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JP02222490 |
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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JP02212594 |
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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JP02204905 |
PURPOSE: To obtain an excellent electrically insulating oil which can be used as a substitute for PCB by separating and recovering benzene, toluene and xylene from a product which is obtained by hydrodealkylation of a hydrocarbon oil con...
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JP02153991 |
PURPOSE: To provide a high quality white oil product with a single reaction process by bringing a heavy alkylate raw material into contact with a hydrogenation catalyst containing a platinum group metal component carried on a heat resist...
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JP02152933 |
PURPOSE: To obtain odorless isoparaffin solvents having low ultraviolet absorption and a light lubricating oil by subjecting a B-B fraction to oligomerization in the presence of a catalyst, primarily hydrogenating and desulfurizing a pol...
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JP02075698 |
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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JP02067397 |
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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JP02041391 |
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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JP01284587 |
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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JP01279848 |
PURPOSE: To obtain a 3C or lower fuel gas and a 4C or higher feed stream by supplying a monoolefin feed stream and an isoparaffin feed stream from a selective-hydrogenation apparatus and a circulating stream from an HF stripper to a mult...
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JP01259089 |
PURPOSE: To obtain a middle cut having high added value without necessitating the treatment of exhaust gas, by adsorbing and removing impurities from the light fraction of thermally cracked heavy oil, oligomerizing the purified fraction,...
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JP01259087 |
PURPOSE: To provide a lubricating base oil having a high viscosity index and a low pour point by contacting as feedstock, which contains the hydrocrackate of a wax-containing mineral oil fraction, with a catalyst under dewaxing condition...
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JP01247490 |
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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JP01170689 |
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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JP01165692 |
PURPOSE: To obtain a gasoline distillate in a high yield by hydrocracking the vacuum distillate oil of a heavy hydrocarbon oil, catalytic cracking the bottom oil obtained by distillation and isolating a light hydrocarbon oil distillate. ...
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JP01152188 |
PURPOSE: To manufacture a fuel oil having excellent hue stability during storage, by hydrogenating a light to heavy oil fraction produced through fluid catalytic cracking of heavy oil, and incorporating specified sulfide compounds into t...
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JP01104691 |
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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JP01103697 |
PURPOSE: To obtain a cracked oil having excellent heat and storage stability and being free from sludge formation, by conducting catalytic hydrogenation of a particular cracking product obtd. by thermal cracking of a high-boiling hydroca...
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JP01101392 |
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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JP01101393 |
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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JP01069693 |
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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JP01054094 |
PURPOSE: To obtain the title fuel which exhibits improved combustibility over that of a fuel oil, by partially oxidizing a particular compsn. oil obtd. by hydrogenating a light cycle oil etc. obtd. by fluid catalytic cracking of a heavy ...
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JP63291985 |
PURPOSE: To obtain a refined oil having a composition characterized by a specific ring analysis value and suitable as a diesel engine oil having high cetane number, by hydrogenating a fraction of a specific boiling point range and produc...
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JP63241096 |
PURPOSE: To treat the title fraction efficiently and economically, by hydrogenating in the presence of a hydrogenation catalyst a fraction contg. kerosene and gas oil fractions obtd. by low polymn. in the presence of a solid acid catalys...
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JP63168491 |
PURPOSE: To obtain the title fluid having excellent performance at low cost, by reacting a specified fraction obtained by the thermal cracking of petroleum- base hydrocarbons to give a reaction product having a boiling point in a specifi...
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JP62277491 |
PURPOSE: To obtain pitch for carbon fiber, by heat-treating heavy oil, etc., free from quinoline-insoluble component, distilling the treated oil, heat-treating the resultant pitch having high softening point, distilling the pitch and hea...
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JP62054790 |
PURPOSE: To remove iron contained in an oil with high efficiency as with large treating capacity, by treating an iron-contg. mineral oil fraction derived from petroleum with a high gradient magnetic separator. CONSTITUTION: A mineral oil...
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JP61163991 |
PURPOSE: To continuously produce a pitch for use as a raw material of a carbon fiber by heat treating a raw aromatic oil to convert it into a pitch and subjecting the pitch to thermal decomposition treatment with control of the mesophase...
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JP61120896 |
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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JP61097035 |
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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JP61095091 |
PURPOSE: Heavy hydrocarbon oil is rapidly heated, pyrolyzed, then subjected to hydrogenolysis in the presence of a catalyst to give high oil from which contaminants such as sulfur, nitrogen, metals and asphalten are removed with high sta...
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JP61069888 |
PURPOSE: To produce super-needle coke which has low electric resistance and expansion coefficient and is uniform in quality, by hydrogenating raw material coal tar, removing non-volatile matters and coking the resultant raw material for ...
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JP61047794 |
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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JP60235891 |
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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JP60199097 |
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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JP60152594 |
PURPOSE: To make it possible to remove sulfur efficiently in the subsequent solvent deasphalting step, by adjusting asphalten or Conradson carbon residue content of residual oil from a direct desulfurizer to a predetermined level in a di...
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JP60123591 |
PURPOSE: To economically obtain titled compounds in high yield useful as petrochemical raw materials, by pyrolysis of heavy hydrocarbon in the presence of hydrogen, etc. followed by eliminating high-boiling point matter then performing p...
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JP60071687 |
PURPOSE: To improve the yield of light oil and the useful compounds such as naphthalene, etc. contained therein, by hydrocracking a coal-based heavy oil in the presence of a catalyst, and keeping the liquid product obtained by cracking a...
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JP60065092 |
PURPOSE: To remove metal advantageously from oil sand oil, residual oil or thermal cracking oil and prevent poisoning of catalyst in a subsequent hydrogenation process, by performing metal removal of oil sand oil, etc. under specified co...
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JP60035090 |
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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JP60031594 |
PURPOSE: To obtain a gasoline fraction efficiently, by hydrogenating distillation residual oil deasphalted by solvent extraction process and performing fluid catalytic cracking of a mixt. of the hydrogenated residual oil with a light oil...
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JP60011585 |
PURPOSE: To produce petrochemicals selectively with a good yield, by feeding methane, hydrogen and high boiling hydrocarbon into a high temp. gas obtained by burning hydrocarbon in the presence of steam and performing thermal cracking of...
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JP60011584 |
PURPOSE: To produce petrochemicals selectively with a good yield, by feeding H2 and high boiling hydrocarbon into a high temp. gas obtained by burning hydrocarbon in the presence of steam and performing thermal cracking of the gas. CONST...
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JP59172588 |
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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JP59168091 |
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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JP59152992 |
PURPOSE: To obtain olefins from hydrocarbons in high yield, by preparing a steam-containing high-temperature gas by the use of hydrocarbons, using the gas as a heat source, feeding methane and hydrogen to the gas, decomposing thermally h...
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JP59147084 |
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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JP59122585 |
PURPOSE: The titled high-quality coke having reduced thermal expansion phenomena (puffing) without deteriorating a coefficient of reversible thermal expansion during graphitization, by coking a coal tar raw material which is hydrogenated...
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JP58214531 |
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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JP58120694 |
PURPOSE: To obtain a raw material pitch for preparing carbon fibers having a high elasticity, by catalytically cracking a residual oil after the hydrogenation of petroleum residual heavy oil, etc., collecting a specific high-boiling frac...
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