JPS5225448A - Method of making heavy metal sludge indissoluble - Google Patents

Method of making heavy metal sludge indissoluble

Info

Publication number
JPS5225448A
JPS5225448A JP9458375A JP9458375A JPS5225448A JP S5225448 A JPS5225448 A JP S5225448A JP 9458375 A JP9458375 A JP 9458375A JP 9458375 A JP9458375 A JP 9458375A JP S5225448 A JPS5225448 A JP S5225448A
Authority
JP
Japan
Prior art keywords
heavy metal
indissoluble
metal sludge
making heavy
making
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
JP9458375A
Other languages
Japanese (ja)
Inventor
Izuru Sugano
Katsu Kanamori
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP9458375A priority Critical patent/JPS5225448A/en
Publication of JPS5225448A publication Critical patent/JPS5225448A/en
Pending legal-status Critical Current

Links

Landscapes

  • Removal Of Specific Substances (AREA)
  • Treatment Of Sludge (AREA)

Abstract

PURPOSE: To provide a method of making stable sludge composed of heavy metal hydroxides and oxides which hardly dissolve out heavy metals and permitting land-fill with them or other ways of use.
COPYRIGHT: (C)1977,JPO&Japio
JP9458375A 1975-08-01 1975-08-01 Method of making heavy metal sludge indissoluble Pending JPS5225448A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9458375A JPS5225448A (en) 1975-08-01 1975-08-01 Method of making heavy metal sludge indissoluble

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9458375A JPS5225448A (en) 1975-08-01 1975-08-01 Method of making heavy metal sludge indissoluble

Publications (1)

Publication Number Publication Date
JPS5225448A true JPS5225448A (en) 1977-02-25

Family

ID=14114287

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9458375A Pending JPS5225448A (en) 1975-08-01 1975-08-01 Method of making heavy metal sludge indissoluble

Country Status (1)

Country Link
JP (1) JPS5225448A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5442363A (en) * 1977-09-10 1979-04-04 Koushichirou Yabuta Apparatus for treating sludge containing heavy metals
JPS5464117A (en) * 1977-10-26 1979-05-23 Tokushu Seishi Kk Fire retardant paper
JPS57179231A (en) * 1981-04-28 1982-11-04 Sanwa Chem:Kk Agent and method for making cellulosic material flame-retardant

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5442363A (en) * 1977-09-10 1979-04-04 Koushichirou Yabuta Apparatus for treating sludge containing heavy metals
JPS5464117A (en) * 1977-10-26 1979-05-23 Tokushu Seishi Kk Fire retardant paper
JPS57179231A (en) * 1981-04-28 1982-11-04 Sanwa Chem:Kk Agent and method for making cellulosic material flame-retardant
JPS6347840B2 (en) * 1981-04-28 1988-09-26 Sanwa Chemical Co Ltd

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