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JPS5033803B2 |
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JPS5033802B2 |
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JPS50132575A |
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JPS50125171A |
Used lubricating oils are first heated to 200 DEG -500 DEG C, optionally with added steam, and then filtered through a membrane such as an ultra-filtration membrane. The latter has preferably a cut range of from 5,000 to 300,000.
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JPS50119809A |
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JPS50105574A |
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JPS50102602A |
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JPS5097602A |
A method of reclaiming used crankcase oil wherein anhydrous zinc chloride is added to the oil, the mixture is heated and stirred under vacuum, and after the sludges generated are removed, the separated oil is further treated with clay an...
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JPS5094365A |
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JPS5047281A |
A continuous process for bleeding off of a portion of the clean aqueous base coolant containing water, oil and additives from a central coolant system into a heated substantially quiescent pool to kill bacteria therein which heat also: (...
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JPS5043065A |
1468512 Separating oil-water emulsions MIDLAND OIL REFINERIES Ltd 10 June 1974 [9 June 1973] 27558/73 Addition to 1383747 Heading C5E Oil is recovered from a soluble oil emulsion by a continuous flow multistage process in which the liqui...
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JPS5024852A |
Microorganisms are removed from cutting-oil emulsions, and their growth is inhibited by passage through a filter comprising an inorganic fiber.
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JPS5024669A |
Microorganisms are removed from cutting-oil emulsions, and their growth is inhibited by passage through a filter comprising an inorganic fiber.
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JPS4945671B1 |
1,261,958. Regenerating mineral lubricating oils. ESSO RESEARCH & ENG. CO. 25 Nov., 1969 [16 Dec., 1968], No. 57603/69. Headings C5E and C5F. Lubricating oil circulating in an internal combustion engine is treated by contact with one or ...
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JPS4942883B1 |
A method of removing a particulate metallic component from an oleaginous liquid comprises mixing the oleaginous liquid containing the particulate metallic component with a liquid composition that includes a carrier liquid which is immisc...
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JPS49102579A |
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JPS4988792A |
1451440 Emulsifying agent SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 12 Dot 1973 [1 Dec 1972] 55614/72 Addition to 1280259 Heading B1V A composition suitable for emulsifying oil comprises a monoester having an average molecular weight...
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JPS4976188A |
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JPS4970268A |
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JPS4967280A |
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JPS4920725B1 |
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JPS497852A |
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JPS491602B1 |
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JPS4842686B1 |
1,205,860. Purifying oil. ESSO RESEARCH & ENG. CO. 12 Aug., 1968 [5 Sept., 1967], No. 38421/68. Heading B1D. [Also in Division C5] A lubricating oil system for lubricating internal combustion engines with a mineral lubricating oil and in...
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JPS4891107A |
A method of reducing the lead content of a used hydrocarbon lubricating oil comprising mixing a used hydrocarbon lubricating oil having a lead content of at least about 0.5 wt. percent with methylethylketone, separating the resulting mix...
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JPS4873406A |
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JPS4854107A |
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JPS4836205A |
Used non-aqueous metalworking lubricant, such as, cold rolling oil, is reconditioned by contacting it with sufficient strong base in the form of particulate or dissolved alkanol-soluble alkali metal hydroxyde and monohydric alkanol to re...
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JPS4829268A |
Recovery of oil from a residual soluble oil emulsion e.g. a cutting oil, by (a) introducing a continuous feed of the residual soluble oil emulsion into the lower part of a mixing compartment, and thereby continuously displacing the liq. ...
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JPS47171U |
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