JPS53142975A - Treating method for chromate waste fluid - Google Patents
Treating method for chromate waste fluidInfo
- 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
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
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)
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)
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 |
-
1977
- 1977-05-19 JP JP5848377A patent/JPS53142975A/en active Pending
Patent Citations (1)
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)
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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