BR9605745A - Processo de decapagem de aço em solução de decapagem aquosa ácida - Google Patents

Processo de decapagem de aço em solução de decapagem aquosa ácida

Info

Publication number
BR9605745A
BR9605745A BR9605745A BR9605745A BR9605745A BR 9605745 A BR9605745 A BR 9605745A BR 9605745 A BR9605745 A BR 9605745A BR 9605745 A BR9605745 A BR 9605745A BR 9605745 A BR9605745 A BR 9605745A
Authority
BR
Brazil
Prior art keywords
steel
pickling
aqueous acid
solution
pickling solution
Prior art date
Application number
BR9605745A
Other languages
English (en)
Inventor
Sven-Eric Lunner
Troy Berglind
Arne Frestad
Anders Walej
Charlotte Angel
Original Assignee
Eka Chemicals 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20400387&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9605745(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Eka Chemicals Ab filed Critical Eka Chemicals Ab
Publication of BR9605745A publication Critical patent/BR9605745A/pt

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
    • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
    • C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
    • C23G5/032—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing oxygen-containing compounds
    • 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
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • 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
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • C23G1/081—Iron or steel solutions containing H2SO4
    • 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
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • C23G1/086—Iron or steel solutions containing HF
    • 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)
  • Chemical Treatment Of Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BR9605745A 1995-11-28 1996-11-28 Processo de decapagem de aço em solução de decapagem aquosa ácida BR9605745A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9504250A SE510298C2 (sv) 1995-11-28 1995-11-28 Sätt vid betning av stål

Publications (1)

Publication Number Publication Date
BR9605745A true BR9605745A (pt) 1998-08-25

Family

ID=20400387

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9605745A BR9605745A (pt) 1995-11-28 1996-11-28 Processo de decapagem de aço em solução de decapagem aquosa ácida

Country Status (12)

Country Link
US (2) US5810939A (pt)
EP (1) EP0776993B1 (pt)
JP (1) JP3128202B2 (pt)
KR (1) KR100244347B1 (pt)
AT (1) ATE189486T1 (pt)
BR (1) BR9605745A (pt)
DE (1) DE69606505T2 (pt)
ES (1) ES2143138T3 (pt)
RU (1) RU2110618C1 (pt)
SE (1) SE510298C2 (pt)
TW (1) TW410241B (pt)
ZA (1) ZA969917B (pt)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1296932B1 (it) * 1997-12-05 1999-08-03 Acciai Speciali Terni Spa Procedimento di decapaggio a spruzzo per nastro d'acciaio ed apparecchiatura per attuare detto procedimento
FR2772050B1 (fr) * 1997-12-10 1999-12-31 Imphy Sa Procede de decapage d'acier et notamment d'acier inoxydable
GB9807286D0 (en) 1998-04-06 1998-06-03 Solvay Interox Ltd Pickling process
AT407755B (de) * 1998-07-15 2001-06-25 Andritz Patentverwaltung Verfahren zum beizen von edelstahl
EP0974682A1 (de) * 1998-07-18 2000-01-26 Henkel Kommanditgesellschaft auf Aktien Verfahren zur chemischen Behandlung von Metalloberflächen und dazu geeignete Anlage
JP4180925B2 (ja) 2001-04-09 2008-11-12 エイケイ・スティール・プロパティーズ・インコーポレイテッド ケイ素含有電気用鋼等級の過酸化水素酸洗
ATE343663T1 (de) * 2001-04-09 2006-11-15 Ak Properties Inc Verfharen zum beizen von rostfreiem stahl unter verwendung von wasserstoffperoxid
BR0208747B1 (pt) * 2001-04-09 2011-02-08 processo e aparelho para remoção de peróxido de hidrogênio.
DE10160318A1 (de) * 2001-12-07 2003-06-18 Henkel Kgaa Verfahren zum Beizen von martensitischem oder ferritischem Edelstahl
ITRM20010747A1 (it) * 2001-12-19 2003-06-19 Ct Sviluppo Materiali Spa Procedimento a ridotto impatto ambientale e relativo impianto per descagliare, decapare e finire/passivare, in modo continuo, integrato e fl
US20040094236A1 (en) * 2002-11-14 2004-05-20 Crown Technology, Inc. Methods for passivating stainless steel
US7459005B2 (en) * 2002-11-22 2008-12-02 Akzo Nobel N.V. Chemical composition and method
US7396559B2 (en) * 2003-08-11 2008-07-08 General Motors Corporation Method of making an electrically conductive element for use in a fuel cell
US20050037935A1 (en) * 2003-08-11 2005-02-17 Abd Elhamid Mahmoud H. Composition and method for surface treatment of oxidized metal
KR100580494B1 (ko) * 2004-04-27 2006-05-16 현대자동차주식회사 톤휠과 이를 이용한 휠 슬립 감지시스템
FI120742B (fi) * 2006-05-10 2010-02-15 Outokumpu Oy Menetelmä terästuotannon yhteydessä
CA2677753C (en) * 2007-02-12 2016-03-29 Henkel Ag & Co. Kgaa Process for treating metal surfaces
DE102009038795A1 (de) * 2009-08-25 2011-05-05 Poligrat Gmbh Beizverfahren für Edelstahl
HUE031817T2 (en) 2011-09-26 2017-08-28 Ak Steel Properties Inc Stainless steel etching in an oxidizing electrolytic acid bath
WO2021058044A1 (de) * 2019-09-26 2021-04-01 Siedentop Gmbh Automatisierte beizzeitwahl
EP3951014B1 (en) 2020-01-09 2024-05-22 Primetals Technologies Japan, Ltd. Method for pickling steel plate and pickling apparatus
CN112281167A (zh) * 2020-10-24 2021-01-29 上海今电实业有限公司 一种管道清洗用酸洗液及其应用
CN117529577A (zh) 2021-07-09 2024-02-06 普锐特冶金技术日本有限公司 酸洗装置和酸洗方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3622478A (en) * 1960-11-14 1971-11-23 Gen Electric Continuous regeneration of ferric sulfate pickling bath
JPS50133125A (pt) * 1974-04-10 1975-10-22
US3962005A (en) * 1975-06-30 1976-06-08 Zenith Radio Corporation Method for etching shadow mask and regenerating etchant
JPS549120A (en) 1977-06-24 1979-01-23 Tokai Electro Chemical Co Method of controlling acid cleaning liquid for stainless steel
JPS55138081A (en) * 1979-04-11 1980-10-28 Shinko Kosen Kogyo Kk Descaling method for steel or stainless steel
US5154774A (en) 1985-09-19 1992-10-13 Ugine Aciers De Chatillon Et Gueugnon Process for acid pickling of stainless steel products
EP0259533A1 (en) 1986-09-11 1988-03-16 Eka Nobel Aktiebolag Method of reducing the emission of nitrogen oxides from a liquid containing nitric acid
US4747907A (en) * 1986-10-29 1988-05-31 International Business Machines Corporation Metal etching process with etch rate enhancement
JPS63216986A (ja) * 1987-03-03 1988-09-09 Sumitomo Metal Ind Ltd 低Ｃｒ鋼の高速酸洗方法
US5354383A (en) 1991-03-29 1994-10-11 Itb, S.R.L. Process for pickling and passivating stainless steel without using nitric acid
CN1054102A (zh) * 1991-04-03 1991-08-28 朱敏 无污染可再生的钢铁除锈剂
IT1255655B (it) * 1992-08-06 1995-11-09 Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico
SE504733C2 (sv) * 1994-06-17 1997-04-14 Ta Chemistry Ab Förfarande för betning
US5518131A (en) * 1994-07-07 1996-05-21 International Business Machines Corporation Etching molydbenum with ferric sulfate and ferric ammonium sulfate

Also Published As

Publication number Publication date
ES2143138T3 (es) 2000-05-01
SE510298C2 (sv) 1999-05-10
DE69606505D1 (de) 2000-03-09
DE69606505T2 (de) 2000-08-03
JPH09170090A (ja) 1997-06-30
MX9605896A (es) 1997-09-30
US6174383B1 (en) 2001-01-16
US5810939A (en) 1998-09-22
SE9504250D0 (sv) 1995-11-28
ZA969917B (en) 1997-06-17
KR970027367A (ko) 1997-06-24
JP3128202B2 (ja) 2001-01-29
TW410241B (en) 2000-11-01
SE9504250L (sv) 1997-05-29
EP0776993A1 (en) 1997-06-04
RU2110618C1 (ru) 1998-05-10
EP0776993B1 (en) 2000-02-02
KR100244347B1 (ko) 2000-03-02
ATE189486T1 (de) 2000-02-15

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Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B11T Dismissal of application maintained [chapter 11.20 patent gazette]