ES2178023T3 - Metodo de decapado de productos constituidos por una aleacion de metales que contienen hierro y de productos que contienen titanio o aleaciones de titanio. - Google Patents

Metodo de decapado de productos constituidos por una aleacion de metales que contienen hierro y de productos que contienen titanio o aleaciones de titanio.

Info

Publication number
ES2178023T3
ES2178023T3 ES97949093T ES97949093T ES2178023T3 ES 2178023 T3 ES2178023 T3 ES 2178023T3 ES 97949093 T ES97949093 T ES 97949093T ES 97949093 T ES97949093 T ES 97949093T ES 2178023 T3 ES2178023 T3 ES 2178023T3
Authority
ES
Spain
Prior art keywords
titanium
products
decaping
acid
alloys
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
ES97949093T
Other languages
English (en)
Spanish (es)
Inventor
Franco Mancia
Sandro Fortunati
Ezio Novaro
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.)
Acciai Speciali Terni SpA
Original Assignee
ThyssenKrupp Acciai Speciali Terni SpA
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 ThyssenKrupp Acciai Speciali Terni SpA filed Critical ThyssenKrupp Acciai Speciali Terni SpA
Application granted granted Critical
Publication of ES2178023T3 publication Critical patent/ES2178023T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25FPROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00Electrolytic cleaning, degreasing, pickling or descaling
    • C25F1/02Pickling; Descaling
    • C25F1/04Pickling; Descaling in solution
    • C25F1/06Iron or steel
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08Iron or steel
    • C23G1/086Iron or steel solutions containing HF
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/10Other heavy metals
    • C23G1/106Other heavy metals refractory metals
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/36Regeneration of waste pickling liquors
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25FPROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00Electrolytic cleaning, degreasing, pickling or descaling
    • C25F1/02Pickling; Descaling
    • C25F1/04Pickling; Descaling in solution
    • C25F1/08Refractory metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Electrolytic Production Of Metals (AREA)
ES97949093T 1996-12-09 1997-12-05 Metodo de decapado de productos constituidos por una aleacion de metales que contienen hierro y de productos que contienen titanio o aleaciones de titanio. Expired - Lifetime ES2178023T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96RM000849A IT1288407B1 (it) 1996-12-09 1996-12-09 Metodo per il decapaggio di prodotti in lega metallica contenente ferro e di titanio e sue leghe

Publications (1)

Publication Number Publication Date
ES2178023T3 true ES2178023T3 (es) 2002-12-16

Family

ID=11404582

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97949093T Expired - Lifetime ES2178023T3 (es) 1996-12-09 1997-12-05 Metodo de decapado de productos constituidos por una aleacion de metales que contienen hierro y de productos que contienen titanio o aleaciones de titanio.

Country Status (9)

Country Link
EP (1) EP0960221B1 (de)
AT (1) ATE214436T1 (de)
AU (1) AU7847898A (de)
DE (1) DE69711090T2 (de)
ES (1) ES2178023T3 (de)
IT (1) IT1288407B1 (de)
TW (1) TW451001B (de)
WO (1) WO1998026111A1 (de)
ZA (1) ZA9710983B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1297076B1 (it) 1997-11-24 1999-08-03 Acciai Speciali Terni Spa Metodo per il decapaggio di prodotti in acciaio
IT1302202B1 (it) 1998-09-11 2000-07-31 Henkel Kgaa Processo di decapaggio elettrolitico con soluzioni esenti da acidonitrico.
DE19850524C2 (de) * 1998-11-03 2002-04-04 Eilenburger Elektrolyse & Umwelttechnik Gmbh Nitratfreies Recycling-Beizverfahren für Edelstähle
AT406486B (de) * 1998-12-22 2000-05-25 Andritz Patentverwaltung Verfahren zum beizen von edelstahl
IT1312556B1 (it) * 1999-05-03 2002-04-22 Henkel Kgaa Processo di decapaggio di acciaio inossidabile in assenza di acidonitrico ed in presenza di ioni cloruro
KR100777171B1 (ko) 2002-10-15 2007-11-16 헨켈 코만디트게젤샤프트 아우프 악티엔 강 및 스테인레스강을 위한 산세 또는 광택/부동태화 용액및 방법
US7611588B2 (en) 2004-11-30 2009-11-03 Ecolab Inc. Methods and compositions for removing metal oxides
EP1980650A1 (de) * 2007-04-05 2008-10-15 Kerma S.A. Nitrat- und Peroxydfreie Beizzusammensetzung und Verfahren zur Umsetzung einer solchen Zusammensetzung
CN103572303B (zh) * 2013-10-24 2015-11-25 中联重机股份有限公司 一种钢材化学前处理方法及所用酸洗液
CN111057935B (zh) * 2019-12-25 2021-04-02 浦项(张家港)不锈钢股份有限公司 一种耐热不锈钢的制备方法
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50133125A (de) * 1974-04-10 1975-10-22
DE3937438C2 (de) * 1989-02-23 1998-01-29 Wilfried Simmer Verfahren zum Beizen von Stahl
FR2650303B1 (fr) * 1989-07-26 1993-12-10 Ugine Aciers Chatillon Gueugnon Procede de decapage en bain acide de produits metalliques contenant du titane ou au moins un element chimique de la famille du titane
JPH04362183A (ja) * 1991-06-07 1992-12-15 Nippon Paint Co Ltd アルミニウム表面洗浄浴の再生方法
IT1282979B1 (it) * 1996-05-09 1998-04-03 Novamax Itb S R L Procedimento per il decapaggio dell'acciaio nel quale la ossidazione dello ione ferroso formatosi viene effettuata per via elettrochimica

Also Published As

Publication number Publication date
EP0960221B1 (de) 2002-03-13
DE69711090T2 (de) 2003-07-24
ZA9710983B (en) 1998-06-15
TW451001B (en) 2001-08-21
ITRM960849A0 (it) 1996-12-09
ITRM960849A1 (it) 1998-06-09
EP0960221A1 (de) 1999-12-01
ATE214436T1 (de) 2002-03-15
AU7847898A (en) 1998-07-03
WO1998026111A1 (en) 1998-06-18
DE69711090D1 (de) 2002-04-18
IT1288407B1 (it) 1998-09-22

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