ZA813258B - Apparatus for treating sludges - Google Patents
Apparatus for treating sludgesInfo
- Publication number
- ZA813258B ZA813258B ZA00813258A ZA813258A ZA813258B ZA 813258 B ZA813258 B ZA 813258B ZA 00813258 A ZA00813258 A ZA 00813258A ZA 813258 A ZA813258 A ZA 813258A ZA 813258 B ZA813258 B ZA 813258B
- Authority
- ZA
- South Africa
- Prior art keywords
- thickener
- sludges
- supernatant fluid
- peripheral ducts
- treating sludges
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1278—Provisions for mixing or aeration of the mixed liquor
- C02F3/1284—Mixing devices
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1221—Particular type of activated sludge processes comprising treatment of the recirculated sludge
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/26—Activated sludge processes using pure oxygen or oxygen-rich gas
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Treatment Of Sludge (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Chemical Treatment Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8110315A FR2506287A1 (fr) | 1981-05-25 | 1981-05-25 | Procede et installation de traitement des boues issues d'une epuration d'eaux usees |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA813258B true ZA813258B (en) | 1983-03-30 |
Family
ID=9258834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00813258A ZA813258B (en) | 1981-05-25 | 1982-05-11 | Apparatus for treating sludges |
Country Status (10)
Country | Link |
---|---|
US (1) | US4711721A (xx) |
EP (1) | EP0068916B1 (xx) |
JP (1) | JPS57197007A (xx) |
AT (1) | ATE11031T1 (xx) |
AU (1) | AU549674B2 (xx) |
CA (1) | CA1188829A (xx) |
DE (1) | DE3261754D1 (xx) |
ES (1) | ES8303255A1 (xx) |
FR (1) | FR2506287A1 (xx) |
ZA (1) | ZA813258B (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4787323A (en) * | 1987-08-12 | 1988-11-29 | Atlantic Richfield Company | Treating sludges and soil materials contaminated with hydrocarbons |
US4940545A (en) * | 1989-03-29 | 1990-07-10 | Baker Hughes, Inc. | Aerobic waste sludge digester-thickener orbital system and method |
AU687759B2 (en) * | 1993-09-16 | 1998-03-05 | Harold J. Beard | Mixed liquor wasting system and method |
US5587081A (en) * | 1994-04-26 | 1996-12-24 | Jet-Tech, Inc. | Thermophilic aerobic waste treatment process |
JP4593537B2 (ja) * | 2006-08-28 | 2010-12-08 | 住友重機械エンバイロメント株式会社 | 重力濃縮タンク |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1385701A (en) * | 1919-03-10 | 1921-07-26 | Louis D Mills | Process of recovering valuable solution from mixtures |
US2069989A (en) * | 1935-02-19 | 1937-02-09 | Henry F Adams | Operating thickener |
US4163712A (en) * | 1973-01-08 | 1979-08-07 | Boc Limited | Treatment of liquid |
US4173532A (en) * | 1974-03-07 | 1979-11-06 | Entenmann's, Inc. | Method for treating plant effluent |
GB1497105A (en) * | 1975-10-04 | 1978-01-05 | Speece R | Transfer of a compressible fluid to a relatively incompressible fluent material |
GB1593375A (en) * | 1976-08-24 | 1981-07-15 | Boc Ltd | Treatment of aqueous waste material by oxygenation |
US4082671A (en) * | 1976-09-30 | 1978-04-04 | Envirotech Corporation | Sludge thickening apparatus |
FR2441586A1 (fr) * | 1978-11-20 | 1980-06-13 | Air Liquide | Procede et installation de traitement des boues de fosses septiques |
-
1981
- 1981-05-25 FR FR8110315A patent/FR2506287A1/fr active Granted
-
1982
- 1982-05-11 ZA ZA00813258A patent/ZA813258B/xx unknown
- 1982-05-12 AU AU83619/82A patent/AU549674B2/en not_active Ceased
- 1982-05-19 AT AT82400932T patent/ATE11031T1/de not_active IP Right Cessation
- 1982-05-19 DE DE8282400932T patent/DE3261754D1/de not_active Expired
- 1982-05-19 EP EP82400932A patent/EP0068916B1/fr not_active Expired
- 1982-05-20 ES ES512398A patent/ES8303255A1/es not_active Expired
- 1982-05-20 CA CA000403437A patent/CA1188829A/fr not_active Expired
- 1982-05-25 JP JP8739182A patent/JPS57197007A/ja active Granted
-
1985
- 1985-06-25 US US06/748,697 patent/US4711721A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3261754D1 (en) | 1985-02-14 |
EP0068916A1 (fr) | 1983-01-05 |
US4711721A (en) | 1987-12-08 |
AU8361982A (en) | 1982-12-02 |
JPH0239284B2 (xx) | 1990-09-05 |
CA1188829A (fr) | 1985-06-11 |
ES512398A0 (es) | 1983-02-01 |
ATE11031T1 (de) | 1985-01-15 |
FR2506287B1 (xx) | 1985-01-18 |
JPS57197007A (en) | 1982-12-03 |
FR2506287A1 (fr) | 1982-11-26 |
EP0068916B1 (fr) | 1985-01-02 |
AU549674B2 (en) | 1986-02-06 |
ES8303255A1 (es) | 1983-02-01 |
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