JPS53123340A - Regenerating method for waster of phosphate-film forming process - Google Patents

Regenerating method for waster of phosphate-film forming process

Info

Publication number
JPS53123340A
JPS53123340A JP3766977A JP3766977A JPS53123340A JP S53123340 A JPS53123340 A JP S53123340A JP 3766977 A JP3766977 A JP 3766977A JP 3766977 A JP3766977 A JP 3766977A JP S53123340 A JPS53123340 A JP S53123340A
Authority
JP
Japan
Prior art keywords
phosphate
film forming
waster
forming process
waste water
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.)
Pending
Application number
JP3766977A
Other languages
Japanese (ja)
Inventor
Shunichi Hayashi
Minoru Aoki
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP3766977A priority Critical patent/JPS53123340A/en
Publication of JPS53123340A publication Critical patent/JPS53123340A/en
Pending 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/86—Regeneration of coating baths

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

PURPOSE:To remove the divalent iron ion accumulated in the waste water without changing the acidity, and to regenerate and reuse the waste water of deteriorated capacity flowing out of the cleaning and phosphate-film forming processes, by adding a proper quantity of hydrogen peroxide to the phosphoric acid group waste water.
JP3766977A 1977-04-04 1977-04-04 Regenerating method for waster of phosphate-film forming process Pending JPS53123340A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3766977A JPS53123340A (en) 1977-04-04 1977-04-04 Regenerating method for waster of phosphate-film forming process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3766977A JPS53123340A (en) 1977-04-04 1977-04-04 Regenerating method for waster of phosphate-film forming process

Publications (1)

Publication Number Publication Date
JPS53123340A true JPS53123340A (en) 1978-10-27

Family

ID=12504030

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3766977A Pending JPS53123340A (en) 1977-04-04 1977-04-04 Regenerating method for waster of phosphate-film forming process

Country Status (1)

Country Link
JP (1) JPS53123340A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016507657A (en) * 2013-03-06 2016-03-10 ピーピージー・インダストリーズ・オハイオ・インコーポレイテッドＰＰＧ Ｉｎｄｕｓｔｒｉｅｓ Ｏｈｉｏ，Ｉｎｃ． Method for processing ferrous metal substrates

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016507657A (en) * 2013-03-06 2016-03-10 ピーピージー・インダストリーズ・オハイオ・インコーポレイテッドＰＰＧ Ｉｎｄｕｓｔｒｉｅｓ Ｏｈｉｏ，Ｉｎｃ． Method for processing ferrous metal substrates

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