WO2008009484A3 - Diffuser - Google Patents

Diffuser Download PDF

Info

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
Application number
PCT/EP2007/007019
Other languages
German (de)
French (fr)
Other versions
WO2008009484A2 (en
Inventor
Stephan Buch
Original Assignee
Bioworks Verfahrenstechnik Gmb
Stephan Buch
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bioworks Verfahrenstechnik Gmb, Stephan Buch filed Critical Bioworks Verfahrenstechnik Gmb
Publication of WO2008009484A2 publication Critical patent/WO2008009484A2/en
Publication of WO2008009484A3 publication Critical patent/WO2008009484A3/en

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

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).
PCT/EP2007/007019 2007-07-18 2007-08-08 Diffuser WO2008009484A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007033483.6 2007-07-18
DE200710033483 DE102007033483A1 (en) 2007-07-18 2007-07-18 aerators

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)

* Cited by examiner, † Cited by third party
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
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
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
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
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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