FR2421669B1 - - Google Patents
Info
- Publication number
- FR2421669B1 FR2421669B1 FR7800550A FR7800550A FR2421669B1 FR 2421669 B1 FR2421669 B1 FR 2421669B1 FR 7800550 A FR7800550 A FR 7800550A FR 7800550 A FR7800550 A FR 7800550A FR 2421669 B1 FR2421669 B1 FR 2421669B1
- Authority
- FR
- France
- 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
Links
Classifications
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- 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
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- 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
- C02F3/006—Regulation methods for biological treatment
-
- 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
- C02F3/26—Activated sludge processes using pure oxygen or oxygen-rich gas
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Physical Water Treatments (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7800550A FR2421669A1 (fr) | 1978-01-10 | 1978-01-10 | Procede de traitement d'un liquide par un gaz, notamment d'eaux residuaires par l'oxygene |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7800550A FR2421669A1 (fr) | 1978-01-10 | 1978-01-10 | Procede de traitement d'un liquide par un gaz, notamment d'eaux residuaires par l'oxygene |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2421669A1 FR2421669A1 (fr) | 1979-11-02 |
FR2421669B1 true FR2421669B1 (enrdf_load_stackoverflow) | 1983-02-04 |
Family
ID=9203255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7800550A Granted FR2421669A1 (fr) | 1978-01-10 | 1978-01-10 | Procede de traitement d'un liquide par un gaz, notamment d'eaux residuaires par l'oxygene |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2421669A1 (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4374088A (en) | 1980-03-03 | 1983-02-15 | Gambro Heart-Lung Products Ab | Apparatus for the transfer of one or more substances between a gas and a liquid |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5451349A (en) * | 1994-08-08 | 1995-09-19 | Praxair Technology, Inc. | Advanced gas control in gas-liquid mixing systems |
US7661871B2 (en) * | 2005-02-03 | 2010-02-16 | Robert Rinehart Hyatt | Apparatus for storing, mixing, metering, and injecting polymeric slurries into pipelines |
-
1978
- 1978-01-10 FR FR7800550A patent/FR2421669A1/fr active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4374088A (en) | 1980-03-03 | 1983-02-15 | Gambro Heart-Lung Products Ab | Apparatus for the transfer of one or more substances between a gas and a liquid |
Also Published As
Publication number | Publication date |
---|---|
FR2421669A1 (fr) | 1979-11-02 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |