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JPS5711588B2 |
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JPS5738884A |
Procedure for de-amazing a mixed hydrocarbon food. Consists of the following stages: 1. Put the feed into an extraction area at a temperature next to 150c with a solvent. 2. Cool the disciplinary rich phase in aromaticos to form two phas...
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JPS576203B2 |
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JPS5651199B2 |
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JPS56151787A |
PURPOSE: A raffinate, which is obtained by solvent extraction of a paraffinic crude oil or a mixed crude oil under conditions, is solvent extracted again and the resultant extract is purified to produce an extremely good-quality naphthen...
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JPS5648924B2 |
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JPS5647235B2 |
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JPS5646518B2 |
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JPS5646517B2 |
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JPS5646202B2 |
A method of purifying triaryl phosphate to be used as electrical insulating oil, comprising a first step of washing the phosphate with the aqueous solution of alkali, a second step of diluting the phosphate with aromatic insulating oil, ...
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JPS5645517B2 |
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JPS5679196A |
The invention provides a process for the separation of contaminant material from contaminated oil comprising reacting the oil with an aqueous alkaline solution, such as an aqueous solution of sodium metasilicate, and separating the aqueo...
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JPS5650993A |
PURPOSE: To regenerate waste oil as a fuel for Diesel engine, by a method wherein waste oil is heat-treated at a specified temperature, filtered and then flowed downward on the surface of an iron plate equipped with a magnet to remove me...
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JPS5647485A |
PURPOSE: To recover the oil component from an oily sludge, safely, rapidly and economically, without using an extraction solvent, by heating and melting the sludge to separate the coarse contaminant, and circulating the fluid free of the...
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JPS562117B2 |
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JPS55137197A |
PURPOSE: To clean oil by removing water-soluble substances and other pollutant particles from impurities-containing oil, by the procedure in which water is brought into contact with impurities-containing oil to dissolve the impurities in...
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JPS5535677B2 |
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JPS5548285A |
In the processing of olefinic hydrocarbon mixtures containing isobutylene and isoamylene which are etherified with methanol to obtain higher octane components, unreacted methanol is removed from the etherified mixture by contact with a s...
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JPS5510639B1 |
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JPS54142206A |
A process for the reprocessing of used lubricating oil wherein said oils are treated with a mixture of potassium hydroxide and sodium hydroxide.
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JPS5431484B2 |
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JPS5428843B2 |
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JPS5423687B2 |
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JPS5422448B2 |
A method of purifying used lubricating oils comprising the following steps:
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JPS5422449B2 |
1445498 Recovering used lubricating oils M FAINMAN and C S MCAULEY 25 July 1974 [30 July 1973] 32969/74 Heading C5E Used lubricating oils are treated by diluting with a hydrocarbon liquid diluent, mixing the diluted oil with a mixture of...
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JPS5420201B2 |
Screened and drained used lubricating oil stock is predistilled in a steam stripping still for about 4 hours or more. The thus predistilled used oil then flows to an evaporator for a vacuum distillation at a temperature below the crackin...
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JPS5422413A |
Specialty oils of very low pour point and excellent stability, such as transformer oils and refrigerator oils, are produced from waxy crude distillates by solvent refining, catalytic dewaxing over a zeolite catalyst in the nature of zeol...
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JPS5348204B2 |
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JPS5348203B2 |
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JPS5348205B2 |
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JPS53162148U |
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JPS53142403A |
Disclosed is a process for rejuvenating and reclaiming useful hydrocarbon oils from contaminated waste oils. The process comprises dehydrating the waste oil and thereafter dissolving the dehydrated oil in a selected amount of isopropanol...
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JPS5342324B2 |
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JPS5337081B2 |
A method for the removal of sulfur and nitrogen components from petroleum oils is disclosed. The unwanted sulfur and nitrogen is oxidized to the extent that the resultant compounds exhibit preferential solubility characteristics in some ...
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JPS53111304A |
. A used lubricating oil treatment apparatus is provided in which filters, heat exchange means, a vaporiser unit, pumps and other necessary equipment are all contained in a wheeled cabinet. The oil to be treated is pumped through a warmi...
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JPS5397154U |
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JPS5377202A |
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JPS5321407B2 |
1436620 Reconditioning oils RUMANIA MINISTRY OF TRANSPORT & TELECOMMUNICATION 1 Aug 1973 [9 Aug 1972] 36672/73 Heading C5E Plant for reconditioning used lubricating oils comprises a vessel A for storing the oil and settling water and coa...
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JPS5321006B2 |
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JPS5319004B2 |
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JPS5335706A |
A process is provided for the production of a stable, age-resisting mineral oil composition which comprises subjecting a paraffin base mineral crude oil to distillation to produce a distillate fraction boiling in the range of 270 DEG to ...
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JPS5316709A |
An effective method of reclaiming or re-refining modern-day, additive-supplemented waste oils such as those derived from gasoline or diesel engine crankcases is provided which achieves substantial oil purification at relatively low cost ...
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JPS534900A |
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JPS534899A |
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JPS531060B2 |
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JPS52139105A |
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JPS52139104A |
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JPS5245694B2 |
A continuous process for separating aromatic hydrocarbons including benzene and toluene from a mixed hydrocarbon feedstock containing same utilizing two extraction zones and a distillation train wherein light aliphatic impurities are rem...
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JPS5243205B2 |
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JPS5238044B2 |
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