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JPH1192771A |
To provide a process for reproducing waste oil whereby the resulting reproduced oil is reutilized as fuel oil or insulating oil by the almost complete removal of impurities. From a waste oil which contains salts and alkalis as impurities...
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JPH10251665A |
To provide a process for producing organosulfur compds. whereby sulfur compds. present in petroleum can be taken out and converted into organosulfur compds. which can be used as a low-cost, stably available industrial material and to pro...
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JP2784270B2 |
A process for the recovery of tank bottom wastes employing a flash tank fed with hot, pressurized tank bottom wastes and separating a vapor component and heavier bottoms then fed to a stripping reactor along with hot gas producing an ove...
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JPH10195455A |
To provide a method for absorbing and removing a trace amount of metal contained in a liquid hydrocarbon containing asphaltene in high efficiency over a long period, and apparatus therefor. At least two apparatuses in first absorption tr...
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JPH10195456A |
To provide a method for absorbing and removing a trace amount of metal contained in a liquid hydrocarbon oil in high efficiency over a long period. At least two absorbing towers 1, 2 provided with porous inorganic absorbent-packed layers...
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JPH10505381A |
A process for catalytically desulfurizing cracked fractions in the gasoline boiling range to acceptable sulfur levels uses an initial hydrotreating step to desulfurize the feed with some reduction in octane number, after which the desulf...
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JPH10130660A |
To provide a method for continuously removing arsenic and lead over a long period of time from a liquid hydrocarbon containing a large amount of heavy components such as asphaltene, e.g. a condensate of natural gas. This method comprises...
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JPH10110173A |
To provide a method for removing an injurious compound contained in a liquid hydrocarbon, enabling to remove the injurious compound such as an arsenic compound or the mixture of the arsenic compound with a mercury compound which causes t...
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JP2700626B2 |
To permit obtaining good-quality oil and inorganic harmless slag easily from oil sludge by a method wherein the oil sludge, into which water is added, is mixed in an electrolytic cell to promote the liquefying of the oil sludge and light...
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JPH1015352A |
To effectively decompose an organic material such as a waste plastic material or waste material and properly recover and reuse a hydrocarbon component contained in the organic material. An organic material is gasified by thermally decomp...
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JPH10500147A |
A process comprising combining the heavy oil still residue and propane in conduits (146) and pumping mixture through static mixer (300). The mixture is then passed through heat exchanger (301) and flows via (302) to an extraction vessel ...
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JP2673907B2 |
This invention relates to a process for isomerization of a hydrocarbon feed stream, by passing said feed stream prior to isomerization over a first shape-selective separatory molecular sieve having a pore size of 4.5 x 4.5A or smaller, t...
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JP2633484B2 |
PURPOSE: To provide a method for removing mercury contained in a liquid hydrocarbon to infinitesimal concentration of ≤0.001ppm on an industrial scale. CONSTITUTION: This method for removing mercury in a liquid hydrocarbon comprises th...
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JP2630732B2 |
PURPOSE: To provide a method for efficiently eliminating mercury or the like from hydrocarbons by transforming mercury contained in a charge raw compound into elemental mercury, fractionating effluents obtained from this transforming rea...
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JP2578514B2 |
The invention provides a method for removing mercury from a liquid hydrocarbon feed material by (a) removing those components having a higher molecular weight than the desired hydrocarbon from the feed material, (b) removing water from t...
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JP2563985B2 |
In this process, feedstock hydrocarbon mixtures having a boiling range of between 40 and 170 DEG C are subjected without prior separation into individual fractions to an extractive distillation using N-substituted morpholines whose subst...
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JP2550060B2 |
In this process, feedstock hydrocarbon mixtures having a boiling range of between 40 and 170 DEG C are subjected without prior separation into individual fractions to an extractive distillation using N-substituted morpholines whose subst...
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JPH08509762A |
The invention relates to a process for the removal of mercury and/or other heavy metals from a cracker feed with the aid of an adsorbent. The process is characterized in that the feed is also subjected to magnetic filtration.
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JP2525409B2 |
A process for deasphalting a heavy hydrocarbon feedstock, comprising two stages of precipitation from the feedstock of an asphaltene fraction alone or, alternatively, of a resin fraction along with the asphaltene fraction, by means of a ...
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JP2505250B2 |
Heavy components of hydrocarbon gas mixtures are recovered through partial condensation of a first portion of the starting gas by indirect heat exchange with a refrigerant wherein the condensate formed is entrained in the gas stream. The...
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JPH0813976B2 |
This invention relates to a process for restructuring an olefinic feedstock rich in linear olefins into a product olefin of narrower composition which is richer in branched olefins than the starting feedstock. Such restructuring is achie...
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JPH083100B2 |
The invention provides a liquids recovery process useful for the separation and recovery of C3+ liquid hydrocarbons from gas mixtures containing high concentrations of lighter components such as are produced by the dehydrogenation of liq...
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JPH0790139B2 |
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JPH0781149B1 |
A solvent extraction process for separating a heavy hydrocarbon feedstock material into its various component parts. The process comprises the utilization of pressure reduction to enhance the separation and recovery of a deasphalted oil ...
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JPH0756034B2 |
In a deasphalting process wherein the deasphalted oil is separated from the deasphalting solvent, the invention consists of performing said separation in at least two separate steps, differing by their temperatures, and of recovering hea...
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JPH0724736B2 |
A process for performing an operation involving at least one component of a fluid stream to provide product containing the at least one component or a chemical derivative thereof, the fluid stream containing at least one other component ...
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JPH0631359B2 |
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JPH06503599A |
Raffinate yield from solvent extraction is improved when the extract phase recovered from the solvent extraction process is subjected to a membrane separation step wherein a saturates/1-ring aromatics rich retentate is produced and a 2+ ...
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JPH0621084B2 |
The invention is an improved method and apparatus for recovering waste heat from a low temperature process stream by means of a vaporizable heat sink liquid, characterized by an effective lowering of the boiling temperature of the heat s...
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JPH06501722A |
Commercially valuable oil is recovered from refinery-produced, Resource Conservation and Recovery Act classified, hazardous waste oil sludges by a series of volatilizing and condensing steps (which may vary depending on the oil, water, a...
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JPH064859B2 |
Suspended solid particulates are removed from liquefied coal products by first subjecting such products to hydroclone action for removal in the underflow of the larger size particulates, and then subjecting the overflow from said hydrocl...
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JPH06500346A |
Commercially valuable oil is recovered from refinery-produced, Resource Conservation and Recovery Act classified, hazardous waste oil sludges by a series of volatilizing and condensing steps (which may vary depending on the oil, water, a...
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JPH0586993B2 |
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JPH0586992B2 |
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JPH0572438B2 |
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JPH0556397B2 |
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JPH0553193B2 |
The process of this invention is a hybrid gas separation process which recovers both heavy hydrocarbon and high purity hydrogen products from a gas stream containing a relatively low concentration of hydrogen. The heavy hydrocarbon produ...
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JPH0552348B2 |
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JPH05192507A |
PURPOSE: To remove elemental sulfur in an organic substance by bringing a stream of the gaseous or liquid organic substance contaminated with the elemental sulfur into contact with an absorbent containing metal copper as an active compon...
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JPH05501578A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
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JPH0515754B2 |
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JPH04348187A |
PURPOSE: To improve the oxidation stability of gas oil generated by catalytic decomposition. CONSTITUTION: Oxidized or non-oxidized gas oil obtained at a time of catalytic decomposition is subjected to liquid-liquid extraction by using a...
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JPH0475956B2 |
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JPH04296392A |
PURPOSE: To simply and efficiently remove mercury (compound) in an oil by mixing a mercury (compound)-containing hydrocarbon oil into contact with an organic peroxide, then bringing the resultant mixture into contact with an acidic inorg...
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JPH04266989A |
PURPOSE: To extract aromatic hydrocarbons in high selectivity and high yield from a mixture of aromatic hydrocarbons and non-aromatic hydrocarbons in a hydrocarbon feed stream. CONSTITUTION: This selective solvent extraction of aromatic ...
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JPH0458519B2 |
Heavy oil derived from coal is diluted with organic solvent to a content of less than 10 weight percent of toluene-insoluble material. The mixture is then mixed with a non-aromatic solvent in a ratio of 1:3 to 5:1. With slow stirring of ...
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JPH0456077B2 |
A process for removing asphaltenes present in cat cracker bottoms or a pitch derived therefrom comprises (a) removal of 70 to 85 percent of the polynuclear aromatic oils present in the cat cracker bottoms or pitch, for example by vacuum ...
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JPH04227989A |
PURPOSE: To decrease the total amt. of C4- gases produced in a cracking process and increase the vol. and octant number of C5+ gasoline by combining the steps of cracking, deacidifying and fractionating intermediates, and refining interm...
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JPH0448837B2 |
Reentry disulphides are eliminated in a continuous process for treating a sour hydrocarbon stream by extracting the mercaptans contained in the hydrocarbon stream 1 with a disulphide-free alkaline solution in an extraction zone 3, oxidiz...
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JPH04211493A |
PURPOSE: To provide a novel method for treating raw material oil containing furfural and a petroleum purified middle distillate. CONSTITUTION: In a method for reducing the content of a furfural of a raw material containing furfural and a...
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