JPS55167077A - Treatment of heavy metal-containing waste material - Google Patents

Treatment of heavy metal-containing waste material

Info

Publication number
JPS55167077A
JPS55167077A JP7459079A JP7459079A JPS55167077A JP S55167077 A JPS55167077 A JP S55167077A JP 7459079 A JP7459079 A JP 7459079A JP 7459079 A JP7459079 A JP 7459079A JP S55167077 A JPS55167077 A JP S55167077A
Authority
JP
Japan
Prior art keywords
gypsum
heavy metal
waste material
activated
containing waste
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
JP7459079A
Other languages
Japanese (ja)
Inventor
Shin Yamashita
Takao Ikehata
Kazuhiko Tachi
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan 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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP7459079A priority Critical patent/JPS55167077A/en
Publication of JPS55167077A publication Critical patent/JPS55167077A/en
Pending legal-status Critical Current

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  • Processing Of Solid Wastes (AREA)

Abstract

PURPOSE: To solidify a heavy metal-containing waste material by adding a specific activated aluminum compound such as alumina hydrate or the like to a mixture of a heavy metal-containing waste material, a converter slag, gypsum, etc. to promote the hydration reaction of the above described mixture.
CONSTITUTION: To a mixture comprising a heavy metal-containing powdery or sludge like waste material, a converter slag and gypsum, one or more of an activated aluminum compound such as alumina hydrate, aluminate, and aluminosilicate is added and, by promoting the hydration reaction of the above described mixture, solidification treatment is carried out. As gypsum, gypsum hemihydrate or anhydrous gypsum baked at about 300°C or less is pref. used. As an activated alumina hydrate, sodium aluminate, "KANUMA" soil, gibbsite, etc. are designated and, calcium aliminate or the like as an activated aluminate. As an activated aluminosilicate, nepheline, mica or kaolinate or the like are designated.
COPYRIGHT: (C)1980,JPO&Japio
JP7459079A 1979-06-15 1979-06-15 Treatment of heavy metal-containing waste material Pending JPS55167077A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7459079A JPS55167077A (en) 1979-06-15 1979-06-15 Treatment of heavy metal-containing waste material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7459079A JPS55167077A (en) 1979-06-15 1979-06-15 Treatment of heavy metal-containing waste material

Publications (1)

Publication Number Publication Date
JPS55167077A true JPS55167077A (en) 1980-12-26

Family

ID=13551521

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7459079A Pending JPS55167077A (en) 1979-06-15 1979-06-15 Treatment of heavy metal-containing waste material

Country Status (1)

Country Link
JP (1) JPS55167077A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4764216A (en) * 1984-11-15 1988-08-16 Pelt & Hooykaas B.V. Method of converting particles liberated in chemical or physical processes into a harmless form by mixing with a molten silicate-containing material
US5067981A (en) * 1988-09-29 1991-11-26 Pelt & Hooykaas B.V. Method for rendering toxic waste harmless
FR2703604A1 (en) * 1993-04-06 1994-10-14 Sol Cie Process and stabilization and solidification of waste pollutants, products obtained by this process, and produced to implement it.
US6388165B1 (en) * 1996-10-22 2002-05-14 Vasanth K. Bhat Method and compositions for stabilization of heavy metals, acid gas removal and pH control in contaminated matrices

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4764216A (en) * 1984-11-15 1988-08-16 Pelt & Hooykaas B.V. Method of converting particles liberated in chemical or physical processes into a harmless form by mixing with a molten silicate-containing material
US5067981A (en) * 1988-09-29 1991-11-26 Pelt & Hooykaas B.V. Method for rendering toxic waste harmless
FR2703604A1 (en) * 1993-04-06 1994-10-14 Sol Cie Process and stabilization and solidification of waste pollutants, products obtained by this process, and produced to implement it.
EP0619278A3 (en) * 1993-04-06 1995-01-04 Sol Comp Du Process for stabilising and solidifying pollutant waste materials, products thus obtained and products for carrying out this process.
US6388165B1 (en) * 1996-10-22 2002-05-14 Vasanth K. Bhat Method and compositions for stabilization of heavy metals, acid gas removal and pH control in contaminated matrices

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