FR2278635A1 - Dispositif d'aeration d'eau a epurer - Google Patents
Dispositif d'aeration d'eau a epurerInfo
- Publication number
- FR2278635A1 FR2278635A1 FR7442495A FR7442495A FR2278635A1 FR 2278635 A1 FR2278635 A1 FR 2278635A1 FR 7442495 A FR7442495 A FR 7442495A FR 7442495 A FR7442495 A FR 7442495A FR 2278635 A1 FR2278635 A1 FR 2278635A1
- Authority
- FR
- France
- Prior art keywords
- aeration
- air flow
- small
- sewage treatment
- splash wheel
- 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.)
- Withdrawn
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
- C02F3/1284—Mixing devices
-
- 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
- B01F23/23421—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 the stirrers rotating about a vertical axis
- B01F23/234211—Stirrers thereof
-
- 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
- C02F3/16—Activated sludge processes using surface aeration the aerator having a vertical axis
-
- 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
- C02F3/16—Activated sludge processes using surface aeration the aerator having a vertical axis
- C02F3/165—Activated sludge processes using surface aeration the aerator having a vertical axis using vertical aeration channels
-
- 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)
- Chemical & Material Sciences (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)
- Chemical Kinetics & Catalysis (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2409549A DE2409549A1 (de) | 1974-02-28 | 1974-02-28 | Vorrichtung zum verspruehen von klaerwasser in luft |
DE2418679A DE2418679A1 (de) | 1974-02-28 | 1974-04-18 | Vorrichtung zum verspruehen von klaerwasser in luft |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2278635A1 true FR2278635A1 (fr) | 1976-02-13 |
Family
ID=25766712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7442495A Withdrawn FR2278635A1 (fr) | 1974-02-28 | 1974-12-23 | Dispositif d'aeration d'eau a epurer |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE2409549A1 (fr) |
FR (1) | FR2278635A1 (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4540528A (en) * | 1980-07-08 | 1985-09-10 | Haegeman Johny H | Apparatus for mixing gas and liquid |
BE884216A (nl) * | 1980-07-08 | 1980-11-03 | Haegeman Johny H | Inrichting voor het mengen van gas met vloeistof of omgekeerd en voor het ontgassen van een vloeistof |
JP3253212B2 (ja) * | 1993-03-31 | 2002-02-04 | 関西化学機械製作株式会社 | 攪拌翼および攪拌方法 |
US5785424A (en) * | 1993-04-30 | 1998-07-28 | Kansai Chemical Engineering Co. Ltd. | Agitator blade having agitators with open first and second ends and inner fabrics therein |
BE1008727A3 (nl) * | 1994-09-28 | 1996-07-02 | Haegeman J H | Oppervlaktebeluchter met verhoogde luchtinbreng. |
DE69810067T2 (de) | 1997-11-14 | 2003-10-02 | Kansai Chemical Engineering Co., Ltd. | Vorrichtung und Verfahren zur Flüssigkeitsejektion |
CA2298879C (fr) | 1999-02-22 | 2004-09-14 | Hideo Noda | Appareil d'ejection liquide et methode d'ejection liquide |
AU2002365076B2 (en) * | 2002-09-16 | 2008-12-18 | Mixing And Mass Transfer Technologies, Inc. | Surface aeration impellers |
PL221050B1 (pl) * | 2010-01-12 | 2016-02-29 | Telesto Spółka Z Ograniczoną Odpowiedzialnością | Urządzenie do regulacji przepływu dwufazowego i przenośny rozpylacz cieczy z przepływem dwufazowym |
-
1974
- 1974-02-28 DE DE2409549A patent/DE2409549A1/de active Pending
- 1974-04-18 DE DE2418679A patent/DE2418679A1/de active Pending
- 1974-12-23 FR FR7442495A patent/FR2278635A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2418679A1 (de) | 1975-10-30 |
DE2409549A1 (de) | 1975-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |