GB1445218A - Dewatering process for sewage sludges containing biological solids - Google Patents
Dewatering process for sewage sludges containing biological solidsInfo
- Publication number
- GB1445218A GB1445218A GB3399574A GB3399574A GB1445218A GB 1445218 A GB1445218 A GB 1445218A GB 3399574 A GB3399574 A GB 3399574A GB 3399574 A GB3399574 A GB 3399574A GB 1445218 A GB1445218 A GB 1445218A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- mol per
- sewage sludges
- solids
- dewatering process
- 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.)
- Expired
Links
- 239000010865 sewage Substances 0.000 title abstract 3
- 239000007787 solid Substances 0.000 title abstract 3
- 229920001577 copolymer Polymers 0.000 abstract 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- 239000010802 sludge Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 238000003828 vacuum filtration Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/147—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US38488073A | 1973-08-02 | 1973-08-02 | |
| US40269673A | 1973-10-02 | 1973-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1445218A true GB1445218A (en) | 1976-08-04 |
Family
ID=27010799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3399574A Expired GB1445218A (en) | 1973-08-02 | 1974-08-01 | Dewatering process for sewage sludges containing biological solids |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5050270A (enrdf_load_html_response) |
| BE (1) | BE818436A (enrdf_load_html_response) |
| FI (1) | FI200074A7 (enrdf_load_html_response) |
| FR (1) | FR2239428A1 (enrdf_load_html_response) |
| GB (1) | GB1445218A (enrdf_load_html_response) |
| IT (1) | IT1025033B (enrdf_load_html_response) |
| SE (1) | SE7409774L (enrdf_load_html_response) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3129136A1 (de) * | 1980-10-15 | 1982-06-09 | Upravlenie vodoprovodno-kanalizacionnogo chozjajstva, Leningrad | Verfahren zum konditionieren von abwasserschlaemmen |
| DE3131411A1 (de) * | 1980-08-08 | 1982-06-24 | Kurita Water Industries Ltd., Osaka | Verfahren zum entwaessern von schlaemmen |
| EP0074776A3 (en) * | 1981-09-08 | 1984-10-03 | Betz Europe, Inc. | Process of treating bio-sludge |
-
1974
- 1974-06-28 FI FI2000/74*A patent/FI200074A7/fi unknown
- 1974-07-09 JP JP49078654A patent/JPS5050270A/ja active Pending
- 1974-07-29 SE SE7409774A patent/SE7409774L/xx unknown
- 1974-08-01 GB GB3399574A patent/GB1445218A/en not_active Expired
- 1974-08-01 IT IT25871/74A patent/IT1025033B/it active
- 1974-08-02 BE BE147239A patent/BE818436A/xx unknown
- 1974-08-02 FR FR7427661A patent/FR2239428A1/fr not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3131411A1 (de) * | 1980-08-08 | 1982-06-24 | Kurita Water Industries Ltd., Osaka | Verfahren zum entwaessern von schlaemmen |
| DE3129136A1 (de) * | 1980-10-15 | 1982-06-09 | Upravlenie vodoprovodno-kanalizacionnogo chozjajstva, Leningrad | Verfahren zum konditionieren von abwasserschlaemmen |
| EP0074776A3 (en) * | 1981-09-08 | 1984-10-03 | Betz Europe, Inc. | Process of treating bio-sludge |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1025033B (it) | 1978-08-10 |
| SE7409774L (enrdf_load_html_response) | 1975-02-03 |
| JPS5050270A (enrdf_load_html_response) | 1975-05-06 |
| FI200074A7 (enrdf_load_html_response) | 1975-02-13 |
| BE818436A (fr) | 1974-12-02 |
| FR2239428A1 (enrdf_load_html_response) | 1975-02-28 |
| AU7187574A (en) | 1976-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1088400A (en) | A method of dewatering sludges with a decanting centrifuge | |
| GB1391578A (en) | Composition and method for flocculating suspended solids | |
| GB1212237A (en) | Improvements in or relating to methods of separating inorganic impurities from sewage and of making a soil improving composition from the impurities separated | |
| EP0172649A3 (en) | Dewatering solids suspensions | |
| GB1375386A (enrdf_load_html_response) | ||
| GB1445218A (en) | Dewatering process for sewage sludges containing biological solids | |
| GB1373034A (en) | Flocculating agents and processes | |
| JPS6485199A (en) | Dehydration method for sludge | |
| GB1535549A (en) | Method of purifying waste water | |
| FR2457292A1 (fr) | Purification de riboflavine | |
| GB1388399A (en) | Dewatering of sludges | |
| GB1149511A (en) | Improvements in or relating to sewage treatment | |
| GB1310321A (en) | Treatment of sludges resulting from sewage pruification | |
| GB1247455A (en) | Clarification apparatus for aerated lagoon | |
| GB1185106A (en) | Sewage Treatment Processes | |
| GB1462905A (en) | Polymeric emulsions | |
| SU1578083A1 (ru) | Способ очистки сточных вод от взвешенных веществ и нефтепродуктов | |
| GB1244237A (en) | Improvements relating to the dewatering of digested sludge | |
| GB1437281A (en) | High molecular weight water-soluble polymers containing acrylamide | |
| SU785232A1 (ru) | Способ сгущени осадка сточных вод | |
| GB1320096A (en) | Treatment of sewage digester supernatant | |
| SU381400A1 (ru) | Способ флотации калийных руд | |
| Coscia et al. | PROCESS FOR FLOCCULATING AQUEOUS SUSPENSIONS | |
| SU460284A1 (ru) | Способ получени водорастворимого полиэлектролита | |
| GB1247565A (en) | Sewage sludge treatment process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 414F | Notice of opposition given (sect. 14/1949) | ||
| 414E | Application relinquished (sect. 14/1949) | ||
| CSNS | Application of which complete specification have been accepted and published, but patent is not sealed |