FR2399272B3 - - Google Patents
Info
- Publication number
- FR2399272B3 FR2399272B3 FR7819877A FR7819877A FR2399272B3 FR 2399272 B3 FR2399272 B3 FR 2399272B3 FR 7819877 A FR7819877 A FR 7819877A FR 7819877 A FR7819877 A FR 7819877A FR 2399272 B3 FR2399272 B3 FR 2399272B3
- 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
-
- 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
- C02F3/145—Protection against aerosols
-
- 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)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Activated Sludge Processes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772734629 DE2734629A1 (de) | 1977-08-01 | 1977-08-01 | Vorrichtung zum belueften von fluessigkeiten, insbesondere abwasser |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2399272A1 FR2399272A1 (fr) | 1979-03-02 |
FR2399272B3 true FR2399272B3 (xx) | 1981-02-06 |
Family
ID=6015366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7819877A Granted FR2399272A1 (fr) | 1977-08-01 | 1978-07-04 | Dispositif pour l'aeration de liquides, et notamment d'eaux usees |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5460756A (xx) |
AT (1) | AT359930B (xx) |
DE (1) | DE2734629A1 (xx) |
DK (1) | DK339478A (xx) |
FR (1) | FR2399272A1 (xx) |
GB (1) | GB1596945A (xx) |
IT (1) | IT1103063B (xx) |
NL (1) | NL7807685A (xx) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT385754B (de) * | 1981-06-11 | 1988-05-10 | Tatabanyai Szenbanyak | Antrieb mit einer vertikalwelle zur oberflaechenbelueftung von fluessigkeiten, insbesondere wasser |
US4741869A (en) * | 1986-09-12 | 1988-05-03 | Dhv Raadgevend Ingenieursbureau B.V. | Apparatus for contacting a gas with a liquid, in particular for aerating waste water |
DE3931617A1 (de) * | 1989-09-22 | 1991-04-04 | Ieg Ind Engineering Gmbh | Anordnung zur reinigung und belueftung von offenen gewaessern |
US5262093A (en) * | 1990-04-06 | 1993-11-16 | Degremont | Cowling for a rotary surface aerator used for the aeration of tanks intended for water treatment |
FR2660647B1 (fr) * | 1990-04-06 | 1993-02-05 | Dregremont | Capotage pour aerateur rotatif de surface utilise pour l'aeration de bassins destines au traitement de l'eau. |
DE4120890A1 (de) * | 1991-06-25 | 1993-01-07 | Sanwa Seidlitz Gmbh | Vorrichtung zur anreicherung von gewaessern mit sauerstoff, die der aufzucht und dem transport von fischen dienen |
US6145815A (en) * | 1992-08-17 | 2000-11-14 | Praxair Technology, Inc. | System for enhanced gas dissolution having a hood positioned over the impeller with segregating rings |
BR9205151A (pt) * | 1992-08-17 | 1994-03-01 | Praxair Technology Inc | Dissolucao aumentada de gas |
FR2736044A1 (fr) * | 1995-06-29 | 1997-01-03 | Version Composite | Couvercle pour stations d'epuration |
IT1304565B1 (it) * | 1998-07-08 | 2001-03-19 | Silvano Becchi | Apparecchiatura perfezionata per la ossigenazione di acque nei bacini. |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH507164A (de) | 1970-06-16 | 1971-05-15 | Kaelin J R | Einrichtung zum Begasen von Flüssigkeiten, insbesondere zum Belüften von zu klärenden Abwasser |
US3846517A (en) * | 1972-07-26 | 1974-11-05 | Clow Corp | Stabilization system for a floating water aerator |
JPS5225023Y2 (xx) * | 1974-04-27 | 1977-06-07 | ||
JPS51119762U (xx) * | 1975-03-21 | 1976-09-28 | ||
DE2539086A1 (de) | 1975-09-03 | 1977-03-10 | Krupp Koppers Gmbh | Mit einem oder mehreren oberflaechenbelueftungskreiseln versehene vorrichtung zur belueftung von abwasser oder dergleichen fluessigkeiten |
-
1977
- 1977-08-01 DE DE19772734629 patent/DE2734629A1/de not_active Ceased
-
1978
- 1978-05-26 GB GB23487/78A patent/GB1596945A/en not_active Expired
- 1978-07-04 FR FR7819877A patent/FR2399272A1/fr active Granted
- 1978-07-11 AT AT499478A patent/AT359930B/de not_active IP Right Cessation
- 1978-07-18 NL NL787807685A patent/NL7807685A/xx not_active Application Discontinuation
- 1978-07-28 IT IT954878A patent/IT1103063B/it active
- 1978-07-31 DK DK339478A patent/DK339478A/da not_active Application Discontinuation
- 1978-08-01 JP JP9322778A patent/JPS5460756A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
DK339478A (da) | 1979-02-02 |
AT359930B (de) | 1980-12-10 |
ATA499478A (de) | 1980-04-15 |
IT1103063B (it) | 1985-10-14 |
IT7809548A0 (it) | 1978-07-28 |
DE2734629A1 (de) | 1979-02-08 |
FR2399272A1 (fr) | 1979-03-02 |
NL7807685A (nl) | 1979-02-05 |
GB1596945A (en) | 1981-09-03 |
JPS5460756A (en) | 1979-05-16 |
JPS5627318B2 (xx) | 1981-06-24 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |