FR2050843A5 - Foam block for effluent-treating aeration - basis - Google Patents
Foam block for effluent-treating aeration - basisInfo
- Publication number
- FR2050843A5 FR2050843A5 FR6921496A FR6921496A FR2050843A5 FR 2050843 A5 FR2050843 A5 FR 2050843A5 FR 6921496 A FR6921496 A FR 6921496A FR 6921496 A FR6921496 A FR 6921496A FR 2050843 A5 FR2050843 A5 FR 2050843A5
- Authority
- FR
- France
- Prior art keywords
- block
- hollow area
- air
- effluent
- basis
- 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.)
- Expired
Links
- 239000006260 foam Substances 0.000 title abstract 2
- 238000005273 aeration Methods 0.000 title 1
- 239000011148 porous material Substances 0.000 abstract 2
- 239000006261 foam material Substances 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000010802 sludge Substances 0.000 abstract 1
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
- C02F3/201—Perforated, resilient plastic diffusers, e.g. membranes, sheets, foils, tubes, hoses
-
- 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
-
- 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
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
- B01F23/23105—Arrangement or manipulation of the gas bubbling devices
- B01F23/2312—Diffusers
-
- 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
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
- B01F23/23105—Arrangement or manipulation of the gas bubbling devices
- B01F23/2312—Diffusers
- B01F23/23123—Diffusers consisting of rigid porous or perforated material
- B01F23/231233—Diffusers consisting of rigid porous or perforated material comprising foam-like gas outlets
-
- 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)
- Biological Treatment Of Waste Water (AREA)
Abstract
The foam block has open cells and a hollow area which can be connected to a source of pressurised air and placed under excess pressure, so that the pores expand and allow the air to excape in small bubbles. The air, as it passes through the pores takes any sludge or impurities with it. The length of the block is at least a tenth power of its height and the hollow area on the underside of the block is formed between a riding sheet metal or hard plastic block support and the block itsef. The hollow area can be drained by areas of foam material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6921496A FR2050843A5 (en) | 1969-06-26 | 1969-06-26 | Foam block for effluent-treating aeration - basis |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6921496A FR2050843A5 (en) | 1969-06-26 | 1969-06-26 | Foam block for effluent-treating aeration - basis |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2050843A5 true FR2050843A5 (en) | 1971-04-02 |
Family
ID=9036429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6921496A Expired FR2050843A5 (en) | 1969-06-26 | 1969-06-26 | Foam block for effluent-treating aeration - basis |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2050843A5 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2218291A1 (en) * | 1973-02-19 | 1974-09-13 | Steuler Industriewerke Gmbh | Oxidising foul-smelling substances in waste water - esp. from food and allied industries and sewage generally, by air and possibly other gases |
FR2427840A1 (en) * | 1978-06-05 | 1980-01-04 | Didier Werke Ag | Air inlet pipe for gas distribution in liq. - esp. for waste water and sewage treatment |
-
1969
- 1969-06-26 FR FR6921496A patent/FR2050843A5/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2218291A1 (en) * | 1973-02-19 | 1974-09-13 | Steuler Industriewerke Gmbh | Oxidising foul-smelling substances in waste water - esp. from food and allied industries and sewage generally, by air and possibly other gases |
FR2427840A1 (en) * | 1978-06-05 | 1980-01-04 | Didier Werke Ag | Air inlet pipe for gas distribution in liq. - esp. for waste water and sewage treatment |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |