DK142841C - - Google Patents
Info
- Publication number
- DK142841C DK142841C DK129572A DK129572A DK142841C DK 142841 C DK142841 C DK 142841C DK 129572 A DK129572 A DK 129572A DK 129572 A DK129572 A DK 129572A DK 142841 C DK142841 C DK 142841C
- Authority
- DK
- Denmark
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 (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7109966 | 1971-03-22 | ||
| FR7109966A FR2130820A5 (en) | 1971-03-22 | 1971-03-22 | Aerator/circulator - for activated sludge effluent treatment plant |
| FR7145103 | 1971-12-15 | ||
| FR7145103A FR2165050A6 (en) | 1971-12-15 | 1971-12-15 | Aerator/circulator - for activated sludge effluent treatment plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK142841B DK142841B (da) | 1981-02-09 |
| DK142841C true DK142841C (da) | 1981-09-28 |
Family
ID=26216278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK129572AA DK142841B (da) | 1971-03-22 | 1972-03-20 | Apparat til biologisk rensning af spildevand, omfattende en rotor med horisontal aksel. |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE780951A (da) |
| CA (1) | CA957441A (da) |
| DE (1) | DE2212126A1 (da) |
| DK (1) | DK142841B (da) |
| GB (1) | GB1385358A (da) |
| IT (1) | IT953945B (da) |
| LU (1) | LU64999A1 (da) |
| NL (1) | NL7203754A (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4437386A1 (de) * | 1994-10-19 | 1996-04-25 | Passavant Werke | Verfahren und Umlaufbecken für die Langzeitbelüftung von im Belebungsverfahren gereinigtem Abwasser |
-
1972
- 1972-03-09 IT IT6774272A patent/IT953945B/it active
- 1972-03-13 DE DE19722212126 patent/DE2212126A1/de active Pending
- 1972-03-20 CA CA137,581*7A patent/CA957441A/en not_active Expired
- 1972-03-20 DK DK129572AA patent/DK142841B/da not_active IP Right Cessation
- 1972-03-20 LU LU64999D patent/LU64999A1/xx unknown
- 1972-03-20 BE BE780951A patent/BE780951A/xx not_active IP Right Cessation
- 1972-03-21 NL NL7203754A patent/NL7203754A/xx unknown
- 1972-03-22 GB GB1334872A patent/GB1385358A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT953945B (it) | 1973-08-10 |
| LU64999A1 (da) | 1972-07-10 |
| DK142841B (da) | 1981-02-09 |
| CA957441A (en) | 1974-11-05 |
| DE2212126A1 (de) | 1972-10-12 |
| NL7203754A (da) | 1972-09-26 |
| BE780951A (fr) | 1972-07-17 |
| GB1385358A (en) | 1975-02-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |