JPS50133658A - - Google Patents
Info
- Publication number
- JPS50133658A JPS50133658A JP3248375A JP3248375A JPS50133658A JP S50133658 A JPS50133658 A JP S50133658A JP 3248375 A JP3248375 A JP 3248375A JP 3248375 A JP3248375 A JP 3248375A JP S50133658 A JPS50133658 A JP S50133658A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- C02F3/18—Activated sludge processes using surface aeration the aerator having a horizontal 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
-
- 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 |
|---|---|---|---|
| FR7410685A FR2264584A1 (en) | 1974-03-20 | 1974-03-20 | Mechanical aerator for biological purifn of polluted effluent - can be adjusted to vary aeration rate without speed change or stopping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50133658A true JPS50133658A (en) | 1975-10-23 |
Family
ID=9136932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3248375A Pending JPS50133658A (en) | 1974-03-20 | 1975-03-19 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS50133658A (en) |
| ES (1) | ES435797A1 (en) |
| FR (1) | FR2264584A1 (en) |
| IT (1) | IT1034276B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56151700U (en) * | 1980-04-07 | 1981-11-13 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT390603B (en) * | 1985-04-09 | 1990-06-11 | Voest Alpine Ag | DEVICE FOR INSERTING OR EXHAUSTING GASES IN OR FROM LIQUIDS, AND USE OF THE DEVICE |
| AT382088B (en) * | 1985-04-09 | 1987-01-12 | Voest Alpine Ag | DEVICE FOR CONTINUOUS EVAPORATION OR OUTGASSING LIQUIDS TENDING TO FOAMING |
-
1974
- 1974-03-20 FR FR7410685A patent/FR2264584A1/en active Granted
-
1975
- 1975-03-14 IT IT2126975A patent/IT1034276B/en active
- 1975-03-19 JP JP3248375A patent/JPS50133658A/ja active Pending
- 1975-03-20 ES ES435797A patent/ES435797A1/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56151700U (en) * | 1980-04-07 | 1981-11-13 | ||
| JPS5821593Y2 (en) * | 1980-04-07 | 1983-05-07 | 日本地下水開発株式会社 | Fish pond stirring water wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1034276B (en) | 1979-09-10 |
| ES435797A1 (en) | 1976-12-16 |
| FR2264584A1 (en) | 1975-10-17 |
| FR2264584B1 (en) | 1978-02-10 |