DE2254171A1 - - Google Patents
Info
- Publication number
- DE2254171A1 DE2254171A1 DE19722254171 DE2254171A DE2254171A1 DE 2254171 A1 DE2254171 A1 DE 2254171A1 DE 19722254171 DE19722254171 DE 19722254171 DE 2254171 A DE2254171 A DE 2254171A DE 2254171 A1 DE2254171 A1 DE 2254171A1
- Authority
- DE
- Germany
- 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.)
- Granted
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
- B01F23/234211—Stirrers thereof
-
- 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2254171A DE2254171C2 (de) | 1972-11-01 | 1972-11-01 | Vertikalachsiger Belüftungsrotor zur Umwälzung und Belüftung von Abwässern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2254171A DE2254171C2 (de) | 1972-11-01 | 1972-11-01 | Vertikalachsiger Belüftungsrotor zur Umwälzung und Belüftung von Abwässern |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2254171A1 true DE2254171A1 (forum.php) | 1974-01-10 |
| DE2254171B1 DE2254171B1 (de) | 1974-01-10 |
| DE2254171C2 DE2254171C2 (de) | 1974-08-08 |
Family
ID=5860902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2254171A Expired DE2254171C2 (de) | 1972-11-01 | 1972-11-01 | Vertikalachsiger Belüftungsrotor zur Umwälzung und Belüftung von Abwässern |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2254171C2 (forum.php) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH630268A5 (de) * | 1978-06-12 | 1982-06-15 | Kaelin J R | Oberflaechenbelueftungskreisel. |
-
1972
- 1972-11-01 DE DE2254171A patent/DE2254171C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2254171C2 (de) | 1974-08-08 |
| DE2254171B1 (de) | 1974-01-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8330 | Complete disclaimer |