JPS5244771A - Method of making plating sludge harmless - Google Patents

Method of making plating sludge harmless

Info

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
Application number
JP12154975A
Other languages
Japanese (ja)
Inventor
Kenjiro Takeshita
Isao Mochida
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP12154975A priority Critical patent/JPS5244771A/en
Publication of JPS5244771A publication Critical patent/JPS5244771A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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
JP12154975A 1975-10-06 1975-10-06 Method of making plating sludge harmless Pending JPS5244771A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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