ES2077465T3 - Utilizacion de inhibidores, facilmente eliminables, en acidos decapantes. - Google Patents

Utilizacion de inhibidores, facilmente eliminables, en acidos decapantes.

Info

Publication number
ES2077465T3
ES2077465T3 ES93120411T ES93120411T ES2077465T3 ES 2077465 T3 ES2077465 T3 ES 2077465T3 ES 93120411 T ES93120411 T ES 93120411T ES 93120411 T ES93120411 T ES 93120411T ES 2077465 T3 ES2077465 T3 ES 2077465T3
Authority
ES
Spain
Prior art keywords
inhibitors
easily removable
acids
pickling acids
separating acids
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
ES93120411T
Other languages
English (en)
Inventor
Gunther Dr Wasow
Lothar Klicker
Hay Fieten
Klaus Dr Tebbe
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.)
Norsk Hydro Chemtech GmbH
Original Assignee
Norsk Hydro Chemtech GmbH
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 Norsk Hydro Chemtech GmbH filed Critical Norsk Hydro Chemtech GmbH
Application granted granted Critical
Publication of ES2077465T3 publication Critical patent/ES2077465T3/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
    • 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
    • C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
    • C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
    • C23G1/061—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors nitrogen-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
    • C23G1/36—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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

LA INVENCION SE REFIERE A LA APLICACION DE INHIBIDORES ESPECIALES EN MORDIENTES QUE SE PUEDEN ELIMINAR EN EL TRATAMIENTO DEL MORDIENTE EMPLEADO CON PROCEDIMIENTOS USUALES, ASI COMO MORDIENTES QUE CONTIENEN ESTOS INHIBIDORES, ADEMAS UN PROCEDIMIENTO PARA LIMPIAR DECAPADOS METALICOS ACIDOS USADOS QUE CONTIENEN ESTOS INHIBIDORES, QUE SE CARACTERIZA, YA QUE EL SISTEMA ACTIVADOR IENTO.
ES93120411T 1992-12-24 1993-12-17 Utilizacion de inhibidores, facilmente eliminables, en acidos decapantes. Expired - Lifetime ES2077465T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4244245A DE4244245A1 (de) 1992-12-24 1992-12-24 Verwendung von leicht entfernbaren Inhibitoren in Beizsäuren

Publications (1)

Publication Number Publication Date
ES2077465T3 true ES2077465T3 (es) 1995-11-16

Family

ID=6476650

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93120411T Expired - Lifetime ES2077465T3 (es) 1992-12-24 1993-12-17 Utilizacion de inhibidores, facilmente eliminables, en acidos decapantes.

Country Status (5)

Country Link
EP (1) EP0603763B1 (es)
AT (1) ATE127538T1 (es)
DE (2) DE4244245A1 (es)
DK (1) DK0603763T3 (es)
ES (1) ES2077465T3 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618899A1 (de) * 1996-05-10 1997-11-13 Metallgesellschaft Ag Verfahren zum Entfernen von mit Seifen behafteten Konversionsschichten von metallischen Werkstücken
DE102023123910A1 (de) * 2023-09-05 2025-03-06 Spiraltec Gmbh Metallabtrennung aus sauren wässrigen Lösungen
DE102023123911A1 (de) * 2023-09-05 2025-03-06 Spiraltec Gmbh Abwasserfreie Behandlung von sauren wässrigen metallsalzhaltigen Lösungen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE481309A (es) * 1947-03-25
US3113113A (en) * 1958-11-07 1963-12-03 Armour & Co Corrosion inhibitor compositions
US3056746A (en) * 1959-02-24 1962-10-02 Jr Frederick C Brightly Acid pickling composition with inhibitor
FR1283323A (fr) * 1960-12-23 1962-02-02 Cie D Applic Chimiques A L Ind Produit inhibiteur de l'attaque des métaux par les acides forts
GB1010753A (en) * 1963-08-22 1965-11-24 Ici Ltd Corrosion restraining compositions
JPS4989635A (es) * 1972-12-27 1974-08-27
US4381249A (en) * 1979-05-14 1983-04-26 Bouffard Joseph O Rust removing and metal surface protecting composition

Also Published As

Publication number Publication date
DE59300568D1 (de) 1995-10-12
ATE127538T1 (de) 1995-09-15
DE4244245A1 (de) 1994-06-30
EP0603763B1 (de) 1995-09-06
DK0603763T3 (da) 1995-12-04
EP0603763A1 (de) 1994-06-29

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