GB142089A - Improvements in process of purifying used mineral oil - Google Patents

Improvements in process of purifying used mineral oil

Info

Publication number
GB142089A
GB142089A GB9676/20A GB967620A GB142089A GB 142089 A GB142089 A GB 142089A GB 9676/20 A GB9676/20 A GB 9676/20A GB 967620 A GB967620 A GB 967620A GB 142089 A GB142089 A GB 142089A
Authority
GB
United Kingdom
Prior art keywords
oil
used mineral
mineral oil
impurities
purifying used
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB9676/20A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
De Laval Separator Co
Original Assignee
De Laval Separator Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by De Laval Separator Co filed Critical De Laval Separator Co
Publication of GB142089A publication Critical patent/GB142089A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
    • C10M175/0016—Working-up used lubricants to recover useful products ; Cleaning with the use of chemical agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

Impurities, especially carbon, are removed from used mineral oils e.g. crank-case lubricating oil, by heating them to 180 DEG F., mixing therewith a saponifiable oil or fatty acid, preferably oleic acid, and then saponifying the latter by the addition of alkali, thus forming a counter colloid which takes up the colloidal impurities. Sodium chloride or sulphate may be added as an anti-emulsifying agent. The purified oil is separated by centrifugal force or by gravitation. If the used oil contains gasoline, it is removed by blowing steam through the oil.
GB9676/20A 1919-04-23 1920-04-06 Improvements in process of purifying used mineral oil Expired GB142089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US292091A US1363784A (en) 1919-04-23 1919-04-23 Process of purifying lubricating-oil

Publications (1)

Publication Number Publication Date
GB142089A true GB142089A (en) 1920-11-25

Family

ID=23123174

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9676/20A Expired GB142089A (en) 1919-04-23 1920-04-06 Improvements in process of purifying used mineral oil

Country Status (3)

Country Link
US (1) US1363784A (en)
FR (1) FR514204A (en)
GB (1) GB142089A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2450603A (en) * 1945-02-03 1948-10-05 Ralph L Faber Method of determining a sludge index for engine oils
US2943046A (en) * 1958-03-24 1960-06-28 Socony Mobil Oil Co Inc Removal of acidic substances from used lubricating oil employing fatty acid salts of barium, calcium and strontium
US3505307A (en) * 1968-03-04 1970-04-07 Chevron Res Ricinoleate as oil-water demulsifier

Also Published As

Publication number Publication date
US1363784A (en) 1920-12-28
FR514204A (en) 1921-03-05

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