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AU2570592A - Method and device for recycling used pickling liquors - Google Patents

Method and device for recycling used pickling liquors

Info

Publication number
AU2570592A
AU2570592A AU25705/92A AU2570592A AU2570592A AU 2570592 A AU2570592 A AU 2570592A AU 25705/92 A AU25705/92 A AU 25705/92A AU 2570592 A AU2570592 A AU 2570592A AU 2570592 A AU2570592 A AU 2570592A
Authority
AU
Australia
Prior art keywords
used pickling
recycling used
pickling liquors
recycling
liquors
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.)
Abandoned
Application number
AU25705/92A
Inventor
Volker Brucken
Manfred Potzschke
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.)
GEA Group AG
Original Assignee
Metallgesellschaft 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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Publication of AU2570592A publication Critical patent/AU2570592A/en
Abandoned 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

Described is a method of recycling the used pickling liquor, containing iron and/or zinc salts, which arises in the pickling of steel workpieces using mineral acids, the used pickling liquor being fed through an electrolytic bath operating with cation-exchange membranes.
AU25705/92A 1991-09-24 1992-09-19 Method and device for recycling used pickling liquors Abandoned AU2570592A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4131793A DE4131793A1 (en) 1991-09-24 1991-09-24 METHOD AND DEVICE FOR REGENERATING REMEDIES
DE4131793 1991-09-24

Publications (1)

Publication Number Publication Date
AU2570592A true AU2570592A (en) 1993-04-27

Family

ID=6441386

Family Applications (1)

Application Number Title Priority Date Filing Date
AU25705/92A Abandoned AU2570592A (en) 1991-09-24 1992-09-19 Method and device for recycling used pickling liquors

Country Status (5)

Country Link
EP (1) EP0612359B1 (en)
AT (1) ATE127861T1 (en)
AU (1) AU2570592A (en)
DE (2) DE4131793A1 (en)
WO (1) WO1993006262A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4326854A1 (en) * 1993-08-11 1995-02-16 Heraeus Elektrochemie Process for the regeneration of an aqueous solution containing metal ions and sulfuric acid, and device
AUPM424894A0 (en) * 1994-03-04 1994-03-31 Spunboa Pty Limited Treatment of electrolyte solutions
AT400928B (en) * 1994-11-09 1996-04-25 Avr Abfallverwertungs Und Rohs Process for working up waste acids containing zinc/iron
DE19829592C1 (en) * 1998-07-02 1999-12-09 Umweltanalytisches Zentrum Gro Mineral acids containing metals from pickling plants are processed and recovered
DE19850525A1 (en) * 1998-11-03 2000-05-04 Eilenburger Elektrolyse & Umwelttechnik Gmbh Regeneration of sulfuric acid-iron(III) sulfate pickling solution, used especially for special steels, involves perdisulfuric acid production in a spent solution electrolysis cell
DE102015208690A1 (en) 2015-05-11 2016-11-17 Technische Universität Bergakademie Freiberg Electrodialytic production of phosphoric acid and device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1155610B (en) * 1961-05-18 1963-10-10 Ionics Method and cell for the electrolytic deposition of metals, in particular iron
US3072545A (en) * 1961-11-20 1963-01-08 Ionics Electroplating of metals
DE1571728A1 (en) * 1966-10-01 1970-12-17 Duerkes Dipl Chem Dr Karl Process for the regeneration and / or preparation as well as cleaning of pickling baths, washing and rinsing fluids, galvanic baths and waste water
US3801481A (en) * 1972-04-21 1974-04-02 Dean D Method for purifying the liquor of a galvanizing process plant after contamination
US4149946A (en) * 1978-03-21 1979-04-17 Davis Walker Corporation Recovery of spent pickle liquor and iron metal
US4149951A (en) * 1978-05-22 1979-04-17 Eddleman William L Frame filter press and apparatus
DE3906791A1 (en) * 1989-03-03 1990-09-06 Metallgesellschaft Ag Method of reprocessing waste pickling liquors containing metal, nitric acid and hydrofluoric acid

Also Published As

Publication number Publication date
EP0612359B1 (en) 1995-09-13
DE4131793A1 (en) 1993-03-25
ATE127861T1 (en) 1995-09-15
DE59203700D1 (en) 1995-10-19
WO1993006262A1 (en) 1993-04-01
EP0612359A1 (en) 1994-08-31

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