NO178429C - Fremgangsmåte ved fremstilling av individuelle luftbobler med spesifikke tidsintervaller - Google Patents
Fremgangsmåte ved fremstilling av individuelle luftbobler med spesifikke tidsintervallerInfo
- Publication number
- NO178429C NO178429C NO882381A NO882381A NO178429C NO 178429 C NO178429 C NO 178429C NO 882381 A NO882381 A NO 882381A NO 882381 A NO882381 A NO 882381A NO 178429 C NO178429 C NO 178429C
- Authority
- NO
- Norway
- Prior art keywords
- time intervals
- air bubbles
- specific time
- individual air
- producing individual
- 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
- C02F3/22—Activated sludge processes using circulation pipes
- C02F3/223—Activated sludge processes using circulation pipes using "air-lift"
-
- 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)
- Jet Pumps And Other Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62278104A JPH01121600A (ja) | 1987-11-02 | 1987-11-02 | 間欠空気揚水装置における給気方法 |
Publications (4)
Publication Number | Publication Date |
---|---|
NO882381D0 NO882381D0 (no) | 1988-05-31 |
NO882381L NO882381L (no) | 1989-05-03 |
NO178429B NO178429B (no) | 1995-12-18 |
NO178429C true NO178429C (no) | 1996-03-27 |
Family
ID=17592684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO882381A NO178429C (no) | 1987-11-02 | 1988-05-31 | Fremgangsmåte ved fremstilling av individuelle luftbobler med spesifikke tidsintervaller |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0321081B1 (pt) |
JP (1) | JPH01121600A (pt) |
DE (1) | DE3873052T2 (pt) |
ES (1) | ES2011871A6 (pt) |
FI (1) | FI882592A (pt) |
IT (1) | IT1217896B (pt) |
NO (1) | NO178429C (pt) |
PT (1) | PT87638B (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2243151A (en) * | 1990-04-20 | 1991-10-23 | Lu Wen Pin | Device for aerating and dispersing chemicals in lakes etc. |
CN102887555B (zh) * | 2012-10-15 | 2013-11-06 | 西安建筑科技大学 | 湖库水源水质控制的药剂定量自动投加与混合集成装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4752421A (en) * | 1986-04-01 | 1988-06-21 | Kaiyo Kogyo Kabushiki Kaisha | Method of supplying air masses and producing jets of water |
-
1987
- 1987-11-02 JP JP62278104A patent/JPH01121600A/ja active Granted
-
1988
- 1988-05-31 NO NO882381A patent/NO178429C/no unknown
- 1988-06-01 PT PT87638A patent/PT87638B/pt not_active IP Right Cessation
- 1988-06-01 FI FI882592A patent/FI882592A/fi not_active IP Right Cessation
- 1988-06-22 IT IT21072/88A patent/IT1217896B/it active
- 1988-10-21 ES ES8803217A patent/ES2011871A6/es not_active Expired - Lifetime
- 1988-11-02 EP EP88310315A patent/EP0321081B1/en not_active Expired - Lifetime
- 1988-11-02 DE DE8888310315T patent/DE3873052T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0321081A2 (en) | 1989-06-21 |
IT8821072A0 (it) | 1988-06-22 |
JPH01121600A (ja) | 1989-05-15 |
PT87638A (pt) | 1989-05-31 |
DE3873052T2 (de) | 1993-03-04 |
EP0321081B1 (en) | 1992-07-22 |
DE3873052D1 (de) | 1992-08-27 |
PT87638B (pt) | 1995-03-31 |
ES2011871A6 (es) | 1990-02-16 |
IT1217896B (it) | 1990-03-30 |
FI882592A (fi) | 1989-05-03 |
JPH0346679B2 (pt) | 1991-07-16 |
NO178429B (no) | 1995-12-18 |
NO882381L (no) | 1989-05-03 |
EP0321081A3 (en) | 1989-08-16 |
NO882381D0 (no) | 1988-05-31 |
FI882592A0 (fi) | 1988-06-01 |
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