JPS53142975A - Treating method for chromate waste fluid - Google Patents

Treating method for chromate waste fluid

Info

Publication number
JPS53142975A
JPS53142975A JP5848377A JP5848377A JPS53142975A JP S53142975 A JPS53142975 A JP S53142975A JP 5848377 A JP5848377 A JP 5848377A JP 5848377 A JP5848377 A JP 5848377A JP S53142975 A JPS53142975 A JP S53142975A
Authority
JP
Japan
Prior art keywords
water
waste fluid
chromate waste
hexavalent
treating method
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
JP5848377A
Other languages
Japanese (ja)
Inventor
Kimio Kimura
Minoru Ishida
Nobuo Nakatani
Tamotsu Boda
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.)
Nippon Paint Co Ltd
Original Assignee
Nippon Paint Co 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 Nippon Paint Co Ltd filed Critical Nippon Paint Co Ltd
Priority to JP5848377A priority Critical patent/JPS53142975A/en
Publication of JPS53142975A publication Critical patent/JPS53142975A/en
Pending legal-status Critical Current

Links

Landscapes

  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

PURPOSE: To prevent the elution of hexavalent Cr from the sludge and to remove hexavalent Cr in the treating water, by reducing the chromate waste fluid containing water-soluble hexavalent Cr compounds and water-soluble or water-dispersible resin or colloidal silica with a ferrous sait, separating the solid and liquid after neutralization and carrying out the oxidizing treatemen tof the liquid phase.
COPYRIGHT: (C)1978,JPO&Japio
JP5848377A 1977-05-19 1977-05-19 Treating method for chromate waste fluid Pending JPS53142975A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5848377A JPS53142975A (en) 1977-05-19 1977-05-19 Treating method for chromate waste fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5848377A JPS53142975A (en) 1977-05-19 1977-05-19 Treating method for chromate waste fluid

Publications (1)

Publication Number Publication Date
JPS53142975A true JPS53142975A (en) 1978-12-13

Family

ID=13085668

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5848377A Pending JPS53142975A (en) 1977-05-19 1977-05-19 Treating method for chromate waste fluid

Country Status (1)

Country Link
JP (1) JPS53142975A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62186993A (en) * 1986-02-13 1987-08-15 Kurita Water Ind Ltd Treatment of chromium-containing waste water
EP0706975A3 (en) * 1994-10-11 1998-01-07 Mario Marti Method for the removal of Cr6+ compounds from waste materials
JP2009082839A (en) * 2007-09-29 2009-04-23 Nikko Kinzoku Kk Treatment method and automated apparatus for treatment of chromium-containing waste liquid

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51113355A (en) * 1975-03-31 1976-10-06 Sumitomo Metal Ind Ltd Method of treating chromate processed iron and steel waste water

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51113355A (en) * 1975-03-31 1976-10-06 Sumitomo Metal Ind Ltd Method of treating chromate processed iron and steel waste water

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62186993A (en) * 1986-02-13 1987-08-15 Kurita Water Ind Ltd Treatment of chromium-containing waste water
JPH0571318B2 (en) * 1986-02-13 1993-10-06 Kurita Water Ind Ltd
EP0706975A3 (en) * 1994-10-11 1998-01-07 Mario Marti Method for the removal of Cr6+ compounds from waste materials
JP2009082839A (en) * 2007-09-29 2009-04-23 Nikko Kinzoku Kk Treatment method and automated apparatus for treatment of chromium-containing waste liquid

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