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Matches 701 - 750 out of 777

Document Document Title
JPS5648924B2  
JPS5647235B2  
JPS5646518B2  
JPS5646517B2  
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, ...  
JPS5645517B2  
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...  
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...  
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...  
JPS562117B2  
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...  
JPS5535677B2  
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...  
JPS5510639B1  
JPS54142206A
A process for the reprocessing of used lubricating oil wherein said oils are treated with a mixture of potassium hydroxide and sodium hydroxide.  
JPS5431484B2  
JPS5428843B2  
JPS5423687B2  
JPS5422448B2
A method of purifying used lubricating oils comprising the following steps:  
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...  
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...  
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...  
JPS5348204B2  
JPS5348203B2  
JPS5348205B2  
JPS53162148U  
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...  
JPS5342324B2  
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 ...  
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...  
JPS5397154U  
JPS5377202A  
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...  
JPS5321006B2  
JPS5319004B2  
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 ...  
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 ...  
JPS534900A  
JPS534899A  
JPS531060B2  
JPS52139105A  
JPS52139104A  
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...  
JPS5243205B2  
JPS5238044B2  
JPS5236872B2  
JPS5298705A  
JPS5292207A
PURPOSE: An equipment is characterized by the function of rapid separation and recovery of the fine solids without leaving radioactive waste untreated because of the reaction of waste oil with hydrogen fluoride to have them solidified in...  
JPS5287655U  
JPS5226528Y2  

Matches 701 - 750 out of 777