WO2008009484A3 - Diffuser - Google Patents
Diffuser Download PDFInfo
- Publication number
- WO2008009484A3 WO2008009484A3 PCT/EP2007/007019 EP2007007019W WO2008009484A3 WO 2008009484 A3 WO2008009484 A3 WO 2008009484A3 EP 2007007019 W EP2007007019 W EP 2007007019W WO 2008009484 A3 WO2008009484 A3 WO 2008009484A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- diffuser
- support
- hollow body
- floodable
- submerged
- Prior art date
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
- C02F3/201—Perforated, resilient plastic diffusers, e.g. membranes, sheets, foils, tubes, hoses
-
- 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
- B01F23/2311—Mounting the bubbling devices or the diffusers
- B01F23/23115—Mounting the bubbling devices or the diffusers characterised by the way in which the bubbling devices are mounted within the receptacle
- B01F23/231154—Mounting the bubbling devices or the diffusers characterised by the way in which the bubbling devices are mounted within the receptacle the bubbling devices being provided with ballast to keep them floating under the surface, i.e. when the bubbling devices are lighter than the liquid
-
- 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
- B01F23/2311—Mounting the bubbling devices or the diffusers
- B01F23/23116—Means for manipulating the bubbling constructions or elements, e.g. for raising or lowering them
-
- 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
- B01F23/23124—Diffusers consisting of flexible porous or perforated material, e.g. fabric
-
- 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
- B01F23/23124—Diffusers consisting of flexible porous or perforated material, e.g. fabric
- B01F23/231244—Dissolving, hollow fiber membranes
-
- 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
- B01F23/23126—Diffusers characterised by the shape of the diffuser element
- B01F23/231265—Diffusers characterised by the shape of the diffuser element being tubes, tubular elements, cylindrical elements or set of tubes
-
- 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
- C02F3/207—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors with axial thrust propellers
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth 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)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention relates to a submerged diffuser which comprises at least one air diffusing device (1) arranged on a support (3, 43). The submerged diffuser is characterized by having at least one floodable hollow body (2, 42), the support (3, 43) being configured as the floodable hollow body (2, 42).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710033483 DE102007033483A1 (en) | 2007-07-18 | 2007-07-18 | aerators |
DE102007033483.6 | 2007-07-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2008009484A2 WO2008009484A2 (en) | 2008-01-24 |
WO2008009484A3 true WO2008009484A3 (en) | 2009-02-05 |
Family
ID=38863438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/007019 WO2008009484A2 (en) | 2007-07-18 | 2007-08-08 | Diffuser |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102007033483A1 (en) |
WO (1) | WO2008009484A2 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL186838A (en) * | 2007-10-22 | 2011-10-31 | Mapal Green Energy Ltd | Aeration device |
CN102583795A (en) * | 2012-02-15 | 2012-07-18 | 江苏兆盛环保集团有限公司 | Supporting tube of diaphragm tube type micro-pore aerator |
CN102583799A (en) * | 2012-03-14 | 2012-07-18 | 江苏荆溪环保设备有限公司 | Integral arch-shaped corundum aerator |
CN102583715A (en) * | 2012-03-14 | 2012-07-18 | 江苏荆溪环保设备有限公司 | Integrated microporous aerator with corundum tube |
CN104430136A (en) * | 2014-12-03 | 2015-03-25 | 许石宝 | Multi-functional aeration and sterilization disinfector |
CN104843885A (en) * | 2015-06-04 | 2015-08-19 | 浙江泛太平洋针织印染有限公司 | Aeration device for sewage treatment |
DE102017121159A1 (en) * | 2017-09-13 | 2019-03-14 | Wks Technik Gmbh | Double pipe ventilation element and ventilation system |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5183595A (en) * | 1990-04-20 | 1993-02-02 | Schuessler Karl H | Device for gassing liquids |
US5587114A (en) * | 1995-06-06 | 1996-12-24 | Environmental Dynamics, Inc. | Aeration system employing retrievable aeration modules |
US5851448A (en) * | 1996-06-17 | 1998-12-22 | Aerresearch, Inc. | Single guide member retrievable aeration system |
EP0947473A1 (en) * | 1998-03-03 | 1999-10-06 | Huber + Suhner AG Kabel-, Kautschuk-, Kunststoffwerke | Aerator, combination of an aerator and a holding device and method for replacing an aerator |
FR2802524A1 (en) * | 1999-12-21 | 2001-06-22 | Tech Sub | System for the aeration of smooth water stretches or lakes has an upper and perforated horizontal aeration channel to generate bubbles linked to a second ballast channel which follows the contours of the water bed |
CA2313135A1 (en) * | 2000-06-29 | 2001-12-29 | Jim Leask | Float sink header |
US20060027496A1 (en) * | 2004-06-10 | 2006-02-09 | Campion William R | Microbial manure treatment system |
GB2431598A (en) * | 2005-10-28 | 2007-05-02 | Smith & Loveless Inc | Apparatus for introducing a gas into a body of a liquid |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8413384U1 (en) * | 1984-05-02 | 1984-08-16 | Passavant-Werke AG & Co KG, 6209 Aarbergen | VENTILATION DEVICE |
DE4001201C1 (en) | 1990-01-17 | 1991-10-02 | Reinhart Von Dr. 8011 Egmating De Nordenskjoeld | |
DE19621116C2 (en) | 1996-05-24 | 1998-08-06 | Invent Umwelt & Verfahrenstech | Floor distributor for loading flexible hoses with gas |
US5906774A (en) | 1997-05-20 | 1999-05-25 | Parkson Corporation | Submerged diffuser lifting arrangement |
US6086056A (en) * | 1998-04-29 | 2000-07-11 | Leask; Jim | Float sink header |
-
2007
- 2007-07-18 DE DE200710033483 patent/DE102007033483A1/en not_active Ceased
- 2007-08-08 WO PCT/EP2007/007019 patent/WO2008009484A2/en active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5183595A (en) * | 1990-04-20 | 1993-02-02 | Schuessler Karl H | Device for gassing liquids |
US5587114A (en) * | 1995-06-06 | 1996-12-24 | Environmental Dynamics, Inc. | Aeration system employing retrievable aeration modules |
US5851448A (en) * | 1996-06-17 | 1998-12-22 | Aerresearch, Inc. | Single guide member retrievable aeration system |
EP0947473A1 (en) * | 1998-03-03 | 1999-10-06 | Huber + Suhner AG Kabel-, Kautschuk-, Kunststoffwerke | Aerator, combination of an aerator and a holding device and method for replacing an aerator |
FR2802524A1 (en) * | 1999-12-21 | 2001-06-22 | Tech Sub | System for the aeration of smooth water stretches or lakes has an upper and perforated horizontal aeration channel to generate bubbles linked to a second ballast channel which follows the contours of the water bed |
CA2313135A1 (en) * | 2000-06-29 | 2001-12-29 | Jim Leask | Float sink header |
US20060027496A1 (en) * | 2004-06-10 | 2006-02-09 | Campion William R | Microbial manure treatment system |
GB2431598A (en) * | 2005-10-28 | 2007-05-02 | Smith & Loveless Inc | Apparatus for introducing a gas into a body of a liquid |
Also Published As
Publication number | Publication date |
---|---|
WO2008009484A2 (en) | 2008-01-24 |
DE102007033483A1 (en) | 2009-01-22 |
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