FR2707974B1 - Aérateur d'eau. - Google Patents
Aérateur d'eau.Info
- Publication number
- FR2707974B1 FR2707974B1 FR9309249A FR9309249A FR2707974B1 FR 2707974 B1 FR2707974 B1 FR 2707974B1 FR 9309249 A FR9309249 A FR 9309249A FR 9309249 A FR9309249 A FR 9309249A FR 2707974 B1 FR2707974 B1 FR 2707974B1
- Authority
- FR
- France
- Prior art keywords
- water aerator
- aerator
- water
- Prior art date
- 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.)
- Expired - Fee Related
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
- C02F3/1278—Provisions for mixing or aeration of the mixed liquor
- C02F3/1294—"Venturi" aeration means
-
- 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
- C02F3/20—Activated sludge processes using diffusers
- C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
- C02F3/207—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors with axial thrust propellers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/002—Injecting air or other fluid
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
-
- 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
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9309249A FR2707974B1 (fr) | 1993-07-20 | 1993-07-20 | Aérateur d'eau. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9309249A FR2707974B1 (fr) | 1993-07-20 | 1993-07-20 | Aérateur d'eau. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2707974A1 FR2707974A1 (fr) | 1995-01-27 |
FR2707974B1 true FR2707974B1 (fr) | 1995-10-06 |
Family
ID=9449685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9309249A Expired - Fee Related FR2707974B1 (fr) | 1993-07-20 | 1993-07-20 | Aérateur d'eau. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2707974B1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2809139B1 (fr) | 2000-05-16 | 2002-08-30 | Jacques Fonkenell | Installation hydraulique pouvant fonctionner en installation hydroelectrique ou en aerateur d'eau |
GB2497763A (en) * | 2011-12-20 | 2013-06-26 | Ocean Flow Energy Ltd | Air injection system for reducing hydrodynamic loads on water turbine blades |
CA3009535C (fr) * | 2015-12-23 | 2023-01-24 | Voith Patent Gmbh | Roue pour turbine ou pompe hydraulique et procede de fonctionnement d'une telle roue |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1146951A (fr) * | 1955-04-26 | 1957-11-18 | Voith Gmbh J M | Procédé et dispositif pour enrichir en oxygène les eaux d'un cours d'eau et pour promouvoir l'auto-épuration de celles-ci |
GB986797A (en) * | 1960-04-09 | 1965-03-24 | Hussein Haekal | Improvements in and relating to machines comprising a bladed rotor such as water turbines and pumps |
US3790140A (en) * | 1971-01-22 | 1974-02-05 | R Conway | Apparatus for aerating water |
GB1486697A (en) * | 1975-03-25 | 1977-09-21 | Dwars Ing Bureau | Process and installation for the purification of sewage |
CH600938A5 (fr) * | 1975-12-10 | 1978-06-30 | Sulzer Ag | |
DE2622301C2 (de) * | 1976-05-19 | 1985-05-30 | Helmut Dipl.-Phys. 6759 Hohenöllen Gehm | Verfahren zum selbsttätigen, künstlichen Belüften von Wasser eines Stauraums |
-
1993
- 1993-07-20 FR FR9309249A patent/FR2707974B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2707974A1 (fr) | 1995-01-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20090331 |