GB2291417B - Activated sludge process - Google Patents
Activated sludge processInfo
- Publication number
- GB2291417B GB2291417B GB9414456A GB9414456A GB2291417B GB 2291417 B GB2291417 B GB 2291417B GB 9414456 A GB9414456 A GB 9414456A GB 9414456 A GB9414456 A GB 9414456A GB 2291417 B GB2291417 B GB 2291417B
- Authority
- GB
- United Kingdom
- Prior art keywords
- activated sludge
- sludge process
- activated
- sludge
- 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 - Fee Related
Links
- 239000010802 sludge Substances 0.000 title 1
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
-
- 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)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9414456A GB2291417B (en) | 1994-07-18 | 1994-07-18 | Activated sludge process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9414456A GB2291417B (en) | 1994-07-18 | 1994-07-18 | Activated sludge process |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9414456D0 GB9414456D0 (en) | 1994-09-07 |
GB2291417A GB2291417A (en) | 1996-01-24 |
GB2291417B true GB2291417B (en) | 1998-05-13 |
Family
ID=10758504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9414456A Expired - Fee Related GB2291417B (en) | 1994-07-18 | 1994-07-18 | Activated sludge process |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2291417B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19616763A1 (en) * | 1996-04-26 | 1997-11-06 | Wabag Wassertechn Anlagen Gmbh | Method and device for treating filter backwash water |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1289519A (en) * | 1968-09-23 | 1972-09-20 | ||
GB1341783A (en) * | 1970-01-12 | 1973-12-25 | Dravo Corp | Filter |
GB1406255A (en) * | 1972-08-10 | 1975-09-17 | Tymoszczuk J | Process and apparatus for treating wastes by |
US4122013A (en) * | 1977-11-15 | 1978-10-24 | Greenleaf Jr John W | Sewage treatment system |
GB1560833A (en) * | 1976-07-03 | 1980-02-13 | Tymoszczuk J | Process and apparatus for treating wastes by a combined activated sludge and biological filter bed |
US4207179A (en) * | 1976-07-28 | 1980-06-10 | Phillips Petroleum Company | Biotreatment using carbon treated recycle and/or clarifier effluent backwash |
EP0151328A1 (en) * | 1984-02-06 | 1985-08-14 | D.R.I.M. Limited | Element from intumescent fire-proof composition and specific method for preparing same |
DE3916679A1 (en) * | 1989-05-23 | 1990-11-29 | Boehnke Botho | Installation for purifying waste water, esp. domestic waste water - has 2 biologically intensified filtration stages, 1st ŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸ for nitrification and 2nd for denitrification |
GB2236689A (en) * | 1989-09-13 | 1991-04-17 | Pwt Projects Ltd | Continuous solids/liquid separator |
-
1994
- 1994-07-18 GB GB9414456A patent/GB2291417B/en not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1289519A (en) * | 1968-09-23 | 1972-09-20 | ||
GB1341783A (en) * | 1970-01-12 | 1973-12-25 | Dravo Corp | Filter |
GB1406255A (en) * | 1972-08-10 | 1975-09-17 | Tymoszczuk J | Process and apparatus for treating wastes by |
GB1560833A (en) * | 1976-07-03 | 1980-02-13 | Tymoszczuk J | Process and apparatus for treating wastes by a combined activated sludge and biological filter bed |
US4207179A (en) * | 1976-07-28 | 1980-06-10 | Phillips Petroleum Company | Biotreatment using carbon treated recycle and/or clarifier effluent backwash |
US4122013A (en) * | 1977-11-15 | 1978-10-24 | Greenleaf Jr John W | Sewage treatment system |
EP0151328A1 (en) * | 1984-02-06 | 1985-08-14 | D.R.I.M. Limited | Element from intumescent fire-proof composition and specific method for preparing same |
DE3916679A1 (en) * | 1989-05-23 | 1990-11-29 | Boehnke Botho | Installation for purifying waste water, esp. domestic waste water - has 2 biologically intensified filtration stages, 1st ŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸŸ for nitrification and 2nd for denitrification |
GB2236689A (en) * | 1989-09-13 | 1991-04-17 | Pwt Projects Ltd | Continuous solids/liquid separator |
Non-Patent Citations (2)
Title |
---|
WPI Accession No 75-57265W/35 and CA 972877 * |
WPI Accession No 80-52172C and JP 55075794 * |
Also Published As
Publication number | Publication date |
---|---|
GB2291417A (en) | 1996-01-24 |
GB9414456D0 (en) | 1994-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20060718 |