JPS5479956A - Method of treating muddy sludge or the like - Google Patents
Method of treating muddy sludge or the likeInfo
- Publication number
- JPS5479956A JPS5479956A JP14790277A JP14790277A JPS5479956A JP S5479956 A JPS5479956 A JP S5479956A JP 14790277 A JP14790277 A JP 14790277A JP 14790277 A JP14790277 A JP 14790277A JP S5479956 A JPS5479956 A JP S5479956A
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- containing heavy
- heavy metals
- muddy
- muddy sludge
- 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.)
- Granted
Links
Abstract
PURPOSE: To produce solidified material containing heavy metal from muddy sludge containing heavy metals such as muddy sludge or the like by adding sodium aluminate and sodium silicate to the sludge.
CONSTITUTION: Sodium aluminate and sodium silicate and its hydrate are added to sludge containing heavy metals such as muddy sludge or the like to adjust its pH to 7 to 8, thereby to generate solidified material containing heavy metals from the sludge. Then, the material is separated from supernatant liquid. The material thus separated is pressurized and dehydrated to form cake for burying material or the like.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14790277A JPS5479956A (en) | 1977-12-08 | 1977-12-08 | Method of treating muddy sludge or the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14790277A JPS5479956A (en) | 1977-12-08 | 1977-12-08 | Method of treating muddy sludge or the like |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5479956A true JPS5479956A (en) | 1979-06-26 |
JPS5718960B2 JPS5718960B2 (en) | 1982-04-20 |
Family
ID=15440711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14790277A Granted JPS5479956A (en) | 1977-12-08 | 1977-12-08 | Method of treating muddy sludge or the like |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5479956A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0457371U (en) * | 1990-09-21 | 1992-05-18 | ||
JPH0529680U (en) * | 1991-09-30 | 1993-04-20 | 日本電気株式会社 | Ratchet driver |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52139260A (en) * | 1976-05-18 | 1977-11-21 | Denki Kagaku Kogyo Kk | Solidifying materal for sludge |
-
1977
- 1977-12-08 JP JP14790277A patent/JPS5479956A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52139260A (en) * | 1976-05-18 | 1977-11-21 | Denki Kagaku Kogyo Kk | Solidifying materal for sludge |
Also Published As
Publication number | Publication date |
---|---|
JPS5718960B2 (en) | 1982-04-20 |
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