CH627146A5 - - Google Patents
Download PDFInfo
- Publication number
- CH627146A5 CH627146A5 CH171778A CH171778A CH627146A5 CH 627146 A5 CH627146 A5 CH 627146A5 CH 171778 A CH171778 A CH 171778A CH 171778 A CH171778 A CH 171778A CH 627146 A5 CH627146 A5 CH 627146A5
- Authority
- CH
- Switzerland
- Prior art keywords
- pipe
- wastewater
- water
- flow
- container
- 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
- C02F3/1294—"Venturi" aeration means
-
- 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
- C02F3/20—Activated sludge processes using diffusers
- C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
- C02F3/206—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors with helical screw impellers
-
- 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
- C02F3/22—Activated sludge processes using circulation pipes
- C02F3/226—"Deep shaft" 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)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH171778A CH627146A5 (ko) | 1978-02-16 | 1978-02-16 | |
DE7979100396T DE2960911D1 (en) | 1978-02-16 | 1979-02-12 | Waste water aeration basin |
EP19790100396 EP0003787B1 (de) | 1978-02-16 | 1979-02-12 | Abwasserbelüftungsbecken |
US06/011,890 US4392954A (en) | 1978-02-16 | 1979-02-13 | Sewage ventilating basin |
AT114279A AT384801B (de) | 1978-02-16 | 1979-02-14 | Abwasserbelueftungsbecken |
CA321,654A CA1122727A (en) | 1978-02-16 | 1979-02-16 | Waste water aeration tank |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH171778A CH627146A5 (ko) | 1978-02-16 | 1978-02-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH627146A5 true CH627146A5 (ko) | 1981-12-31 |
Family
ID=4216950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH171778A CH627146A5 (ko) | 1978-02-16 | 1978-02-16 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4392954A (ko) |
EP (1) | EP0003787B1 (ko) |
AT (1) | AT384801B (ko) |
CA (1) | CA1122727A (ko) |
CH (1) | CH627146A5 (ko) |
DE (1) | DE2960911D1 (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1115496A (en) * | 1978-03-17 | 1982-01-05 | Jay L. Mcgrew | Method and apparatus for effecting subsurface, controlled, accelerated chemical reactions |
CA1321135C (en) * | 1988-09-27 | 1993-08-10 | Union Carbide Corporation | Process for dissolving a gas in a liquid |
GB2233245A (en) * | 1989-06-27 | 1991-01-09 | Lian Seng Lee | Injecting gas into liquid |
GB9103860D0 (en) | 1991-02-25 | 1991-04-10 | Electrolux Northern | Grass cutting machines |
CA2345694C (en) * | 1998-09-28 | 2008-12-09 | Glen D. Lindbo | Wastewater treatment tank with influent gates and pre-react zone with an outwardly flared lower portion |
US7160457B2 (en) * | 2004-10-07 | 2007-01-09 | Black & Veatch Holding Corp. | Digester cover |
CN117813266A (zh) * | 2021-08-23 | 2024-04-02 | 林德有限责任公司 | 用于将气体溶解于水中的装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1900809A (en) * | 1929-02-26 | 1933-03-07 | Carroll B Abbott | Sewage purification system |
GB442510A (en) * | 1933-07-14 | 1936-02-03 | Dorr Co Inc | Improvements in sewage treatment |
US2060166A (en) * | 1934-11-12 | 1936-11-10 | Bowen William Spencer | Fluid treating mechanism and method |
US2348122A (en) * | 1940-05-29 | 1944-05-02 | Infilco Inc | Liquid treatment |
US3650950A (en) * | 1969-08-20 | 1972-03-21 | Robert W White | Material shearing mixer and aerator |
US3979294A (en) * | 1971-11-22 | 1976-09-07 | Kaelin J R | Clarification plant |
CH548795A (de) * | 1972-09-12 | 1974-05-15 | Escher Wyss Ag | Dekanter. |
AT319864B (de) * | 1973-04-11 | 1975-01-10 | Waagner Biro Ag | Verfahren und Einrichtung zur Behandlung von Flüssigkeiten oder Trüben |
FR2249703A1 (en) * | 1973-10-31 | 1975-05-30 | Alsthom Cgee | Floating gas-liq. exchange appts. - for oxygenation of large vols. of water such as lakes |
US3997437A (en) * | 1975-07-25 | 1976-12-14 | Prince Jack E | Aerobic type sewage digestion system |
GB1484657A (en) * | 1975-08-19 | 1977-09-01 | Kamelmacher E | Liquid treatment plants and methods for their operation |
FR2357484A1 (fr) * | 1976-07-08 | 1978-02-03 | Alsthom Cgee | Procede de traitement des effluents oxydables |
CH604860A5 (ko) * | 1976-08-19 | 1978-09-15 | Kaelin J R |
-
1978
- 1978-02-16 CH CH171778A patent/CH627146A5/de not_active IP Right Cessation
-
1979
- 1979-02-12 EP EP19790100396 patent/EP0003787B1/de not_active Expired
- 1979-02-12 DE DE7979100396T patent/DE2960911D1/de not_active Expired
- 1979-02-13 US US06/011,890 patent/US4392954A/en not_active Expired - Lifetime
- 1979-02-14 AT AT114279A patent/AT384801B/de not_active IP Right Cessation
- 1979-02-16 CA CA321,654A patent/CA1122727A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1122727A (en) | 1982-04-27 |
EP0003787A1 (de) | 1979-09-05 |
US4392954A (en) | 1983-07-12 |
AT384801B (de) | 1988-01-11 |
DE2960911D1 (en) | 1981-12-17 |
EP0003787B1 (de) | 1981-10-07 |
ATA114279A (de) | 1987-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |