JPS5514868A - Plating sludge treating method - Google Patents

Plating sludge treating method

Info

Publication number
JPS5514868A
JPS5514868A JP8755378A JP8755378A JPS5514868A JP S5514868 A JPS5514868 A JP S5514868A JP 8755378 A JP8755378 A JP 8755378A JP 8755378 A JP8755378 A JP 8755378A JP S5514868 A JPS5514868 A JP S5514868A
Authority
JP
Japan
Prior art keywords
reducing
plating
furnace
ash
agent
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
JP8755378A
Other languages
Japanese (ja)
Inventor
Mitsuo Nakajima
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP8755378A priority Critical patent/JPS5514868A/en
Publication of JPS5514868A publication Critical patent/JPS5514868A/en
Pending legal-status Critical Current

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

  • Manufacture And Refinement Of Metals (AREA)

Abstract

PURPOSE: To turn the sludge pollution-free and recover valuable metals such as Cr and Ni, by baking the sludge obtained from the plating waste liquid into ash, and melting and reducing in an electric furnace together with reducing agent and slag-making agent.
CONSTITUTION: Sludge obtained by treating plating waste liquid of Cr plating, Ni plating, or the like is incinerated into ash. Since the ash contains Cr, Ni, etc., it is charged into an reducing-refining furnace of electric furnace or the like, together with carbon group reducing agent such as charcoal and coke, and slag-making agent such as silica, lime and fluorite etc. The mixture is heated to 1300 to 1800°C and melted, and Cr, Ni, etc. are recovered as metal after reducing. The powdery dust generated from the furnace is recovered, and turned into briquette by using binder such as cement, and is put into the furnace, and melted and reduced. The slug thus produced does not contain heavy metals such as Cr and Ni etc., so that it may be a completely pollution-free substance.
COPYRIGHT: (C)1980,JPO&Japio
JP8755378A 1978-07-18 1978-07-18 Plating sludge treating method Pending JPS5514868A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8755378A JPS5514868A (en) 1978-07-18 1978-07-18 Plating sludge treating method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8755378A JPS5514868A (en) 1978-07-18 1978-07-18 Plating sludge treating method

Publications (1)

Publication Number Publication Date
JPS5514868A true JPS5514868A (en) 1980-02-01

Family

ID=13918171

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8755378A Pending JPS5514868A (en) 1978-07-18 1978-07-18 Plating sludge treating method

Country Status (1)

Country Link
JP (1) JPS5514868A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ297694B6 (en) * 2005-10-04 2007-03-07 Gajdzica@Karel Ingredient scrap briquette and process for producing thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5210805A (en) * 1975-07-15 1977-01-27 Musashi Koki Kk A process of recovering metals in treatment residue such as incinerati on ashes and industrial waste liquids
JPS52123304A (en) * 1976-04-08 1977-10-17 Musashi Koki Kk Process for recovery of metals and slag from cinder and residue formed by industrial and other sewage treatment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5210805A (en) * 1975-07-15 1977-01-27 Musashi Koki Kk A process of recovering metals in treatment residue such as incinerati on ashes and industrial waste liquids
JPS52123304A (en) * 1976-04-08 1977-10-17 Musashi Koki Kk Process for recovery of metals and slag from cinder and residue formed by industrial and other sewage treatment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ297694B6 (en) * 2005-10-04 2007-03-07 Gajdzica@Karel Ingredient scrap briquette and process for producing thereof

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