US20040031696A1 - Continous electrolytic pickling method for metallic products using alternate current supplied cells - Google Patents

Continous electrolytic pickling method for metallic products using alternate current supplied cells Download PDF

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Publication number
US20040031696A1
US20040031696A1 US10/344,254 US34425403A US2004031696A1 US 20040031696 A1 US20040031696 A1 US 20040031696A1 US 34425403 A US34425403 A US 34425403A US 2004031696 A1 US2004031696 A1 US 2004031696A1
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US
United States
Prior art keywords
electrolytic
pickling method
concentration
acid
electrolytic pickling
Prior art date
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Abandoned
Application number
US10/344,254
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English (en)
Inventor
Mauro Campioni
Vincenzo Ferrari
Bruno Ferri
Stefano Luperi
Leonardo Pacelli
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Centro Sviluppo Materiali SpA
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Centro Sviluppo Materiali SpA
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Application filed by Centro Sviluppo Materiali SpA filed Critical Centro Sviluppo Materiali SpA
Assigned to CENTRO SVILUPPO MATERIALI S.P.A. reassignment CENTRO SVILUPPO MATERIALI S.P.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CAMPIONI, MAURO, FERRARI, VINCENZO, FERRI, BRUNO, LUPERI, STEFANO, PARCELLI, LEONARDO
Publication of US20040031696A1 publication Critical patent/US20040031696A1/en
Abandoned legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
    • C25F1/02—Pickling; Descaling
    • C25F1/04—Pickling; Descaling in solution
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
    • C25F1/02—Pickling; Descaling
    • C25F1/04—Pickling; Descaling in solution
    • C25F1/06—Iron or steel

Definitions

  • washing sections consisting of water jet systems equipped with rotary brushes are inserted.
  • the function carried out by these systems is the removal of the pickling solution dragged by the strip, and the non-adhering scale particles deposed on the strip surface.
  • sulphuric acid H 2 SO 4 ) from 20 to 300, and at least one among
  • the characteristics of the strip to be pickled are: strip width 1270 mm strip thickness 1.5 mm coil weight 18900 kg coil length 956 m

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Electrolytic Production Of Metals (AREA)
US10/344,254 2000-08-10 2001-08-06 Continous electrolytic pickling method for metallic products using alternate current supplied cells Abandoned US20040031696A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT2000RM000456A IT1317896B1 (it) 2000-08-10 2000-08-10 Metodo di decapaggio elettrolitico continuo di prodotti metallici concelle alimentate a corrente alternata.
ITRM2000A000456 2000-08-10
PCT/IT2001/000435 WO2002012596A2 (en) 2000-08-10 2001-08-06 Continuous electrolytic pickling method for metallic products using alternate current supplied cells

Publications (1)

Publication Number Publication Date
US20040031696A1 true US20040031696A1 (en) 2004-02-19

Family

ID=11454885

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/344,254 Abandoned US20040031696A1 (en) 2000-08-10 2001-08-06 Continous electrolytic pickling method for metallic products using alternate current supplied cells

Country Status (9)

Country Link
US (1) US20040031696A1 (it)
EP (1) EP1307609B1 (it)
CN (1) CN1318652C (it)
AT (1) ATE262057T1 (it)
AU (1) AU2001282513A1 (it)
DE (1) DE60102387T2 (it)
ES (1) ES2220795T3 (it)
IT (1) IT1317896B1 (it)
WO (1) WO2002012596A2 (it)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050016634A1 (en) * 2001-12-07 2005-01-27 Paolo Giordani Process for pickling martensitic or ferritic stainless steel
WO2010055145A1 (de) * 2008-11-13 2010-05-20 Voestalpine Stahl Gmbh Verfahren zum herstellen eines elektrolytisch verzinkten hochfesten stahlbleches
WO2012092218A1 (en) * 2010-12-30 2012-07-05 Rolls-Royce Corporation System and method for scale removal from a nickel-based superalloy component
JP2013093299A (ja) * 2011-01-17 2013-05-16 Jfe Steel Corp 燃料電池セパレータ用ステンレス鋼の製造方法、燃料電池セパレータ用ステンレス鋼、燃料電池セパレータ、ならびに燃料電池
CN111621840A (zh) * 2020-05-26 2020-09-04 大连理工大学 一种钛合金表面铁污染的双极电化学清除方法
CN113788520A (zh) * 2021-10-08 2021-12-14 北京首钢吉泰安新材料有限公司 一种铁铬铝酸洗的工艺及废水处理方法和废水处理装置
EP4253591A4 (en) * 2020-11-25 2024-05-01 POSCO Co., Ltd AUSTENITIC STAINLESS STEEL FOR POLYMER FUEL CELL SEPARATOR WITH IMPROVED CONTACT RESISTANCE AND MANUFACTURING PROCESS THEREFOR

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102260899B (zh) * 2010-05-25 2013-04-03 宝山钢铁股份有限公司 钛/钛合金板带表面氧化皮去除方法
CN103014824A (zh) * 2011-09-21 2013-04-03 李文志 低碳型交流电化学除油工艺方法
ITMI20130494A1 (it) 2013-03-29 2014-09-30 Tenova Spa Metodo per trattare in continuo la superficie di un laminato di acciaio inossidabile in una soluzione a base di acido cloridrico
ITMI20130493A1 (it) 2013-03-29 2014-09-30 Tenova Spa Metodo per trattare in continuo la superficie di un laminato di acciaio inossidabile in una soluzione a base di acido solforico
DE102015202963A1 (de) * 2015-02-18 2016-08-18 Ulrich Schekulin Verfahren und Vorrichtung zur chemisch materialabtragenden Öffnungsrandstrukturierung
CN107525061A (zh) * 2017-08-23 2017-12-29 大唐东北电力试验研究所有限公司 一种火电厂锅炉炉管垢量测定系统及方法
CN107525062A (zh) * 2017-08-23 2017-12-29 大唐东北电力试验研究所有限公司 一种火电厂过热器管样垢量测定系统及方法
JP7177425B2 (ja) * 2017-12-28 2022-11-24 株式会社日本科学エンジニアリング ステンレス鋼用電解研磨液
CN110592600A (zh) * 2019-09-23 2019-12-20 中冶南方工程技术有限公司 一种冷轧430铁素体不锈钢无硝酸酸洗工艺
CN110528009A (zh) * 2019-09-23 2019-12-03 中冶南方工程技术有限公司 一种冷轧304奥氏体不锈钢无硝酸酸洗工艺
CN110512217A (zh) * 2019-09-23 2019-11-29 中冶南方工程技术有限公司 一种冷轧201奥氏体不锈钢无硝酸酸洗工艺
KR102286367B1 (ko) * 2019-11-11 2021-08-05 주식회사 포스코 고분자 연료전지 분리판용 스테인리스강의 제조방법

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE19773E (en) * 1935-12-03 Euectrocleanuxg process
US2115005A (en) * 1936-10-15 1938-04-26 Samuel J Blaut Electrochemical treatment of metal
US2408424A (en) * 1940-06-15 1946-10-01 Monsanto Chemicals Pickling steels
US4214961A (en) * 1979-03-01 1980-07-29 Swiss Aluminium Ltd. Method and apparatus for continuous electrochemical treatment of a metal web
US5141606A (en) * 1989-10-27 1992-08-25 Permelec Electrode, Ltd. Method for the electrolytic pickling or degreasing of steel plate
US5382335A (en) * 1991-06-10 1995-01-17 Andritz-Patentverwaltungs-Gesellschaft M.B.H. Process and apparatus for the electrolytic treatment of continuously advancing electrically conductive material
US6068001A (en) * 1995-10-18 2000-05-30 Novamax Itb S.R.L. Process for stainless steel pickling and passivation without using nitric acid
US6506294B1 (en) * 1995-02-15 2003-01-14 Andritz-Patentverwaltungs-Gesselschaft M.B.H. Process for regeneration of electrolytes from pickle liquor, in particular of NA2S04 from pickle liquor for stainless steel
US20030075456A1 (en) * 2000-01-17 2003-04-24 John Collins Electrolytic treatment
US6565735B1 (en) * 1998-09-11 2003-05-20 Henkel Kommanditgesellschaft Auf Aktien Process for electrolytic pickling using nitric acid-free solutions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8517606D0 (en) * 1985-07-12 1985-08-21 Bekaert Sa Nv Cleaning by electrochemical pickling
US4813395A (en) * 1987-04-27 1989-03-21 Allied Corporation Two-cycle engine and method of operation
SU1723209A1 (ru) * 1988-11-30 1992-03-30 Уральский научно-исследовательский институт трубной промышленности Способ электрохимического травлени стальных изделий
SE501561C2 (sv) * 1993-05-09 1995-03-13 Swedish Pickling Ab Förfarande och anordning vid betning av rostfritt stål varvid strömmen leds igenom stålbandet i dess tjockleksriktning

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE19773E (en) * 1935-12-03 Euectrocleanuxg process
US2115005A (en) * 1936-10-15 1938-04-26 Samuel J Blaut Electrochemical treatment of metal
US2408424A (en) * 1940-06-15 1946-10-01 Monsanto Chemicals Pickling steels
US4214961A (en) * 1979-03-01 1980-07-29 Swiss Aluminium Ltd. Method and apparatus for continuous electrochemical treatment of a metal web
US5141606A (en) * 1989-10-27 1992-08-25 Permelec Electrode, Ltd. Method for the electrolytic pickling or degreasing of steel plate
US5382335A (en) * 1991-06-10 1995-01-17 Andritz-Patentverwaltungs-Gesellschaft M.B.H. Process and apparatus for the electrolytic treatment of continuously advancing electrically conductive material
US6506294B1 (en) * 1995-02-15 2003-01-14 Andritz-Patentverwaltungs-Gesselschaft M.B.H. Process for regeneration of electrolytes from pickle liquor, in particular of NA2S04 from pickle liquor for stainless steel
US6068001A (en) * 1995-10-18 2000-05-30 Novamax Itb S.R.L. Process for stainless steel pickling and passivation without using nitric acid
US6565735B1 (en) * 1998-09-11 2003-05-20 Henkel Kommanditgesellschaft Auf Aktien Process for electrolytic pickling using nitric acid-free solutions
US20030075456A1 (en) * 2000-01-17 2003-04-24 John Collins Electrolytic treatment

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050016634A1 (en) * 2001-12-07 2005-01-27 Paolo Giordani Process for pickling martensitic or ferritic stainless steel
US7229506B2 (en) * 2001-12-07 2007-06-12 Henkel Kommanditgesellschaft Auf Aktien Process for pickling martensitic or ferritic stainless steel
WO2010055145A1 (de) * 2008-11-13 2010-05-20 Voestalpine Stahl Gmbh Verfahren zum herstellen eines elektrolytisch verzinkten hochfesten stahlbleches
DE102008057151A1 (de) * 2008-11-13 2010-05-27 Henkel Ag & Co. Kgaa Verfahren zum Herstellen eines elektrolytisch verzinkten hochfesten Stahlbleches
WO2012092218A1 (en) * 2010-12-30 2012-07-05 Rolls-Royce Corporation System and method for scale removal from a nickel-based superalloy component
CN103492593A (zh) * 2010-12-30 2014-01-01 劳斯莱斯公司 用于从镍基超合金部件上去除结垢的系统和方法
JP2013093299A (ja) * 2011-01-17 2013-05-16 Jfe Steel Corp 燃料電池セパレータ用ステンレス鋼の製造方法、燃料電池セパレータ用ステンレス鋼、燃料電池セパレータ、ならびに燃料電池
CN111621840A (zh) * 2020-05-26 2020-09-04 大连理工大学 一种钛合金表面铁污染的双极电化学清除方法
EP4253591A4 (en) * 2020-11-25 2024-05-01 POSCO Co., Ltd AUSTENITIC STAINLESS STEEL FOR POLYMER FUEL CELL SEPARATOR WITH IMPROVED CONTACT RESISTANCE AND MANUFACTURING PROCESS THEREFOR
CN113788520A (zh) * 2021-10-08 2021-12-14 北京首钢吉泰安新材料有限公司 一种铁铬铝酸洗的工艺及废水处理方法和废水处理装置

Also Published As

Publication number Publication date
CN1318652C (zh) 2007-05-30
EP1307609A2 (en) 2003-05-07
DE60102387T2 (de) 2005-03-24
ES2220795T3 (es) 2004-12-16
CN1451058A (zh) 2003-10-22
IT1317896B1 (it) 2003-07-15
EP1307609B1 (en) 2004-03-17
AU2001282513A1 (en) 2002-02-18
ATE262057T1 (de) 2004-04-15
DE60102387D1 (de) 2004-04-22
WO2002012596A3 (en) 2002-04-25
ITRM20000456A1 (it) 2002-02-10
WO2002012596A9 (en) 2002-11-28
ITRM20000456A0 (it) 2000-08-10
WO2002012596A2 (en) 2002-02-14

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Legal Events

Date Code Title Description
AS Assignment

Owner name: CENTRO SVILUPPO MATERIALI S.P.A., ITALY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CAMPIONI, MAURO;FERRARI, VINCENZO;FERRI, BRUNO;AND OTHERS;REEL/FRAME:014541/0197

Effective date: 20030703

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION