ES2136208T3 - Un metodo para purificar liquidos acuosos de desengrase. - Google Patents

Un metodo para purificar liquidos acuosos de desengrase.

Info

Publication number
ES2136208T3
ES2136208T3 ES94931254T ES94931254T ES2136208T3 ES 2136208 T3 ES2136208 T3 ES 2136208T3 ES 94931254 T ES94931254 T ES 94931254T ES 94931254 T ES94931254 T ES 94931254T ES 2136208 T3 ES2136208 T3 ES 2136208T3
Authority
ES
Spain
Prior art keywords
polymer
liquid
collection
degreated
formes
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
ES94931254T
Other languages
English (en)
Inventor
Gunnar Strom
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
Application granted granted Critical
Publication of ES2136208T3 publication Critical patent/ES2136208T3/es
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)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Water Treatment By Sorption (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (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)

Abstract

UN METODO DE PURIFICACION DE LIQUIDOS DESGRASADOS CONTAMINADOS COMPRENDE (A) ADICION DE UN POLIMERO DE RECOPILACION O UNA MEZCLA DE POLIMERO QUE FORME DOS FASES AL LIQUIDO DESGRASADO; (B) MEZCLA DEL POLIMERO DE RECOLECCION CON EL LIQUIDO DESGRASADO; (C) SEPARACION DEL POLIMERO DE RECOLECCION Y EL LIQUIDO DESGRASADO GRAVIMETRICAMENTE, POR LO QUE EL POLIMERO DE RECOLECCION Y LA PARTE PRINCIPAL DE LOS CONTAMINANTES FORMAN UNA FASE INFERIOR HIDROFOBA Y EL AGENTE DESGRASADO FORMA UNA FASE SUPERIOR HIDROFILA; (D) ELIMINACION DE LA FASE INFERIOR; Y (E) REUTILIZACION DE LA FASE SUPERIOR DIRECTAMENTE O PARA UN PROCESAMIENTO POSTERIOR.
ES94931254T 1993-10-18 1994-10-18 Un metodo para purificar liquidos acuosos de desengrase. Expired - Lifetime ES2136208T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9303437A SE9303437D0 (sv) 1993-10-18 1993-10-18 Reningsförfarande

Publications (1)

Publication Number Publication Date
ES2136208T3 true ES2136208T3 (es) 1999-11-16

Family

ID=20391468

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94931254T Expired - Lifetime ES2136208T3 (es) 1993-10-18 1994-10-18 Un metodo para purificar liquidos acuosos de desengrase.

Country Status (11)

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

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)
EP0023084B1 (en) * 1979-06-26 1985-08-07 The British Petroleum Company p.l.c. 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
KR100376722B1 (ko) 2003-10-22
JPH09503699A (ja) 1997-04-15
EP0724655B1 (en) 1999-08-18
WO1995011325A1 (en) 1995-04-27
EP0724655A1 (en) 1996-08-07
DE69420147T2 (de) 2000-02-03
CA2174335C (en) 2005-09-27
SE9303437D0 (sv) 1993-10-18
AU8008494A (en) 1995-05-08
DE69420147D1 (de) 1999-09-23
CA2174335A1 (en) 1995-04-27
JP3493582B2 (ja) 2004-02-03
DK0724655T3 (da) 2000-03-20
US5876608A (en) 1999-03-02

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