JPS5547200A - Drying sludge or like - Google Patents
Drying sludge or likeInfo
- Publication number
- JPS5547200A JPS5547200A JP12100978A JP12100978A JPS5547200A JP S5547200 A JPS5547200 A JP S5547200A JP 12100978 A JP12100978 A JP 12100978A JP 12100978 A JP12100978 A JP 12100978A JP S5547200 A JPS5547200 A JP S5547200A
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- quick lime
- reaction
- water
- lime
- 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
Abstract
PURPOSE: To provide a soil conditioner by drying without losing inorganic and organic fertilizer components in sludge, sludge is mechanically dehydrated in advance, then added with quick lime while utilizing its exothermic reaction and water absorbing reaction as dehydration treatment.
CONSTITUTION: Raw sludge is mechanically dehydrated to provide active sludge which still contain about 40% of water. The active sludge, if added with quick lime, allows the quick lime and contained water to react each other to produce a large quantity of heat. Such exothermic reaction dries the sludge producing powdered slaked lime in nearly anhydrous condition. The reaction causes nitrogen, phosphoric acid, and potassium to transform into soluble state, and fibrous material into semi-carbonaceous condition. Thus, the produced slaked lime is useful as an excellent soil conditioner.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12100978A JPS5547200A (en) | 1978-09-29 | 1978-09-29 | Drying sludge or like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12100978A JPS5547200A (en) | 1978-09-29 | 1978-09-29 | Drying sludge or like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5547200A true JPS5547200A (en) | 1980-04-03 |
Family
ID=14800526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12100978A Pending JPS5547200A (en) | 1978-09-29 | 1978-09-29 | Drying sludge or like |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5547200A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58146276A (en) * | 1982-02-22 | 1983-08-31 | Terajima Toshishige | Culture medium for procaryote |
| WO2011013491A1 (en) * | 2009-07-29 | 2011-02-03 | Araki Hiroshi | Method for treatment of sludge, and facility for the treatment |
| CN102964052A (en) * | 2012-10-22 | 2013-03-13 | 马鞍山钢铁股份有限公司 | Processing method of limestone washing sludge |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5223850A (en) * | 1975-08-18 | 1977-02-23 | Toshinori Harada | Treatment and disposal of raw sewage and industrial waste |
-
1978
- 1978-09-29 JP JP12100978A patent/JPS5547200A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5223850A (en) * | 1975-08-18 | 1977-02-23 | Toshinori Harada | Treatment and disposal of raw sewage and industrial waste |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58146276A (en) * | 1982-02-22 | 1983-08-31 | Terajima Toshishige | Culture medium for procaryote |
| WO2011013491A1 (en) * | 2009-07-29 | 2011-02-03 | Araki Hiroshi | Method for treatment of sludge, and facility for the treatment |
| CN102964052A (en) * | 2012-10-22 | 2013-03-13 | 马鞍山钢铁股份有限公司 | Processing method of limestone washing sludge |
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