovering from the resulting effluent stream selected hydrocarbon fractions, and hydrogen for recycle and other uses with improved purity. Relatively pure hydrogen ...
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JPS5475490A |
The present invention relates to hydrogenation and hydroformylation catalysts based on a binuclear rhodium complex having the formula: wherein X and X' can be the same or different; when X and X' are the same they are organic tertiary ph...
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JPS5412437B2 |
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JPS549203B1 |
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JPS547803B1 |
1332734 Catalyst composition UNIVERSAL OIL PRODUCTS CO 19 April 1971 [2 March 1970] 22704/71 Heading B1E [Also in Division C5] A catalyst composition comprises a platinum group metal component, a nickel component, a porous carrier materi...
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JPS546990B1 |
An improved process for charging a solid catalyst, such as an extruded catalyst, to a fixed bed reactor by charging the catalyst at a rate of fill of the reactor of up to about 17 inches per minute and in a manner such that the average o...
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JPS5433890A |
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JPS541722B1 |
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JPS53141305A |
A process for the treatment of hydrocarbon feed streams wherein said hydrocarbon feed streams are contacted with a catalyst at a temperature and pressure and under conditions sufficient to effect the desired change in the hydrocarbon fee...
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JPS5345321B1 |
1277616 Automatic level control UNIVERSAL OIL PRODUCTS CO 2 Sept 1969 [11 Sept 1968] 43371/69 Heading G3R [Also in Division C5] In a chemical process a fluid mixture is combined with a gaseous reactant, heated and passed through a conver...
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JPS5340201B2 |
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JPS5336487B2 |
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JPS5336486B2 |
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JPS5334196B1 |
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JPS5328393B2 |
Catalysts particularly useful for hydroreforming and isomerization of hydrocarbons formed of a refractory mineral oxide carrier having a halogen in combined form and the following metals in free or combined state: (a) A metal from the pl...
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JPS5328149B2 |
Improved distribution of the tin component of a hydrocarbon conversion catalyst also containing a Group VIII noble metal and halogen on a carrier is obtained by impregnation of the carrier with a solution of an acid amide or derivatives ...
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JPS5325314B2 |
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JPS5321403B2 |
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JPS5319003B2 |
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JPS5313196B2 |
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JPS539574B2 |
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JPS538318B2 |
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JPS5331588A |
An improved spherical hydroconversion catalyst is disclosed having a diameter greater than 6 mm, a surface area above 200 m2/gm, and a crush strength above 31.7 kg. Mineral oils are hydroconverted with the alumina supported catalyst comp...
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JPS536643B2 |
1420248 Hydrodesulphurization of heavy oils UOP Inc 11 May 1973 [12 May 1972] 22493/73 Heading C5E A black oil charge stock 1 is catalytically reacted with hydrogen at 3 and the effluent 4 is separated at 5, at substantially the same tem...
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JPS5316708A |
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JPS5316707A |
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JPS5248601B2 |
Continuous process for converting hydrocarbons in the presence of a granular catalyst including a metal from group VI a, VII a or VIII, deposited on a carrier, comprising passing a charge of hydrocarbons with hydrogen through a series of...
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JPS52142689A |
This invention relates to a method for making supported nickel catalysts which are characterized as having the nickel in a highly dispersed state, the catalysts and use thereof in hydrogenation, reforming and hydrocarbon synthesis reacti...
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JPS5244755B2 |
A method of removing a catalyst used for catalytic reactions of hydrocarbons from a reaction system for exchange or otherwise comprising treating the catalyst with water or a mineral oil in the presence of a surface active substance or b...
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JPS5243845B2 |
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JPS5243637B2 |
A process for converting a hydrocarbon charge stock into lower boiling, normally liquid hydrocarbon products which comprises reacting said charge stock and hydrogen at hydrocracking conditions in contact with a catalyst comprising an alu...
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