JPS5244771A - Method of making plating sludge harmless - Google Patents
Method of making plating sludge harmlessInfo
- Publication number
- JPS5244771A JPS5244771A JP12154975A JP12154975A JPS5244771A JP S5244771 A JPS5244771 A JP S5244771A JP 12154975 A JP12154975 A JP 12154975A JP 12154975 A JP12154975 A JP 12154975A JP S5244771 A JPS5244771 A JP S5244771A
- Authority
- JP
- Japan
- Prior art keywords
- plating sludge
- sludge harmless
- making plating
- heavy metal
- harmful heavy
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Gasification And Melting Of Waste (AREA)
- Treatment Of Sludge (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
PURPOSE: Plating sludge containing harmful heavy metal oxides, etc. is mixed wity charcoal, S, lime, etc., molded, and calcined at above 500°C in the absence of air to reduce harmful heavy metal compounds to harmless stable metals (or metal carbides).
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12154975A JPS5244771A (en) | 1975-10-06 | 1975-10-06 | Method of making plating sludge harmless |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12154975A JPS5244771A (en) | 1975-10-06 | 1975-10-06 | Method of making plating sludge harmless |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5244771A true JPS5244771A (en) | 1977-04-08 |
Family
ID=14813987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12154975A Pending JPS5244771A (en) | 1975-10-06 | 1975-10-06 | Method of making plating sludge harmless |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5244771A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52128879A (en) * | 1976-04-23 | 1977-10-28 | Daiichi Nenryo Kogyo | Method of nonnpolluting sludge containing chromium |
JPS5556897A (en) * | 1978-10-20 | 1980-04-26 | Hokkaido | Treatment method of chromium-containing waste with sewage sludge |
-
1975
- 1975-10-06 JP JP12154975A patent/JPS5244771A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52128879A (en) * | 1976-04-23 | 1977-10-28 | Daiichi Nenryo Kogyo | Method of nonnpolluting sludge containing chromium |
JPS5556897A (en) * | 1978-10-20 | 1980-04-26 | Hokkaido | Treatment method of chromium-containing waste with sewage sludge |
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