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
EP1381714B8 (en) * 2001-04-09 2007-01-03 AK Steel Properties, Inc. Hydrogen peroxide pickling scheme for stainless steel grades
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
ATE404498T1 (de) * 2001-04-09 2008-08-15 Ak Steel Properties Inc Verfahren und vorrichtung zur entfernung von wasserstoffperoxid aus beizlösungen
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
US20050037935A1 (en) * 2003-08-11 2005-02-17 Abd Elhamid Mahmoud H. Composition and method for surface treatment of oxidized metal
US7396559B2 (en) * 2003-08-11 2008-07-08 General Motors Corporation Method of making an electrically conductive element for use in a fuel cell
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
CN101631895B (zh) * 2007-02-12 2013-05-08 汉高股份及两合公司 处理金属表面的方法
DE102009038795A1 (de) * 2009-08-25 2011-05-05 Poligrat Gmbh Beizverfahren für Edelstahl
JP5897717B2 (ja) 2011-09-26 2016-03-30 エイケイ・スチール・プロパティーズ・インコーポレイテッドＡＫ Ｓｔｅｅｌ Ｐｒｏｐｅｒｔｉｅｓ， Ｉｎｃ． 酸化電解酸浴中でのステンレス鋼の酸洗い
EP4034873A1 (de) * 2019-09-26 2022-08-03 Kopschina, Sascha Automatisierte beizzeitwahl
JP7176137B2 (ja) * 2020-01-09 2022-11-21 Ｐｒｉｍｅｔａｌｓ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｊａｐａｎ株式会社 鋼板の酸洗方法及び酸洗装置
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
US12371800B2 (en) 2021-07-09 2025-07-29 Primetals Technologies Japan, Ltd. Pickling apparatus and pickling method

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

Similar Documents

Publication Publication Date Title
ES2143138T3 (es) Metodo para decapar acero.
DE69231180D1 (de) Komposition für desinfizierung und deren verwendung
PL292799A1 (en) Method of processing aqueous solutions containing hydrogen sulfide, hydrogen cyanide and ammonia
ATE121805T1 (de) Verfahren zum beizen von gegenständen aus stahl, insbesondere aus rostfreiem stahl.
BR9808791A (pt) Processos para remover arsênico pentavalente de uma solução aquosa, para oxidar arsênico trivalente em arsênico pentavalente, para remover arsênico trivalente de uma solução aquosa, e, meio insolúvel em água
DE69705993D1 (de) Beizen von rostfreiem Stahl mit Wasserstoffperoxid enthaltender Lösung
FR2710045B1 (fr) Procédé pour l'enrichissement et la purification d'une solution aqueuse de peroxyde d'hydrogène.
PL312938A1 (en) Method of catalytically treating sewage and method of regenerating a catalyst used for that purpose
MX9201470A (es) Pieza forjada de acero, maquinable, fuerte, pero agrietable, con baja ductilidad y metodo de elaboracion.
MXPA01008184A (es) Procedimiento para tratar superficies de piezas mecanicas sometidas al desgaste y a la corrosion.
ES2138791T3 (es) Reduccion de cationes hidrolizables en petroleo crudo.
OA09923A (en) Immobilisation of metal contaminants from a liquid to a solid medium
DE59702666D1 (de) Vorrichtung zur katalytischen zersetzung von wasserstoffperoxyd
ES2158187T3 (es) Agente de avivaje.
ZA973888B (en) Hydrogen peroxide pickling of stainless steel.
FI935356L (fi) Menetelmä vetyperoksidin vesiliuosten hiilipitoisuuden vähentämiseksi
ATE132917T1 (de) Verfahren zur chemischen konversion von metallgegenständen, verwendetes bad dafür und konzentrat zur herstellung des bades
ATE161805T1 (de) Verfahren zur aufarbeitung einer wässrigen prozessflüssigkeit des aminoxidverfahrens
GB2328996A (en) Apparatus for laying a pipeline in deep water
TR28132A (tr) Kromsuz temizleyici / oksit giderici sistem.
DE69100801D1 (de) Verfahren zum Bleichen.
ES2035931T3 (es) Procedimiento e instalacion de tratamiento con oxigeno de efluentes gaseosos que contienen dioxido de azufre.
FI954635A7 (fi) Kemiallinen hapetusmenetelmä raskaasti kuormitetun jäteveden puhdistamista varten
ES2099027A1 (es) Estabilizante del agua oxigenada contenido en un baño de decapado de acero inoxidable, baño y procedimiento de decapado.
EP0600359A3 (en) Process for increasing the bleaching efficiency of an inorganic content or hydrogen peroxide.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 776993

Country of ref document: ES