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ATA255482A - METHOD FOR PROCESSING USED BEIZER OR CORROSIVE SOLUTIONS BASED ON SALPETER FLUORIC ACID - Google Patents

METHOD FOR PROCESSING USED BEIZER OR CORROSIVE SOLUTIONS BASED ON SALPETER FLUORIC ACID

Info

Publication number
ATA255482A
ATA255482A AT0255482A AT255482A ATA255482A AT A255482 A ATA255482 A AT A255482A AT 0255482 A AT0255482 A AT 0255482A AT 255482 A AT255482 A AT 255482A AT A255482 A ATA255482 A AT A255482A
Authority
AT
Austria
Prior art keywords
beizer
salpeter
processing used
fluoric acid
solutions based
Prior art date
Application number
AT0255482A
Other languages
German (de)
Other versions
AT374508B (en
Inventor
Gerald Dr Maresch
Original Assignee
Ruthner Industrieanlagen Ag
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 Ruthner Industrieanlagen Ag filed Critical Ruthner Industrieanlagen Ag
Priority to AT0255482A priority Critical patent/AT374508B/en
Publication of ATA255482A publication Critical patent/ATA255482A/en
Application granted granted Critical
Publication of AT374508B publication Critical patent/AT374508B/en

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
    • C23G1/36—Regeneration of waste pickling liquors
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/46—Regeneration of etching compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • ing And Chemical Polishing (AREA)
AT0255482A 1982-07-01 1982-07-01 METHOD FOR PROCESSING USED BEIZER OR CORROSIVE SOLUTIONS BASED ON SALPETER FLUORIC ACID AT374508B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT0255482A AT374508B (en) 1982-07-01 1982-07-01 METHOD FOR PROCESSING USED BEIZER OR CORROSIVE SOLUTIONS BASED ON SALPETER FLUORIC ACID

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0255482A AT374508B (en) 1982-07-01 1982-07-01 METHOD FOR PROCESSING USED BEIZER OR CORROSIVE SOLUTIONS BASED ON SALPETER FLUORIC ACID

Publications (2)

Publication Number Publication Date
ATA255482A true ATA255482A (en) 1983-09-15
AT374508B AT374508B (en) 1984-05-10

Family

ID=3536355

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0255482A AT374508B (en) 1982-07-01 1982-07-01 METHOD FOR PROCESSING USED BEIZER OR CORROSIVE SOLUTIONS BASED ON SALPETER FLUORIC ACID

Country Status (1)

Country Link
AT (1) AT374508B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4572824A (en) * 1984-11-01 1986-02-25 General Electric Company Process for recovery of zirconium and acid from spent etching solutions
AT395312B (en) * 1987-06-16 1992-11-25 Andritz Ag Maschf METHOD FOR RECOVERY OR RECOVERY OF ACID FROM METAL SOLUTIONS OF THIS ACID
FR2729676B1 (en) * 1995-01-24 1997-04-11 Zircotube METHOD AND DEVICE FOR REGENERATING A USED SOLUTION FOR STRIPPING ZIRCONIUM ALLOY ELEMENTS
AT412001B (en) * 1995-03-07 2004-08-26 Edv Systemanalyse Und Systemde METHOD FOR RECOVERY OR RECOVERY OF ACIDS
EP0843025A1 (en) * 1996-11-15 1998-05-20 Keramchemie GmbH Process for regenerating used pickling solutions
AT406168B (en) * 1998-09-03 2000-03-27 Eurox Eisenoxydproduktions Und METHOD FOR RECOVERY OR Recovery of hydrofluoric acid and nitric acid
FR2874220B1 (en) * 2004-08-10 2007-07-06 Snecma Moteurs Sa METHOD FOR REGENERATING CHEMICAL MACHINING ACIDS, INSTALLATION FOR IMPLEMENTING THE METHOD, AND METHOD FOR ASSOCIATED CHEMICAL MACHINING
DE102009038795A1 (en) * 2009-08-25 2011-05-05 Poligrat Gmbh Pickling process for stainless steel
AT522594B1 (en) * 2019-09-03 2020-12-15 Conversion of metal salt solutions into liquid acids and solid metal oxides
AT526794A1 (en) * 2022-12-20 2024-07-15 Andritz Ag Maschf ACID REGENERATION PROCESS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT335251B (en) * 1975-03-10 1977-03-10 Ruthner Industrieanlagen Ag METHOD AND DEVICE FOR THE RECOVERY OF NITRIC ACID AND FLUID ACID FROM SOLUTIONS
JPS5544588A (en) * 1978-09-26 1980-03-28 Sumitomo Metal Ind Ltd Recovering method for mixture of hydrofluoric acid and nitric acid
JPS6035995B2 (en) * 1978-10-02 1985-08-17 新日本製鐵株式会社 Concentration control method for nitric acid pickling bath
US4252602A (en) * 1978-10-04 1981-02-24 Ruthner Industrieanlagen-Aktiengesellschaft Apparatus for recovering nitric acid and hydrofluoric acid from solutions

Also Published As

Publication number Publication date
AT374508B (en) 1984-05-10

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee