LU64999A1 - - Google Patents
Info
- Publication number
- LU64999A1 LU64999A1 LU64999DA LU64999A1 LU 64999 A1 LU64999 A1 LU 64999A1 LU 64999D A LU64999D A LU 64999DA LU 64999 A1 LU64999 A1 LU 64999A1
- Authority
- LU
- Luxembourg
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
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- 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
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- 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7109966A FR2130820A5 (en) | 1971-03-22 | 1971-03-22 | Aerator/circulator - for activated sludge effluent treatment plant |
| FR7145103A FR2165050A6 (en) | 1971-12-15 | 1971-12-15 | Aerator/circulator - for activated sludge effluent treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU64999A1 true LU64999A1 (en) | 1972-07-10 |
Family
ID=26216278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU64999D LU64999A1 (en) | 1971-03-22 | 1972-03-20 |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE780951A (en) |
| CA (1) | CA957441A (en) |
| DE (1) | DE2212126A1 (en) |
| DK (1) | DK142841B (en) |
| GB (1) | GB1385358A (en) |
| IT (1) | IT953945B (en) |
| LU (1) | LU64999A1 (en) |
| NL (1) | NL7203754A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996012679A1 (en) * | 1994-10-19 | 1996-05-02 | Passavant-Werke Ag | Process and circulation tank or channel for long-term aeration of waste water cleaned in an activated sludge process |
-
1972
- 1972-03-09 IT IT6774272A patent/IT953945B/en active
- 1972-03-13 DE DE19722212126 patent/DE2212126A1/en active Pending
- 1972-03-20 DK DK129572AA patent/DK142841B/en not_active IP Right Cessation
- 1972-03-20 BE BE780951A patent/BE780951A/en not_active IP Right Cessation
- 1972-03-20 CA CA137,581*7A patent/CA957441A/en not_active Expired
- 1972-03-20 LU LU64999D patent/LU64999A1/xx unknown
- 1972-03-21 NL NL7203754A patent/NL7203754A/xx unknown
- 1972-03-22 GB GB1334872A patent/GB1385358A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996012679A1 (en) * | 1994-10-19 | 1996-05-02 | Passavant-Werke Ag | Process and circulation tank or channel for long-term aeration of waste water cleaned in an activated sludge process |
Also Published As
| Publication number | Publication date |
|---|---|
| DK142841B (en) | 1981-02-09 |
| IT953945B (en) | 1973-08-10 |
| NL7203754A (en) | 1972-09-26 |
| DE2212126A1 (en) | 1972-10-12 |
| CA957441A (en) | 1974-11-05 |
| GB1385358A (en) | 1975-02-26 |
| DK142841C (en) | 1981-09-28 |
| BE780951A (en) | 1972-07-17 |