FR2204449B3 - - Google Patents
Info
- Publication number
- FR2204449B3 FR2204449B3 FR7338118A FR7338118A FR2204449B3 FR 2204449 B3 FR2204449 B3 FR 2204449B3 FR 7338118 A FR7338118 A FR 7338118A FR 7338118 A FR7338118 A FR 7338118A FR 2204449 B3 FR2204449 B3 FR 2204449B3
- 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
- C02F3/20—Activated sludge processes using diffusers
- C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/86—Mixing heads comprising a driven stirrer
- B01F33/862—Mixing heads comprising a driven stirrer the stirrer being provided with a surrounding stator
-
- 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
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (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)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT356772A IT972088B (it) | 1972-10-25 | 1972-10-25 | Apparato miscelatore a girante som mersa e autoaspirazione e alimenta zione attraverso l albero della gi rante per contatto intimo fra fasi immiscibili aerazione reazione chimica estrazione con solvente assorbimento epr impianti del tipo a tino vasche e bacini |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2204449A1 FR2204449A1 (en) | 1974-05-24 |
FR2204449B3 true FR2204449B3 (en, 2012) | 1976-09-17 |
Family
ID=11109841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7338118A Granted FR2204449A1 (en) | 1972-10-25 | 1973-10-25 | Air into liq. mixing appts - esp. for aeration of effluent water streams, draws air down shaft for expulsion near turbine |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2353313A1 (en, 2012) |
FR (1) | FR2204449A1 (en, 2012) |
IT (1) | IT972088B (en, 2012) |
-
1972
- 1972-10-25 IT IT356772A patent/IT972088B/it active
-
1973
- 1973-10-24 DE DE19732353313 patent/DE2353313A1/de active Pending
- 1973-10-25 FR FR7338118A patent/FR2204449A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2353313A1 (de) | 1974-05-09 |
FR2204449A1 (en) | 1974-05-24 |
IT972088B (it) | 1974-05-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |