ES2143138T3 - Metodo para decapar acero. - Google Patents

Metodo para decapar acero.

Info

Publication number
ES2143138T3
ES2143138T3 ES96203240T ES96203240T ES2143138T3 ES 2143138 T3 ES2143138 T3 ES 2143138T3 ES 96203240 T ES96203240 T ES 96203240T ES 96203240 T ES96203240 T ES 96203240T ES 2143138 T3 ES2143138 T3 ES 2143138T3
Authority
ES
Spain
Prior art keywords
steel
stripping method
steel stripping
pickling
pickling solution
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
ES96203240T
Other languages
English (en)
Inventor
Charlotte Angel
Troy Berglind
Arne Frestad
Sven-Eric Lunner
Anders Waleij
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.)
Nouryon Pulp and Performance Chemicals AB
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=ES2143138(T3) "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
Application granted granted Critical
Publication of ES2143138T3 publication Critical patent/ES2143138T3/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
    • 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)

Abstract

LA INVENCION SE RELACIONA CON UN METODO DE DECAPADO DE ACERO, EN UNA SOLUCION ACUOSA ACIDA DE DECAPADO, QUE CONTIENE FE{SUP,3+} Y FE{SUP,2+}, DONDE EL ACERO SE PONE EN CONTACTO CON LA SOLUCION DE DECAPADO, QUE SE HACE CIRCULAR DE FORMA CONTINUA A TRAVES DE UN CONDUCTO, AL INTERIOR DEL CUAL SE SUMINISTRA PEROXIDO DE HIDROGENO, QUE OXIDA EL FE{SUP,2+} A FE{SUP,3+}.
ES96203240T 1995-11-28 1996-11-19 Metodo para decapar acero. Expired - Lifetime ES2143138T3 (es)

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
ES2143138T3 true ES2143138T3 (es) 2000-05-01

Family

ID=20400387

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96203240T Expired - Lifetime ES2143138T3 (es) 1995-11-28 1996-11-19 Metodo para decapar acero.

Country Status (12)

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

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
CA2443687C (en) 2001-04-09 2009-08-11 Vijay N. Madi Hydrogen peroxide pickling of silicon-containing electrical steel grades
AU2002252617B2 (en) * 2001-04-09 2007-05-31 Ak Steel Properties, Inc. Hydrogen peroxide pickling scheme for stainless steel grades
WO2002081380A1 (en) * 2001-04-09 2002-10-17 Ak Properties, Inc. Apparatus and method for removing hydrogen peroxide from spent pickle liquor
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
ES2391870T3 (es) * 2007-02-12 2012-11-30 Henkel Ag & Co. Kgaa Procedimiento para tratar superficies metálicas
DE102009038795A1 (de) * 2009-08-25 2011-05-05 Poligrat Gmbh Beizverfahren für Edelstahl
BR112014007132A2 (pt) 2011-09-26 2017-04-04 Ak Steel Properties Inc decapagem de aço inoxidável em um banho de ácido ele-trolítico, oxidante
EP4034873A1 (de) * 2019-09-26 2022-08-03 Kopschina, Sascha Automatisierte beizzeitwahl
US20220220619A1 (en) * 2020-01-09 2022-07-14 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
JPWO2023281739A1 (es) 2021-07-09 2023-01-12

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 (es) * 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
US5810939A (en) 1998-09-22
EP0776993A1 (en) 1997-06-04
SE9504250L (sv) 1997-05-29
KR970027367A (ko) 1997-06-24
DE69606505T2 (de) 2000-08-03
JPH09170090A (ja) 1997-06-30
EP0776993B1 (en) 2000-02-02
RU2110618C1 (ru) 1998-05-10
JP3128202B2 (ja) 2001-01-29
ATE189486T1 (de) 2000-02-15
DE69606505D1 (de) 2000-03-09
TW410241B (en) 2000-11-01
MX9605896A (es) 1997-09-30
US6174383B1 (en) 2001-01-16
ZA969917B (en) 1997-06-17
KR100244347B1 (ko) 2000-03-02
SE9504250D0 (sv) 1995-11-28
BR9605745A (pt) 1998-08-25
SE510298C2 (sv) 1999-05-10

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