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JPS57151692A |
An improved process for stabilizing catalytically dewaxed hydrocracked lubricating oils to ultraviolet radiation using a nickel-tin catalyst is disclosed.
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JPS5796087A |
A C4 cut is upgraded according to the following steps: (a) the dried C4 cut is polymerized in the presence of fluorinated alumina, boron-alumina or silica-alumina, to convert at least 95% of isobutene to dimers and trimers, the conversio...
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JPS5727152B2 |
PURPOSE:To convert a heavy hydrocarbon oil to a highly value-added hydrocarbon oil and thereby to reduce or remove asphaltene, heavy metals, sulfur, etc., by hydrotreating the heavy hydrocarbon oil with a catalyst comprising a specified ...
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JPS5780484A |
This invention provides a method for coprocessing of residual oil and coal which in one embodiment involves the steps of (1) visbreaking a slurry of heavy hydrocarbon oil and finely divided coal; (2) deasphalting the visbroken admixture ...
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JPS5761084A |
PURPOSE: To prevent a catalyst from being deactivated and to obtain light liquefied coal oil efficiently, by a method wherein a secondary hydrogenation-liquefaction reaction is carried out by dividing the reaction stage into a stage of h...
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JPS5734191A |
PURPOSE: To perform with good operation stability hydrogenation of an olefin produced by the thermal cracking of heavy oil and to reduce energy cost required, by controlling operation temp. by the circulation of part of used gas. CONSTIT...
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JPS5730791A |
PURPOSE: To economize the amount of catalyst in the fluid catalytic cracking of heavy oil hydrogenated under specific conditions, by extracting a part of the fluidized catalyst, separating the catalyst to the magnetizable part and the no...
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JPS5730788A |
PURPOSE: To economize the catalyst in the catalytic cracking of heavy petroleum oil, by separating the magnetizable particles coated with metals deposited from the heavy petroleum oil by the catalytic cracking and the nonmagnetizable par...
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JPS577199B2 |
Normally gaseous olefins are produced from an atmospheric petroleum residue feedstock by:
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JPS573720B2 |
1461131 Synthetic oils SNAMPROGETTI SpA 11 March 1974 [12 March 1973] 10830/74 Heading C5E Synthetic oils are made by thermally cracking an n-alpha-olefim polymer, having a viscosity of 250-15,000 cSt at 210‹ F and a boiling point abov...
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JPS573717B2 |
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JPS56157490A |
Gas oil 1 is hydroprocessed at 4 to remove sulphur and/or nitrogen and then subjected to catalytic cracking at 10 under conditions which produce at least 0.15 wt percent of hydrogen in the cracked product 11, this hydrogen produced, is u...
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JPS56131690A |
Catalytic cracking or steam cracking effluents are desulfurized without substantial decrease of their octane number by subdividing said effluent into two fractions of different boiling ranges, the heavier of which is admixed with hydroge...
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JPS5628957B2 |
1419260 Hydrocarbons; hydrocracking PIERREFITTE-AUBY 19 Dec 1972 [21 Dec 1971 24 Oct 1972] 58514/72 Heading C5E A hydrocarbon feed is cracked to olefines in the presence of hydrogen and in the absence of bromine at a pressure between 10 ...
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JPS5676488A |
Olefins and liquid mononuclear aromatic hydrocarbons (BTX) can be produced by catalytically hydrogenating a cut of a coal-drived oil which has a major proportion of naphthenes to a product which is substantially completely saturated, opt...
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JPS5661483A |
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JPS5649793A |
A catalytic process for hydrocracking C5+ hydrocarbons or mixtures thereof into a C2-C5 mixture paraffin stream in the presence of a palladium/Group IIA, e.g. Be Mg, or IIIB, e.g. Sc, Y, ZSM-20 hydrocracking catalyst, and thermally crack...
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JPS5636584A |
PURPOSE: To increase the amounts of naphtha, kerosine and gas oil fractions and to reduce sulfur content in light oil and pitch, by a method wherein in a two-stage thermal treating method of heavy oil, part of thermally cracked oil obtai...
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JPS5618691A |
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JPS55500992A |
An integrated coal liquefaction-gasification-naphtha reforming process wherein the slurry containing substantially the entire yield of normally solid dissolved coal produced in the liquefaction zone constitutes the only hydrocarbonaceous...
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JPS55500942A |
A combination coal liquefaction-gasification-naphtha reforming process wherein the slurry containing substantially the entire yield of normally solid dissolved coal produced in the liquefaction zone comprises substantially the only hydro...
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JPS5530038B1 |
1361671 Steam cracking a hydrogenated feedstock BP CHEMICALS INTERNATIONAL Ltd 9 Dec 1971 [6 Jan 1971 14 Sept 1971] 605/71 and 42765/71 Heading C5E Olefins are produced by a two-step process comprising catalytically hydrogenating a petro...
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JPS5589391A |
A process for the treatment of a hydrocarbon fraction having a boiling point range beginning above 200 DEG C. and obtained in the cracking of hydrocarbons, in which the polymeric component resulting from the cracking pyrolysis is removed...
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JPS5523879B2 |
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JPS5580490A |
PURPOSE: To produce benzene, toluene, etc., according to demand by distilling toluene, etc., from high-boiling fractions after treatment of dealkylation in the treatment process of aromatic compounds, provided with hydrogenating and hydr...
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JPS5579042A |
A catalyst for dealkylating alkyl benzenes and fractions of aromatized benzines by means of steam conversion is disclosed. The catalyst comprises rhodium or rhodium in a mixture with another noble metal from Group VIII of the Periodic Sy...
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JPS5521796B2 |
1417508 Reforming and cracking naphtha MOBIL OIL CORP 21 May 1973 [26 May 1972] 24074/73 Heading C5E Naphtha is improved and LPG also obtained by first hydro-cracking over a selective catalyst, then reforming over a "platinum-type" catal...
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JPS5519277B2 |
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JPS5556199A |
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JPS5550089A |
Vacuum residue is used for production of olefins by first separating, preferably by solvent extraction, the asphalt therein, blending resultant asphalt depleted fraction with a lighter fraction, e.g., a vacuum gas oil, and then subjectin...
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JPS5550088A |
To obtain olefins by the thermal cracking of hydrocarbons, e.g., vacuum gas oil, by hydrogenation and subsequent steam cracking, an intermediate fractionation of the hydrogenate is provided so that the light fraction enriched in branched...
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JPS5543184A |
Hydrocarbons are subjected to hydrogenation, pressure reduction and separation into liquid and gaseous fractions. The gaseous fractions are purified and desulfurized. Hydrogen-rich components of the gaseous fraction are returned to the h...
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JPS5438268B1 |
1306177 Hydrogenated olefin oligomers; lubricants SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NV 15 June 1971 [17 June 1970 (2)] 27961/71 Headings C5E and C5F Hydrogenated C 1 -C 84 oligomers of C 6 -C 12 normal α-olefins having a molar ...
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JPS5437163B2 |
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JPS54127406A |
Novel catalyst support, catalyst and process for hydrodemetalizing sulfur and metal-contaminated hydrocarbon oils such as residual petroleum fractions or whole crudes. The process may be used to prepare feedstocks suitable for fluid cata...
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JPS54111504A |
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JPS5422444B2 |
This invention relates to a process for effectively and completely converting into a useful hydrocarbon oil comprising naphtha, kerosene and gas oil with high cracking rate, the tar-sand bitumen and the vacuum residues from various petro...
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JPS5422445B2 |
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JPS5421361B1 |
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JPS5414121B2 |
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JPS543481B1 |
This specification discloses the demetalation of a hydrocarbon charge stock. The demetalation procedure involves contacting the hydrocarbon charge stock with hydrogen in the presence of, as a catalyst, a material derived from the natural...
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JPS5416406A |
In a process for the production of olefins in two stages wherein, in the first stage, heavy petroleum fractions are hydrogenated in the presence of hydrogen and a hydrogenation catalyst and, in the second stage, the thus-hydrogenated fra...
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JPS5416407A |
In a process for the production of olefins in two stages wherein, in the first stage, heavy petroleum fractions are hydrogenated in the presence of hydrogen and a hydrogenation catalyst and, in the second stage, the thus-hydrogenated fra...
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JPS549230A |
A pyrolysis feedstock, such as a gas oil feed, is hydrotreated in the presence of a bimetallic catalyst which has been promoted by the addition of chlorine and/or fluorine, preferably chlorine, followed by thermal cracking to increase th...
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JPS53146278A |
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JPS5345802B2 |
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JPS53116328A |
This invention is directed to producing a high yield of aromatics from naphtha by integrating a catalytic reformer and a thermal hydrocracking unit followed by fractionating the product stream to obtain the desired aromatic. In this proc...
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JPS5336844B2 |
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JPS5336843B2 |
1435350 Treating heavy oils UOP Inc 7 Sept 1973 [8 Sept 1972] 42117/73 Heading C5E A sulphurous, ash- and asphaltene-containing hydrocarbon charge 1 is treated by deashing at 2 with a selective solvent 3 to provide a a solvent-lean ash-c...
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JPS5336482B2 |
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