HK47076A - Improvements in or relating to aeration - Google Patents
Improvements in or relating to aerationInfo
- Publication number
- HK47076A HK47076A HK47076A HK47076A HK47076A HK 47076 A HK47076 A HK 47076A HK 47076 A HK47076 A HK 47076A HK 47076 A HK47076 A HK 47076A HK 47076 A HK47076 A HK 47076A
- Authority
- HK
- Hong Kong
- Prior art keywords
- aeration
- relating
- 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
- C02F3/14—Activated sludge processes using surface aeration
- C02F3/16—Activated sludge processes using surface aeration the aerator having a vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/234—Surface aerating
- B01F23/2342—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force
- B01F23/23421—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force the stirrers rotating about a vertical axis
-
- 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
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2293667 | 1967-05-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK47076A true HK47076A (en) | 1976-07-30 |
Family
ID=10187469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK47076A HK47076A (en) | 1967-05-17 | 1976-07-22 | Improvements in or relating to aeration |
Country Status (6)
Country | Link |
---|---|
US (1) | US3606984A (en) |
BE (1) | BE715373A (en) |
FR (1) | FR1562734A (en) |
GB (1) | GB1228134A (en) |
HK (1) | HK47076A (en) |
NL (1) | NL6807013A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2183644A1 (en) * | 1972-05-12 | 1973-12-21 | Clippeleir Sedec Ets | Treatment of waste water and sewage - by aeration and mixing in vertical axis turbine |
US4032604A (en) * | 1972-09-05 | 1977-06-28 | The Marley Cooling Tower Company | Hot water supply and distribution structure for cooling towers |
US3880964A (en) * | 1972-09-05 | 1975-04-29 | Marley Co | Hot water supply and distribution structure for cooling towers |
US3897525A (en) * | 1973-03-13 | 1975-07-29 | Passavant Werke | Apparatus for aerating liquids in a tank having wave attenuator |
NL169165C (en) * | 1976-05-31 | 1985-04-16 | Dhv Raadgevend Ing | SURFACE AERATOR. |
GB1522874A (en) * | 1976-07-08 | 1978-08-31 | Air Prod & Chem | Mechanical aerators for liquids |
GB8829220D0 (en) * | 1988-12-15 | 1989-01-25 | Thames Water Authority | Sludge treatment |
-
1967
- 1967-05-17 GB GB1228134D patent/GB1228134A/en not_active Expired
-
1968
- 1968-05-09 US US3606984D patent/US3606984A/en not_active Expired - Lifetime
- 1968-05-16 FR FR1562734D patent/FR1562734A/fr not_active Expired
- 1968-05-17 NL NL6807013A patent/NL6807013A/xx unknown
- 1968-05-17 BE BE715373D patent/BE715373A/xx unknown
-
1976
- 1976-07-22 HK HK47076A patent/HK47076A/en unknown
Also Published As
Publication number | Publication date |
---|---|
US3606984A (en) | 1971-09-21 |
BE715373A (en) | 1968-10-16 |
GB1228134A (en) | 1971-04-15 |
NL6807013A (en) | 1968-11-18 |
FR1562734A (en) | 1969-04-04 |
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