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JPS6041113B2 |
A process is disclosed for catalytically hydroconverting asphalt in a first reactor in the presence of a hydrogenated middle distillate and hydrogen under conditions effecting both hydroconversion of the asphalt and dehydrogenation of sa...
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JPS6037157B2 |
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JPS60112885A |
In a process for converting methanol and/or dimethyl ether into heavy hydrocarbon products, especially distillate range hydrocarbons, the feedstock is converted in a first stage into lower olefins and byproduct aromatics are passed throu...
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JPS6014070B2 |
PURPOSE:To carry out the hydrogenation heavy hydrocarbons without deterioration of catalytic activity, by the use of a composite catalyst composed of three components comprising a clay mineral having a double-chain structure and composed...
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JPS607678B2 |
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JPS6035090A |
PURPOSE: To obtain adventageously high-grade gas oil, deasphalted oil, etc., by hydrogenating heavy mineral oil to recover light distillates, thermally cracking the residual oil to recover gas oil distillate and deasphalting the residue ...
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JPS59199793A |
A PROCESS FOR THE PRODUCTION OF LOW-ASPHALTENES HYDROCARBON MIXTURES Deasphalted oils and distillates are produced from asphaltenes-containing hydrocarbons by two-step solventdeasphalting (yielding a high quality DAO-1, a DAO-2 of lower ...
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JPS59172588A |
PURPOSE: To prepare a gaseous olefin and a monocyclic aromatic hydrocarbon economically with high yields, by removing high boiling substance from a product of thermal cracking heavy hydrocarbon oil in the presence of hydrogen, hydrogenat...
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JPS59168091A |
PURPOSE: To produce olefin selectively together with synthetic gas with high yields and with reduced coking, by burning hydrocarbon with a small amount of oxygen in the presence of steam and supplying the formed CO/H2 gas with methane. C...
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JPS59168090A |
A process for converting, into lighter viscosity products, heavy fractions from petroleum or other hydrocarbon refining, e.g. asphaltenes; catalysts especially suitable therefor and a process for this conversion have been disclosed; by f...
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JPS59164601A |
Carbon content of vent and purge gases from hydrotreating is included as charge to synthesis gas generation with resulting efficiencies including decreased need for steam moderation and increased conversion of charge to desired product.
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JPS59147084A |
PURPOSE: After the pyrolysis of heavy hydrocarbons combined with a coking inhibitor in the presencke of hydrogen, the high-boiling fraction is removed, hydrogenation is effected in the presence of a hydrogenation catalyst, the gaseous pr...
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JPS5931560B2 |
Synthetic hydrocarbon lubricating oils with very low pour points and low viscosities are produced by polymerizing alpha-olefins of from 5 to 20, preferably 10 to 14 carbon atoms, at temperatures in the range of 300.degree. to 800.degree....
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JPS5931559B2 |
Residual hydrocarbons stocks obtained after atmospheric distillation are converted into light distillates by certain sequences of processing steps including catalytic cracking, high and low pressure catalytic hydrotreatment, deasphalting...
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JPS5920713B2 |
Oligomerizing propylene using a Friedel Crafts catalyst at a temperature in the range -10 DEG to 80 DEG C and hydrogenating the oligomer so obtained to produce oils useful as hydraulic fluids.
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JPS5964693A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS5959788A |
Low-molecular weight olefins from heavy hydrocarbons are obtained with a hydrogenating pretreatment and a subsequent thermal cracking of at least a portion of the hydrogenated product. In the first stage, the polyaromatic content of a fi...
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JPS5958089A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS5911635B2 |
Improved catalytic dewaxing and desulfurization of high pour point, high sulfur gas oils to lower their pour point to about 10 DEG F or lower and their sulfur content by contacting a high pour point gas oil first with a ZSM-5 type zeolit...
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JPS5924790A |
Deasphalted oils and- hydrocarbon oil distillates are produced from asphaltenes-containing hydrocarbon mixtures by a process comprising converting an asphaltenes-containing hydrocarbon mixture using a catalytic hydrotreatment into a prod...
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JPS592319B2 |
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JPS5857470B2 |
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JPS5857471B2 |
The invention relates to an integrated process for the production of normally gaseous olefins, starting from a petroleum residue.
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JPS58214531A |
PURPOSE: To make it possible to obtain a pitch having improved spinning property, by using a hydrogenated condensed bi- or polycyclic aromatic compound as a solvent in a hydrogenating step of a heavy bituminous material. CONSTITUTION: 10...
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JPS58201889A |
Distillates are prepared from asphaltenes-rich feeds by a process comprising subjecting the feed to thermal cracking, and subjecting the distillation residue of the cracked product to a combination of solvent deasphalting and catalytic h...
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JPS5850675B2 |
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JPS58183790A |
A process is disclosed for the dealkylation of durene resulting from a methanol to gasoline conversion by contacting a durene-containing fraction with zeolite ZSM-12 at elevated temperatures and pressures.
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JPS58173191A |
De asphalted oils and distillates are produced from asphaltenes-rich hydrocarbon mixtures (101; 201) by a process comprising subjecting the feed to thermal cracking (105; 205) and subjecting the resultant-heavy fraction (104; 204) to a c...
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JPS58173190A |
Deasphalted oils and distillates are produced from asphaltenes-rich hydrocarbon mixtures by a process comprising either a catalytic hydrotreatment followed by solvent deasphalting and thermal cracking, or a catalytic hydrotreatment prece...
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JPS58168688A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS58149989A |
A multi-zone fluidized bed hydrocarbon conversion process and apparatus for producing gas and distillable liquid products from heavy hydrocarbon feedstocks. The feedstock is introduced into an upper fluidized bed primary cracking zone ma...
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JPS58141288A |
Distillates are prepared from asphaltenes-rich feeds by a process comprising subjecting the feed to solvent deasphalting, and subjecting the resulting asphaltic bitumen fraction to a combination of catalytic hydrotreating and thermal cra...
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JPS5829991B2 |
A petroleum distillate feed is upgraded and a substantial C3-C4 olefin product fraction produced by contacting the feed with H-ZSM-5 zeolite at (1) a temperature in the 500 DEG -800 DEG F. range, (2) a pressure below about 13 atmospheres...
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JPS58104994A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS5898387A |
PURPOSE: To directly prepare a gaseous olefin and a monocyclic aromatic hydrocarbon from crude oil by hydrogenating the crude oil in the presence of a hydrogenation catalyst followed by thermal cracking. CONSTITUTION: Crude oil is hydrog...
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JPS5824472B2 |
An integrated process for hydroconverting and steam cracking hydrocarbons is disclosed, comprising hydroconverting (particularly hydrodesulfurizing) a hydrocarbon to produce a hydroconverted hydrocarbon and heat; generating steam, using ...
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JPS5822504B2 |
PURPOSE:To modify heavy oil by a simple device efficiently, by discharging electricity from electrodes of specific metals, hydrogenating heavy oil in the electric field, and linking oxygen or ozone to the heavy oil in an ozone evolving t...
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JPS5821676B2 |
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JPS5869290A |
Residual oils from steam-cracking or catalytic cracking, oils from coal liquefaction and oils from bituminous sands and shales are converted to gasoline by a process comprising the fractionation of the feed charge to a naphtha and a midd...
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JPS5813694A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS582998B2 |
A heavy hydrocarbon stream containing metals, asphaltenes, nitrogen compounds, and sulfur compounds is (a) contacted with hydrogen and a hydrotreating catalyst containing molybdenum and chromium, either as metals, as oxides, as sulfides,...
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JPS588787A |
Process for the production of a liquid effluent comprising at least 75% of aromatic hydrocarbons from a naphtha feed charge of high sulfur, nitrogen or oxygen content; said process comprises two steps: (a) hydrotreatment of the charge to...
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JPS585393A |
PURPOSE: To obtain an olefin and a monocyclic arom. hydrocarbon in high yields and a by-product heavy fuel oil in low yields from heavy oil, by thermallly cracking in the presence of steam a liquid component obtd. by hydrogenating the he...
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JPS581160B2 |
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JPS57212294A |
PURPOSE: Heavy hydrocarbon oil is subjected to catalytic hydrogentation treatment in the presence of a catalyst and the resultant liquid component is pyrolyzed in the presence of steam to inhibit the formation of heavy fuel as a by- prod...
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JPS5761308B2 |
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JPS5761074B2 |
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JPS5757074B2 |
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JPS5747233B2 |
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JPS57159884A |
PURPOSE: To reduce a necessary catalyst amount, by a method wherein the catalyst particle withdrawn from a fluidized cat cracker is sent to a high magnetic force magnetic separator to be separated into a magnetizable catalyst particle an...
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