FR2451771B1 - - Google Patents
Info
- Publication number
- FR2451771B1 FR2451771B1 FR7906974A FR7906974A FR2451771B1 FR 2451771 B1 FR2451771 B1 FR 2451771B1 FR 7906974 A FR7906974 A FR 7906974A FR 7906974 A FR7906974 A FR 7906974A FR 2451771 B1 FR2451771 B1 FR 2451771B1
- 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
- C02F3/24—Activated sludge processes using free-fall aeration or spraying
-
- 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
- B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
- B01F23/2321—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by moving liquid and gas in counter current
- B01F23/23211—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by moving liquid and gas in counter current the liquid flowing in a thin film to absorb the gas
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- 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)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7906974A FR2451771A1 (fr) | 1979-03-20 | 1979-03-20 | Procede de saturation d'un liquide par un gaz et son application a l'epuration d'effluents basiques |
| IT25768/79A IT1123192B (it) | 1979-03-20 | 1979-09-17 | Procedimento di saturazione di un liquido con un gas e sua applicazione alla purificazione di effluenti basici |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7906974A FR2451771A1 (fr) | 1979-03-20 | 1979-03-20 | Procede de saturation d'un liquide par un gaz et son application a l'epuration d'effluents basiques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2451771A1 FR2451771A1 (fr) | 1980-10-17 |
| FR2451771B1 true FR2451771B1 (OSRAM) | 1984-01-13 |
Family
ID=9223322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7906974A Granted FR2451771A1 (fr) | 1979-03-20 | 1979-03-20 | Procede de saturation d'un liquide par un gaz et son application a l'epuration d'effluents basiques |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2451771A1 (OSRAM) |
| IT (1) | IT1123192B (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0580802A1 (en) * | 1991-04-18 | 1994-02-02 | Costar Corporation | Apparatus for diffusing gas into a liquid |
| FR2805532A1 (fr) * | 2000-02-29 | 2001-08-31 | Anca | Procede chimique et mecanique de regeneration des eaux de rejets d'une centrale a beton, installation pour la mise en oeuvre du procede |
| FR2975685B1 (fr) * | 2011-05-27 | 2014-01-03 | Tech Du Melange Ind Tmi | Installation pour la neutralisation d'effluents basiques |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB101314A (en) * | 1916-03-28 | 1916-09-07 | Lucien Linden | Improved Method of and Apparatus for Softening Water. |
| FR947449A (fr) * | 1947-06-02 | 1949-07-01 | Procédé et installation pour le traitement de l'eau destinée à l'alimentation des chaudières à vapeur et appareils analogues | |
| FR1257472A (fr) * | 1960-05-20 | 1961-03-31 | Réacteur cylindrique pour lè traitement de l'eau | |
| DE2256874A1 (de) * | 1972-11-20 | 1974-05-22 | Pollution Control Systems | Abwasserbehandlungsvorrichtung |
| DE2638428C3 (de) * | 1976-08-26 | 1982-12-23 | AGEFKO Kohlensäure-Industrie GmbH, 4000 Düsseldorf | Verfahren zur Neutralisation von Abwasser |
-
1979
- 1979-03-20 FR FR7906974A patent/FR2451771A1/fr active Granted
- 1979-09-17 IT IT25768/79A patent/IT1123192B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT1123192B (it) | 1986-04-30 |
| IT7925768A0 (it) | 1979-09-17 |
| FR2451771A1 (fr) | 1980-10-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |