AU1770500A - Nitrate-free recycling pickling method for special steels - Google Patents

Nitrate-free recycling pickling method for special steels

Info

Publication number
AU1770500A
AU1770500A AU17705/00A AU1770500A AU1770500A AU 1770500 A AU1770500 A AU 1770500A AU 17705/00 A AU17705/00 A AU 17705/00A AU 1770500 A AU1770500 A AU 1770500A AU 1770500 A AU1770500 A AU 1770500A
Authority
AU
Australia
Prior art keywords
nitrate
pickling method
special steels
free recycling
recycling pickling
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
AU17705/00A
Inventor
Wolfgang Thiele
Knut Wildner
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.)
EILENBURGER ELEKTROLYSE- und UMWELTTECHNIK GmbH
Original Assignee
EILENBURGER ELEKTROLYSE & UMWELTTECHNIK GmbH
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 EILENBURGER ELEKTROLYSE & UMWELTTECHNIK GmbH filed Critical EILENBURGER ELEKTROLYSE & UMWELTTECHNIK GmbH
Publication of AU1770500A publication Critical patent/AU1770500A/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)
AU17705/00A 1998-11-03 1999-11-02 Nitrate-free recycling pickling method for special steels Abandoned AU1770500A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1998150524 DE19850524C2 (en) 1998-11-03 1998-11-03 Nitrate-free recycling pickling process for stainless steels
DE19850524 1998-11-03
PCT/DE1999/003475 WO2000026441A1 (en) 1998-11-03 1999-11-02 Nitrate-free recycling pickling method for special steels

Publications (1)

Publication Number Publication Date
AU1770500A true AU1770500A (en) 2000-05-22

Family

ID=7886453

Family Applications (1)

Application Number Title Priority Date Filing Date
AU17705/00A Abandoned AU1770500A (en) 1998-11-03 1999-11-02 Nitrate-free recycling pickling method for special steels

Country Status (3)

Country Link
AU (1) AU1770500A (en)
DE (2) DE19850524C2 (en)
WO (1) WO2000026441A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104278281B (en) * 2013-07-12 2017-04-19 中国石油化工股份有限公司 Pickling solution containing compound passivating agent and preparation method thereof

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU438729A1 (en) * 1970-07-17 1975-01-23 Предприятие П/Я А-7125 The method of regeneration of sulphate and chloride pickling solutions of iron
HU169344B (en) * 1973-11-27 1976-11-27 Jozsef Kerti Method for electrochemical cycle-processing pickle end-solutions containing sulfuric acid
JPS50133125A (en) * 1974-04-10 1975-10-22
JPS549120A (en) * 1977-06-24 1979-01-23 Tokai Electro Chemical Co Method of controlling acid cleaning liquid for stainless steel
DE3206538C2 (en) * 1982-02-24 1984-04-12 Keramchemie GmbH, 5433 Siershahn Process for the electrolytic regeneration of used sulfuric acid pickling liquid
ATE121804T1 (en) * 1985-01-22 1995-05-15 Ugine Sa METHOD FOR ACID PICKLING STEEL, PARTICULARLY STAINLESS STEEL.
FR2587369B1 (en) * 1985-09-19 1993-01-29 Ugine Gueugnon Sa PROCESS OF ACID STRIPPING OF STAINLESS STEEL PRODUCTS
DE4218915A1 (en) * 1992-06-10 1993-12-16 Heraeus Elektrochemie Method and device for regenerating an aqueous solution containing metal ions and sulfuric acid, and use
IT1255655B (en) * 1992-08-06 1995-11-09 STAINLESS STEEL PICKLING AND PASSIVATION PROCESS WITHOUT THE USE OF NITRIC ACID
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
IT1276954B1 (en) * 1995-10-18 1997-11-03 Novamax Itb S R L PICKLING AND PASSIVATION PROCESS OF STAINLESS STEEL WITHOUT THE USE OF NITRIC ACID
IT1282979B1 (en) * 1996-05-09 1998-04-03 Novamax Itb S R L PROCEDURE FOR STEEL PICKLING IN WHICH THE OXIDATION OF THE FERROUS ION IS CARRIED OUT BY ELECTROCHEMISTRY
IT1288407B1 (en) * 1996-12-09 1998-09-22 Sviluppo Materiali Spa METHOD FOR PICKLING METAL ALLOY PRODUCTS CONTAINING IRON AND TITANIUM AND ITS ALLOYS
IT1290947B1 (en) * 1997-02-25 1998-12-14 Sviluppo Materiali Spa METHOD AND DEVICE FOR THE PICKLING OF METALLIC ALLOY PRODUCTS IN THE ABSENCE OF NITRIC ACID AND FOR THE RECOVERY OF EXHAUSTED SOLUTIONS

Also Published As

Publication number Publication date
DE19850524C2 (en) 2002-04-04
DE19850524A1 (en) 2000-05-04
DE19982260D2 (en) 2001-01-18
WO2000026441A1 (en) 2000-05-11

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase