JPS5251747A - Method of treating sludge - Google Patents
Method of treating sludgeInfo
- Publication number
- JPS5251747A JPS5251747A JP12674775A JP12674775A JPS5251747A JP S5251747 A JPS5251747 A JP S5251747A JP 12674775 A JP12674775 A JP 12674775A JP 12674775 A JP12674775 A JP 12674775A JP S5251747 A JPS5251747 A JP S5251747A
- Authority
- JP
- Japan
- Prior art keywords
- treating sludge
- heavy metals
- fitered
- dregs
- dehydration
- 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
- Fire-Extinguishing Compositions (AREA)
- Treatment Of Sludge (AREA)
Abstract
PURPOSE: To provide a method of treating sludge, in which dissolution of heavy metals in fitered dregs into water is prevented by adding sulfides to sludges containing harmful heavy metals alone or in combination with other agents such as calcium sulfate or diatomaceous earth, followed by dehydration and drying.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12674775A JPS5251747A (en) | 1975-10-20 | 1975-10-20 | Method of treating sludge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12674775A JPS5251747A (en) | 1975-10-20 | 1975-10-20 | Method of treating sludge |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5251747A true JPS5251747A (en) | 1977-04-25 |
Family
ID=14942897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12674775A Pending JPS5251747A (en) | 1975-10-20 | 1975-10-20 | Method of treating sludge |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5251747A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007105549A (en) * | 2005-08-19 | 2007-04-26 | Ube Ind Ltd | Treatment composition for heavy metal contaminated soil and treatment method |
CN114437728A (en) * | 2022-01-11 | 2022-05-06 | 中交三航局第八工程(湖南)有限公司 | Preparation method of repairing agent for fluorine pollution, prepared repairing agent and application thereof |
-
1975
- 1975-10-20 JP JP12674775A patent/JPS5251747A/en active Pending
Non-Patent Citations (1)
Title |
---|
INDUSTRIAL WASTES THEIR DISPOSAL AND TREATMENT * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007105549A (en) * | 2005-08-19 | 2007-04-26 | Ube Ind Ltd | Treatment composition for heavy metal contaminated soil and treatment method |
CN114437728A (en) * | 2022-01-11 | 2022-05-06 | 中交三航局第八工程(湖南)有限公司 | Preparation method of repairing agent for fluorine pollution, prepared repairing agent and application thereof |
CN114437728B (en) * | 2022-01-11 | 2023-09-29 | 中交三航局第八工程(湖南)有限公司 | Preparation method of restoration agent for fluorine pollution, prepared restoration agent and application of restoration agent |
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