JPS55167077A - Treatment of heavy metal-containing waste material - Google Patents
Treatment of heavy metal-containing waste materialInfo
- 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
Links
Landscapes
- 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
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)
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 |
-
1979
- 1979-06-15 JP JP7459079A patent/JPS55167077A/en active Pending
Cited By (5)
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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