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JPH0452316B2 |
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JPH04227792A |
PURPOSE: To refine a heavy slurry oil fraction at good efficiency by dispersing catalyst fines in a feed oil, passing the mixture through a hydrovisbreaker to lower the viscosity, separating the effluent into higher and lower boiling fra...
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JPH0444362B2 |
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JPH0437873B2 |
A process for an efficient preparation of a mesophase pitch is disclosed. The process is suitable for the production of high performance carbon fibers, from a coal tar or a petroleum residual oil. More particularly, the present invention...
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JPH04132794A |
PURPOSE: To simply obtain a light hydrocarbon oil distillate by applying hydrocracking operation to a first hydrocarbon oil fraction and subsequently applying catalytic cracking operation to a second hydrocarbon oil fraction and separati...
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JPH0423678B2 |
A hydrocarbon conversion process is disclosed having a very high selectivity for dehydrocyclization. In one aspect of this process, a hydrocarbon feed is subjected to hydrotreating, then the hydrocarbon feed is passed through a sulfur re...
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JPH0422200B2 |
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JPH0421717B2 |
A thermal cracking process for selectively producing petrochemical products from hydrocarbons which comprises the steps of: burning hydrocarbons with oxygen in the presence of steam to produce a hot gas of from 1300 to 3000°C comprising...
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JPH04110394A |
PURPOSE: To produce gasoline having a high octane value and low in sulfur content and diesel fuel of improved quality at the same time by hydrogenating cycle oil separated after catalytic cracking and subjecting the hydrogenated oil to h...
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JPH0416512B2 |
A thermal cracking process for producing petrochemical products from hydrocarbons which comprises the steps of: burning hydrocarbons with oxygen in the presence of steam to produce a hot gas of from to 1300 to 3000°C comprising steam; f...
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JPH0413397B2 |
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JPH0412318B2 |
An unsaturated C5 fraction comprising at least 10% of a mixture (A) of 2-methyl-1-butene with 2-methyl-2-butene and optionally isoprene and at least 10% of a mixture (B) of other mono-olefins and diolefins is hydrogenated under controlle...
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JPH045711B2 |
An aromatic gasoline component is prepared in a multistep petroleum refining process starting with a heavy carbometallic petroleum fraction which is catalytically cracked to yield a light catalytic cycle oil which, in turn, is mildly hyd...
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JPH04500231A |
PCT No. PCT/BE90/00028 Sec. 371 Date Mar. 22, 1991 Sec. 102(e) Date Mar. 22, 1991 PCT Filed Jun. 8, 1990 PCT Pub. No. WO90/15121 PCT Pub. Date Dec. 12, 1990.Process for producing gasolines having improved RON and MON which consists in su...
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JPH0380059B2 |
PURPOSE:To maintain the catalytic activity for a long period by depositing a specified amt. of Mo as a catalystic component and a specified amt. of one or both of Ni and Co on a carrier of a porous inorg. oxide consisting essentially of ...
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JPH0359112B2 |
A continuous process of producing carbonaceous pitch, including heat-treating an aromatic heavy oil for obtaining a first cracked product, and thermally cracking the first product in a cracking zone by direct contact with a gaseous heat ...
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JPH03503064A |
An improved olefin upgrading technique has been developed for increasing production of premium heavy hydrocarbons, such as distillate fuel, from lower olefinic feedstock. During recovery and recycle of intermediate range hydrocarbons pro...
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JPH03437B2 |
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JPH0258316B2 |
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JPH0258315B2 |
A process for selectively converting adsorbable hydrocarbon feeds containing straight-chain and slightly branched-chain hydrocarbons to olefins by contacting the feeds with crystalline silicates.
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JPH0257593B2 |
Middle distillate hydrocarbons are produced from feed mixtures of carbon monoxide and hydrogen by contacting said feed at elevated temperature and pressure in a first stage with certain impregnated catalysts and contacting at least the m...
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JPH0257596B2 |
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JPH02283794A |
PURPOSE: To obtain a polyolefin lubricant excellent in flowability, viscosity characteristics, low-temp. properties, etc., at a low cost by separating a linear olefin component from a sulfur-contg. coker distillate feed material obtd. by...
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JPH0251954B2 |
A reforming process is disclosed which comprises contacting a sulfur-containing hydrocarbon material in at least one scavenging or sulfur removal zone with at least one manganese-containing composition at conditions to remove at least a ...
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JPH0250154B2 |
Described is the method of producing the super needle coke from graphite electrodes, wherein the starting material derived from coal tar or the starting material derived from coal tar and containing less than 0.1 weight percent of the dr...
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JPH02261540A |
PURPOSE: To increase the rates of desulfurization, denitrification and metal removal by supporting a specified amt. of metallic elements belonging to the groups VIII and VIB of the periodic table on a carrier consisting of specified amts...
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JPH0244873B2 |
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JPH02247297A |
PURPOSE: To obtain a new lubricating base oil with high aromaticity while keeping a high viscosity index, by bringing a lubricating oil feeding raw material with a high viscosity index into contact with a dehydrogenation catalyst. CONSTI...
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JPH0244355B2 |
Thermal cracking method for producing olefines (17) from hydrocarbons (7). A hydrocarbon fuel (1) is burnt with oxygen (3) in the presence of steam (5) to generate a high-temperature gas containing steam (6) of 1500-3000 DEG C. Methane a...
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JPH02229890A |
PURPOSE: To obtain a lubricating oil with a high viscosity index in a high yield by reacting an oligomer prepd. on a specific zeolite with an α-olefin, removing low-boiling substances from the resultant product, and hydrogenating the re...
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JPH02225593A |
PURPOSE: To produce gasoline having a low benzene content and a high octane value by mixing an alkylated fraction obtained by reacting a light fraction with cracking gas in the presence of a specified catalyst with a heavy fraction. CONS...
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JPH02222490A |
PURPOSE: To efficiently perform the coking of hydrocarbon by coking a Conradson carbon-containing raw material and subsequently separating a heavy bottom fraction from the obtained product to hydrogenate the same and separating a formed ...
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JPH02212594A |
PURPOSE: To obtain an olefinic unsaturated substance and an intermediate fraction in a high ratio by bringing a hydrocarbon feedstock subjected to hydrogenating (pyrolyzing) treatment into contact with a zeolite catalyst under a specific...
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JPH0237390B2 |
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JPH0237384B2 |
Oil with a pentane asphaltenes content lower than 0.2% (e.g. deasphalted oil or vacuum flash distillate) is hydrotreated to prepare a feed for a catalytic cracking process having a Ramsbottom Carbon Test value (RCT) lower than 5%, a nick...
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JPH0236638B2 |
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JPH0275698A |
PURPOSE: To improve an octane value of gasoline and a smoke point of kerosene by using light gravity gasoline as an aromatic hydrocarbon re-extraction assisting solvent. CONSTITUTION: A hydrocarbon feed material with a final boiling poin...
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JPH0267397A |
PURPOSE: To obtain the title fluid having a lowered pour point and improved in both kinematic viscosity and viscosity index by alkylating benzene with an olefin in the presence of an HF catalyst and recovering HF from a catalyst phase se...
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JPH0241391A |
PURPOSE: To improve FCC conversion ratio and gasoline yield by applying contact cracking to product obtained by hydrogen treating of specific hydrocarbon stock oil in specific conditions of high temperature and high pressure. CONSTITUTIO...
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JPH01284587A |
PURPOSE: To enhance conversion of olefin and a selecting ratio of liquid olygomer by recycling a specific cut of an effluent obtained by bringing an olefin-containing feed into contact with a solid olygomer catalyst in an olygomerization...
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JPH0150271B2 |
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JPH0150272B2 |
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JPH0148314B2 |
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JPH0148315B2 |
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JPH0148313B2 |
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JPH0148312B2 |
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JPH0145516B2 |
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JPH01247490A |
PURPOSE: To improve viscosity and to lower a pour point without considerably changing a viscosity index by processing an oily liquid polymer obtained by means of polymerizing 1-olefin in the presence of BF3 and a promoter with an organic...
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JPH0144752B2 |
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JPH0144750B2 |
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