AU1137801A - Aeration diffuser - Google Patents

Aeration diffuser

Info

Publication number
AU1137801A
AU1137801A AU11378/01A AU1137801A AU1137801A AU 1137801 A AU1137801 A AU 1137801A AU 11378/01 A AU11378/01 A AU 11378/01A AU 1137801 A AU1137801 A AU 1137801A AU 1137801 A AU1137801 A AU 1137801A
Authority
AU
Australia
Prior art keywords
aeration diffuser
aeration
diffuser
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.)
Abandoned
Application number
AU11378/01A
Inventor
Marc Arnaut
Johny Haegeman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bekaert NV SA
Aquasystems International NV
Original Assignee
Bekaert NV SA
Aquasystems International NV
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 Bekaert NV SA, Aquasystems International NV filed Critical Bekaert NV SA
Publication of AU1137801A publication Critical patent/AU1137801A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B01F23/2312—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
    • B01F23/23126—Diffusers characterised by the shape of the diffuser element
    • B01F23/231264—Diffusers characterised by the shape of the diffuser element being in the form of plates, flat beams, flat membranes or films
    • 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)
AU11378/01A 1999-10-15 2000-10-11 Aeration diffuser Abandoned AU1137801A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP99203406 1999-10-15
EP99203406 1999-10-15
PCT/EP2000/010087 WO2001028668A1 (en) 1999-10-15 2000-10-11 Aeration diffuser

Publications (1)

Publication Number Publication Date
AU1137801A true AU1137801A (en) 2001-04-30

Family

ID=8240752

Family Applications (1)

Application Number Title Priority Date Filing Date
AU11378/01A Abandoned AU1137801A (en) 1999-10-15 2000-10-11 Aeration diffuser

Country Status (2)

Country Link
AU (1) AU1137801A (en)
WO (1) WO2001028668A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002146659A (en) 2000-11-07 2002-05-22 Sumitomo Electric Ind Ltd Metallic nonwoven fabric and method for producing the same
AUPR907901A0 (en) * 2001-11-23 2001-12-20 Lawson, Thomas Urie Device for aerating liquids
CN101891309A (en) * 2010-07-22 2010-11-24 河北联合大学 Method for transferring mass between gas and liquid by utilizing medium
CN102173515A (en) * 2010-12-15 2011-09-07 浙江海洋学院 Flexible air stone
CN111732186B (en) * 2020-08-27 2020-11-06 湖南叶之能科技有限公司 Roll type membrane aeration bioreactor and preparation method thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127668A (en) * 1955-03-03 1964-04-07 Iit Res Inst High strength-variable porosity sintered metal fiber articles and method of making the same
US3490902A (en) * 1965-04-13 1970-01-20 Huyck Corp Metal fiber reinforcement
US5152888A (en) * 1991-10-24 1992-10-06 Net Co., Ltd. Apparatus for treatment of organic waste water and contactor for use therein
BE1008483A3 (en) * 1994-04-07 1996-05-07 Bekaert Sa Nv METAL FIBER MEMBRANE FOR gas combustion.
US5665479A (en) * 1995-12-12 1997-09-09 N.V. Bekaert S.A. Sintered multilayer metal fiber web
BE1011287A3 (en) * 1997-07-18 1999-07-06 Bekaert Sa Nv BEER FILTER.

Also Published As

Publication number Publication date
WO2001028668A1 (en) 2001-04-26

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase