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DE69420147D1 - Reinigungsverfahren - Google Patents

Reinigungsverfahren

Info

Publication number
DE69420147D1
DE69420147D1 DE69420147T DE69420147T DE69420147D1 DE 69420147 D1 DE69420147 D1 DE 69420147D1 DE 69420147 T DE69420147 T DE 69420147T DE 69420147 T DE69420147 T DE 69420147T DE 69420147 D1 DE69420147 D1 DE 69420147D1
Authority
DE
Germany
Prior art keywords
cleaning procedure
cleaning
procedure
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 - Lifetime
Application number
DE69420147T
Other languages
English (en)
Other versions
DE69420147T2 (de
Inventor
Gunnar Stroem
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.)
Alfa Laval Separation AB
Original Assignee
Alfa Laval Separation AB
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 Alfa Laval Separation AB filed Critical Alfa Laval Separation AB
Publication of DE69420147D1 publication Critical patent/DE69420147D1/de
Application granted granted Critical
Publication of DE69420147T2 publication Critical patent/DE69420147T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/36—Regeneration of waste pickling liquors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/04—Breaking emulsions
    • B01D17/047—Breaking emulsions with separation aids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Metallurgy (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Filtration Of Liquid (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
DE69420147T 1993-10-18 1994-10-18 Reinigungsverfahren Expired - Lifetime DE69420147T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9303437A SE9303437D0 (sv) 1993-10-18 1993-10-18 Reningsförfarande
PCT/SE1994/000980 WO1995011325A1 (en) 1993-10-18 1994-10-18 Purification method

Publications (2)

Publication Number Publication Date
DE69420147D1 true DE69420147D1 (de) 1999-09-23
DE69420147T2 DE69420147T2 (de) 2000-02-03

Family

ID=20391468

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69420147T Expired - Lifetime DE69420147T2 (de) 1993-10-18 1994-10-18 Reinigungsverfahren

Country Status (11)

Country Link
US (1) US5876608A (de)
EP (1) EP0724655B1 (de)
JP (1) JP3493582B2 (de)
KR (1) KR100376722B1 (de)
AU (1) AU8008494A (de)
CA (1) CA2174335C (de)
DE (1) DE69420147T2 (de)
DK (1) DK0724655T3 (de)
ES (1) ES2136208T3 (de)
SE (1) SE9303437D0 (de)
WO (1) WO1995011325A1 (de)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802917A (en) * 1970-05-15 1974-04-09 Dow Chemical Co Separating tramp oils from oil-in-water emulsions
US3763277A (en) * 1971-07-01 1973-10-02 Union Carbide Corp Process for the preparation of inter-polymers of poly(ethylene oxide)
DE3070952D1 (en) * 1979-06-26 1985-09-12 British Petroleum Co Plc Cross-linked polymer compositions and production thereof
US4374740A (en) * 1981-01-16 1983-02-22 Mobil Oil Corporation Water soluble surfactant mobility control agent in oil recovery
JPS57209637A (en) * 1981-06-19 1982-12-23 Mitsubishi Rayon Co Ltd Water treating material and preparation thereof
DE3809067A1 (de) * 1988-03-18 1989-09-28 Hoechst Ag Verfahren zum trennen von erdoelemulsionen vom typ wasser-in-oel
US4844811A (en) * 1988-04-14 1989-07-04 Isaac Gotlieb Method for separating dissolved organic compounds from a solution
EP0370118B1 (de) * 1988-11-17 1993-10-20 HERCO-CFF ChiralFlow Filtertechnik GmbH Filterapparat zum Auftrennen einer Trübe
SE462393B (sv) * 1988-11-21 1990-06-18 Pegasus Separation Ab Anvaendning av vattenhaltiga polymera tvaafassystem foer rening av skaervaetskor, foerfarande och anlaeggning foer reningen samt skaeroljekoncentrat innehaallande polymer ingaaende i tvaafassystemet och skaervaetska utgoerande vattenemulsion av skaeroljekoncentratet
US5167281A (en) * 1991-11-07 1992-12-01 Texaco Inc. Dialkylate additives for surfactant sytems
US5256304A (en) * 1992-06-05 1993-10-26 Betz Laboratories, Inc. Methods of removing oil and metal ions from oily wastewater

Also Published As

Publication number Publication date
CA2174335C (en) 2005-09-27
EP0724655B1 (de) 1999-08-18
EP0724655A1 (de) 1996-08-07
JP3493582B2 (ja) 2004-02-03
CA2174335A1 (en) 1995-04-27
SE9303437D0 (sv) 1993-10-18
KR100376722B1 (ko) 2003-10-22
AU8008494A (en) 1995-05-08
WO1995011325A1 (en) 1995-04-27
ES2136208T3 (es) 1999-11-16
US5876608A (en) 1999-03-02
JPH09503699A (ja) 1997-04-15
DK0724655T3 (da) 2000-03-20
DE69420147T2 (de) 2000-02-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition