JPS5660699A - Dehydration of sludge - Google Patents
Dehydration of sludgeInfo
- Publication number
- JPS5660699A JPS5660699A JP13527879A JP13527879A JPS5660699A JP S5660699 A JPS5660699 A JP S5660699A JP 13527879 A JP13527879 A JP 13527879A JP 13527879 A JP13527879 A JP 13527879A JP S5660699 A JPS5660699 A JP S5660699A
- Authority
- JP
- Japan
- Prior art keywords
- sludge
- protein
- alkali
- acid
- acted
- 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
- Treatment Of Sludge (AREA)
Abstract
PURPOSE: To obtain a dehydrated cake with a low water content by a method wherein a cell wall of a sludge is broken and modified chemically to extract and precipitate protein therein and the precipitated protein is acted as a filter aid to improve the dehydration property of a sludge.
CONSTITUTION: A sludge from a treating field of clean water or a sewage is concentrated once and, thereafter, an alkali or an acid is added to break a cell wall of the sludge to obtain a protein extract liquid. Subsequently, to this extract liquid, an acid is added when alkali extraction is carried out or an alkali when acid extraction is carried out to carry out the isoelectric point precipitation and the protein therein is precipitated from the solution. Then, if the sludge mixed liquid containing this precipitate is dehydrated by a dehydrator, the protein is acted as a filter aid and a dehydrated cake with a low water content is obtained.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13527879A JPS5660699A (en) | 1979-10-22 | 1979-10-22 | Dehydration of sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13527879A JPS5660699A (en) | 1979-10-22 | 1979-10-22 | Dehydration of sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5660699A true JPS5660699A (en) | 1981-05-25 |
Family
ID=15147963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13527879A Pending JPS5660699A (en) | 1979-10-22 | 1979-10-22 | Dehydration of sludge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5660699A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0680652U (en) * | 1993-04-30 | 1994-11-15 | 三和紙工株式会社 | Opening sealing structure of powder bag |
| CN103923685A (en) * | 2014-05-09 | 2014-07-16 | 北京师范大学 | Method for preparing biodiesel through activated sludge |
| CN106867566A (en) * | 2017-03-15 | 2017-06-20 | 北京师范大学 | It is a kind of to improve the method that excess sludge prepares yield of biodiesel |
| CN109400671A (en) * | 2018-11-12 | 2019-03-01 | 湖北华耀生物科技有限公司 | The method of microprotein is extracted in a kind of excess sludge |
| US11148516B2 (en) | 2015-08-31 | 2021-10-19 | Honda Motor Co., Ltd. | Battery case structure for electric-powered vehicles, and electric-powered vehicle |
-
1979
- 1979-10-22 JP JP13527879A patent/JPS5660699A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0680652U (en) * | 1993-04-30 | 1994-11-15 | 三和紙工株式会社 | Opening sealing structure of powder bag |
| CN103923685A (en) * | 2014-05-09 | 2014-07-16 | 北京师范大学 | Method for preparing biodiesel through activated sludge |
| CN103923685B (en) * | 2014-05-09 | 2016-03-16 | 北京师范大学 | A kind of method utilizing active sludge to prepare biofuel |
| US11148516B2 (en) | 2015-08-31 | 2021-10-19 | Honda Motor Co., Ltd. | Battery case structure for electric-powered vehicles, and electric-powered vehicle |
| CN106867566A (en) * | 2017-03-15 | 2017-06-20 | 北京师范大学 | It is a kind of to improve the method that excess sludge prepares yield of biodiesel |
| CN109400671A (en) * | 2018-11-12 | 2019-03-01 | 湖北华耀生物科技有限公司 | The method of microprotein is extracted in a kind of excess sludge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6427433A (en) | Treatment of vegetable protein-containing meal | |
| ES8500869A1 (en) | Process for extracting gallium using substituted hydroxyquinolines, and organic compounds having a sulfate or sulfonate group. | |
| JPS5660699A (en) | Dehydration of sludge | |
| JPS5473463A (en) | Method of treating waste water containing starchy substances | |
| JPS56150481A (en) | Coagulation process for waste water | |
| JPS5719100A (en) | Disposal of sludge from night soil digester | |
| JPS565192A (en) | Highly advanced treatment of waste water | |
| JPS5933000A (en) | Dehydration of digested night soil sludge | |
| JPS5719098A (en) | Sludge-dewatering method | |
| JPS56150483A (en) | Disposal of waste water or sludge | |
| JPS5640500A (en) | Dehydration of activated sludge | |
| SU691413A1 (en) | Method of preparing active silt | |
| JPS55104694A (en) | Treatment of purification tank sludge | |
| JPS56150480A (en) | Disposal of starch-containing sewage | |
| JPS5447360A (en) | Method of treating city refuse and sewerage simultaneously | |
| JPS547760A (en) | Method of purifying coil containing waste water | |
| JPS57197100A (en) | Treatment of sewage sludge | |
| JPS5531401A (en) | Preparing adsorbent | |
| SU1409593A1 (en) | Method of thickening zinc-containing slurries | |
| JPS56115699A (en) | Dehydration of sludge of night soil purifying tank | |
| JPS5621685A (en) | Treatment of waste liquid used in zinc photoengraving | |
| JPS5791800A (en) | Treatment for dehydrating coagulated and precipitated sludge | |
| JPS54117149A (en) | Sludge treating apparatus | |
| RO81906B1 (en) | Process for obtaining bis-copper metioninate | |
| JPS5367256A (en) | Method of treating waste water containing sluminium |