FR2140547B3 - - Google Patents
Info
- Publication number
- FR2140547B3 FR2140547B3 FR7220558A FR7220558A FR2140547B3 FR 2140547 B3 FR2140547 B3 FR 2140547B3 FR 7220558 A FR7220558 A FR 7220558A FR 7220558 A FR7220558 A FR 7220558A FR 2140547 B3 FR2140547 B3 FR 2140547B3
- 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
- C02F3/16—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
-
- 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
-
- 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
-
- 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)
- Soil Working Implements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712128857 DE2128857A1 (en) | 1971-06-11 | 1971-06-11 | Method and device for power control in surface aerators |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2140547A1 FR2140547A1 (en) | 1973-01-19 |
FR2140547B3 true FR2140547B3 (en) | 1974-06-07 |
Family
ID=5810390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7220558A Granted FR2140547A1 (en) | 1971-06-11 | 1972-06-08 | Surface aerator - with variable outlet area |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT312532B (en) |
BE (1) | BE784647A (en) |
CH (1) | CH539000A (en) |
DE (1) | DE2128857A1 (en) |
FR (1) | FR2140547A1 (en) |
IT (1) | IT953880B (en) |
NL (1) | NL7207728A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1133340B (en) * | 1980-09-26 | 1986-07-09 | Lussoria Antonietta Sciolla | EQUIPMENT FOR GAS MIXING IN A LIQUID, PARTICULARLY FOR THE OXYGENATION OF POLLUTED WATERS |
-
1971
- 1971-06-11 DE DE19712128857 patent/DE2128857A1/en active Pending
-
1972
- 1972-04-29 IT IT2376672A patent/IT953880B/en active
- 1972-05-12 CH CH709472A patent/CH539000A/en not_active IP Right Cessation
- 1972-06-07 NL NL7207728A patent/NL7207728A/xx unknown
- 1972-06-08 FR FR7220558A patent/FR2140547A1/en active Granted
- 1972-06-09 AT AT499472A patent/AT312532B/en not_active IP Right Cessation
- 1972-06-09 BE BE784647A patent/BE784647A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE2128857A1 (en) | 1972-12-28 |
FR2140547A1 (en) | 1973-01-19 |
BE784647A (en) | 1972-10-02 |
AT312532B (en) | 1974-01-10 |
CH539000A (en) | 1973-07-15 |
NL7207728A (en) | 1972-12-13 |
IT953880B (en) | 1973-08-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |