BR9205666A - Process for purifying lubricating oils - Google Patents

Process for purifying lubricating oils

Info

Publication number
BR9205666A
BR9205666A BR9205666A BR9205666A BR9205666A BR 9205666 A BR9205666 A BR 9205666A BR 9205666 A BR9205666 A BR 9205666A BR 9205666 A BR9205666 A BR 9205666A BR 9205666 A BR9205666 A BR 9205666A
Authority
BR
Brazil
Prior art keywords
lubricating oils
purifying lubricating
purifying
earth
finely divided
Prior art date
Application number
BR9205666A
Other languages
Portuguese (pt)
Inventor
Dieter Winkler
Harald Allhorn
Hartmut Hammer
Hermann Hoever
Original Assignee
Rwe Entsorgung Ag
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 Rwe Entsorgung Ag filed Critical Rwe Entsorgung Ag
Publication of BR9205666A publication Critical patent/BR9205666A/en

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
    • C10M175/0008—Working-up used lubricants to recover useful products ; Cleaning with the use of adsorbentia
    • 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
    • C10M175/0025—Working-up used lubricants to recover useful products ; Cleaning by thermal processes
    • C10M175/0033—Working-up used lubricants to recover useful products ; Cleaning by thermal processes using distillation processes; devices therefor

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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lubricants (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The invention concerns a method of regenerating used lubricants by vacuum distillation and subsequently treating the distillate twice with finely divided, non-activated Fuller's earth at 260 to 350 C.
BR9205666A 1991-12-23 1992-12-21 Process for purifying lubricating oils BR9205666A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4142829A DE4142829C2 (en) 1991-12-23 1991-12-23 Process for cleaning used lubricating oils
PCT/DE1992/001074 WO1993013189A1 (en) 1991-12-23 1992-12-21 Method of regenerating used lubricants

Publications (1)

Publication Number Publication Date
BR9205666A true BR9205666A (en) 1994-05-17

Family

ID=6448047

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9205666A BR9205666A (en) 1991-12-23 1992-12-21 Process for purifying lubricating oils

Country Status (8)

Country Link
EP (1) EP0572630B1 (en)
JP (1) JPH06510562A (en)
AT (1) ATE170548T1 (en)
BR (1) BR9205666A (en)
CA (1) CA2104578A1 (en)
DE (2) DE4142829C2 (en)
NO (1) NO932937D0 (en)
WO (1) WO1993013189A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2757873B1 (en) * 1996-12-31 1999-03-19 Total Raffinage Distribution METHOD FOR REGENERATING A FRACTION OF WASTE LUBRICATING OIL
EP0926226A1 (en) * 1997-12-22 1999-06-30 C.S. Filtration S.p.r.l. Synthetic oil filtration with a silico-calcareous product
US20030024856A1 (en) * 2001-03-26 2003-02-06 Phil Surana Method for removal of oder from poly alpha-olefins

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB327294A (en) * 1929-04-10 1930-04-03 William Detwiller Harris Method of refining used lubricating oil
US2286369A (en) * 1931-01-02 1942-06-16 Bocji Corp Method of purifying oil
US2012695A (en) * 1933-03-24 1935-08-27 Quigley Co Apparatus for reclaiming crank-case oil
US2401339A (en) * 1941-11-26 1946-06-04 Buckeye Lab Corp Treatment of oils and waxes
US2446489A (en) * 1945-03-21 1948-08-03 Shell Dev Process for regenerating spent internal-combustion engine lubricating oils
US2496888A (en) * 1947-01-22 1950-02-07 De Witt H Palmer Oil reconditioning or clarifying apparatus
DE1545267A1 (en) * 1966-05-26 1969-12-11 Durbanolwerk Hans Durban Kg Device for refining motor and motor waste oils
US4101414A (en) * 1975-09-02 1978-07-18 Unitech Chemical Inc. Rerefining of used motor oils
DE3738391A1 (en) * 1987-11-12 1989-05-24 Wilhelm Joachim A Dr Ing Process for removing impurities by distillation from used oil

Also Published As

Publication number Publication date
DE4142829A1 (en) 1993-06-24
NO932937L (en) 1993-08-18
NO932937D0 (en) 1993-08-18
DE4142829C2 (en) 1994-08-25
CA2104578A1 (en) 1993-06-24
DE59209484D1 (en) 1998-10-08
EP0572630B1 (en) 1998-09-02
WO1993013189A1 (en) 1993-07-08
ATE170548T1 (en) 1998-09-15
JPH06510562A (en) 1994-11-24
EP0572630A1 (en) 1993-12-08

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Legal Events

Date Code Title Description
FA1 Application withdrawn (art. 18(2))