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JPH0144753B2 |
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JPH0144751B2 |
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JPH0139716B2 |
A process and system for vaporizing heavy oil prior to thermal cracking to olefins, by flashing with steam in first mixer, superheating the vapor, and flashing in second mixer the liquid from first mixer.
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JPH0138433B2 |
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JPH0138434B2 |
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JPH0137436B2 |
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JPH01502199A |
(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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JPH0135874B2 |
Hydrotreating and hydrocracking of heavy residual stocks are improved with respect to conversion, product distribution, product quality and system operability by mixing with the heavy charge a substantial proportion of an aromatic light ...
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JPH01170689A |
PURPOSE: To convert the high boiling point fraction of heavy oil into more valuable ligher fractions by passing a heavy oil having a low content of asphaltenic constituants together with a hydrogen containing gas stream through a specifi...
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JPH01104691A |
PURPOSE: To obtain a light liquid product at a high yield by passing a high-temp. vaporous product obtd. coking heavy hydrocabonaceous oil through a microfilter device of a uniform pore size to filter the oil, recirculating the filtered ...
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JPH01101392A |
PURPOSE: To efficiency carry out a hydrogenation treatment by filtering a scrubber bottom, capturing a solid loading part and solid filtrate as a product stream and recirculating the filtered solid to a coking zone. CONSTITUTION: Heavy d...
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JPH01101393A |
PURPOSE: To efficiently obtain a light duty hydrocarbon by subjecting a Conradson carbon-contg. hydrocabonaceous material to a coking treatment under specific conditions, then filtering and separating a heavy duty oil fraction, recircula...
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JPS6469693A |
PURPOSE: To conduct coal liquefaction in a simple manner with an improvement in the percentage formation of an effective oleaginous component, by heat treating in an inert or reducing atmosphere a hydrogenation product of coal comprising...
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JPS642422B2 |
Residual oil fractions are upgraded in that CCR is selectively removed without undue hydrogen consumption by hydroprocessing with a catalyst comprises a single metal such as molybdenum, tungsten, nickel, iron or palladium or multimetalli...
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JPS63258984A |
A process for hydrocracking 343 DEG C <+> feed containing polycyclic aromatics to form a lube base stock having enhanced oxidation stability and viscosity index is disclosed. The hydrocracking catalyst is a layered silicate, such as maga...
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JPS6345437B2 |
A combination slurry hydroconversion, coking and coke gasification process is provided wherein solid fines having an average particle size of less than 10 microns in diameter or the ashes thereof recovered from a gaseous product derived ...
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JPS63165485A |
Process for the manufacture of kerosene and/or gas oil(s) wherein a hydrocarbon feedstock is catalytically treated in the presence of hydrogen at elevated temperature and pressure and wherein the material obtained is subjected to a disti...
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JPS63161072A |
A moderate pressure hydrocracking process in which a highly aromatic, substantially dealkylated feedstock boiling between 149 and 343 DEG C (300 DEG C and 650 DEG F) is processed directly to high octane gasoline by hdrocracking over a ca...
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JPS63161073A |
Process for the manufacture of lubricating base oils (8A, 8B, 8C, 8D) wherein a hydrocarbon feedstock is catalytically treated (10) in the presence of hydrogen at elevated temperature and pressure and wherein at least part of a heavy fra...
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JPS6328477B2 |
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JPS6324033B2 |
A petroleum refinery vacuum residuum stream is subjected to hydrogen donor diluent cracking, the liquid cracking effluent is hydrodesulfurized, the hydrodesulfurizer effluent is fractionated, and the fractionator bottoms stream is fed to...
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JPS637239B2 |
Process for upgrading an olefinic C4 cut issued from a cracking or steam cracking unit, comprising subjecting said cut to isomerization conditions so as to convert at least 80% of its 1-butene content to 2-butenes, subjecting the so-trea...
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JPS62184094A |
A multibed hydrodewaxing process and apparatus for hydrodewaxing a hydrocarbon feedstock is disclosed. A two-phase mixture of H2 and liquid hydrocarbon passes through a series of spaced catalyst beds. Reaction vapors, containing olefins,...
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JPS6224477B2 |
of the Invention A slurry of particulate carbonaceous material such as coal and a liquid hydrocarbon solvent formed from liquefaction of the carbonaceous material in the presence of hydrogen are combined with hydrogen in a liquefaction z...
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JPS62106994A |
A process for preparing synthetic lubricating materials which process comprises: a) reacting a C6- and/or C8- olefin component containing fraction with a linear olefin reactant having an average carbon number ranging from 10 to 18 in t...
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JPS623198B2 |
Heavy hydrocarbon oils are converted into light hydrocarbon oils by two-stage process wherein, in the first stage, a heavy hydrocarbon oil is subjected to thermal cracking conditions and, in the second stage, the product of the thermal c...
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JPS6160879B2 |
A process and system for vaporizing heavy oil prior to thermal cracking to olefins, by flashing with steam in first mixer, superheating the vapor, and flashing in second mixer the liquid from first mixer.
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JPS6158513B2 |
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JPS6154838B2 |
K 5380 Process for the preparation of atmospheric hydrocarbon oil distillate(s). A vacuum residue is catalytically hydrotreated. The hydrotreated product is separated by distillation into atmospheric distillate(s) and a residue. At least...
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JPS6154079B2 |
A process is provided for selectively polymerizing isobutene in an olefinic C4 cut comprising isobutene and normal butenes by contacting the cut with a catalyst consisting essentially of silica-alumina; whereby at least 90% of the isobut...
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JPS61250091A |
@ An improved process for liquefying solid carbonaceous materials wherein the solid carbonaceous material is slurried with a suitable solvent and then subjected to liquefaction at elevated temperature and pressure to produce a normally g...
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JPS6150997B2 |
An improved process for producing low pour point, high VI synthetic oils from feedstocks containing wax and residual olefinic unsaturation, said feedstocks having been obtained by thermal, non-catalytic polymerization of linear, C6-C20 c...
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JPS6138234B2 |
Process for producing butane and gasoline of high isooctane content, from a C4 olefin cut issued from a steam cracking unit, comprising the steps of: polymerizing at least 90% of the isobutene of the cut mainly to dimers and trimers ther...
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JPS6129398B2 |
In a process for the thermal cracking of hydrocarbons to produce olefins, improvement of recovering hydrocarbons boiling above 200 DEG C. from the thermal cracking stage, preferably removing polymeric components therefrom, catalytically ...
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JPS61127789A |
Process for the preparation of gasoline by subjecting a mixture of hydrocarbon oils boiling above the gasoline range to catalytic cracking, which mixture comprises a first hydrocarbon oil having a Conradson carbon test value C (in %w) su...
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JPS61120896A |
PURPOSE: To obtain the title base oil with excellent oxidation stability by the nuclear hydrogenation of hydrocarbon oil obtd. by hydro (thermally) cracking a coal-base raw material such as coal tar (pitch) or coal liquid. CONSTITUTION: ...
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JPS6121986B2 |
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JPS6121161B2 |
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JPS6121278B2 |
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JPS6121277B2 |
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JPS618869B2 |
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JPS618870B2 |
A fresh charge containing aromatic hydrocarbons is hydrotreated in admixture with a recycle fraction, in the presence of a bifunctional catalyst, a portion of the effluent is subjected to steam-cracking, thereby recovering a gas oil frac...
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JPS618120B2 |
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JPS6147794A |
PURPOSE: To produce petrochemical products such as olefins, aromatic hydrocarbons, etc. in high yield in high seletivity, by cracking catalytically light hydrocarbons, and cracking thermally prepared cracked oils in the presence of steam...
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JPS614871B2 |
CATALYTIC CRACKING OF METAL-CONTAMINATED OILS Metal-contaminated oils, including mildly hydrotreated residual oils, are catalytically cracked in the absence of added hydrogen in a fluid catalytic cracking process wherein the regenerated ...
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JPS61876B2 |
process for producing a pitch is disclosed. The process involves distilling a heavy petroleum oil under reduced pressure to obtain a distillate, the distillate is hydrogenated to obtain a hydrogenated oil which is subjected to catalytic ...
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JPS61877B2 |
A process for producing a pitch used as a raw material for producing carbon fibers is disclosed. The process comprises the steps of carrying out catalytic cracking of a hydrogenated residual oil prepared by hydrogenation treatment of a p...
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JPS60235891A |
PURPOSE: To obtain petrochemicals in high yields with good productivity, by thermally cracking raw hydrocarbons, catalytically hydrogenating the formed cracked petroleum and thermally cracking the hydrogenated cracked petroleum at a temp...
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JPS6052532B2 |
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JPS60199097A |
PURPOSE: To obtain improved storage stability more economically for a long period, by bringing a specific hydrocarbon cracked distillate oil (or a feedstock oil containing the same) into contact with a specific Ni-Mo based catalyst in a ...
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