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DE69115333D1 - Feinblasiges Diffusorsystem - Google Patents

Feinblasiges Diffusorsystem

Info

Publication number
DE69115333D1
DE69115333D1 DE69115333T DE69115333T DE69115333D1 DE 69115333 D1 DE69115333 D1 DE 69115333D1 DE 69115333 T DE69115333 T DE 69115333T DE 69115333 T DE69115333 T DE 69115333T DE 69115333 D1 DE69115333 D1 DE 69115333D1
Authority
DE
Germany
Prior art keywords
fine bubble
diffuser system
bubble diffuser
fine
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.)
Expired - Lifetime
Application number
DE69115333T
Other languages
English (en)
Inventor
Brian Lawrence Jones
Keith Jonathan Ilett
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.)
WYATT Ltd
Original Assignee
WYATT Ltd
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 WYATT Ltd filed Critical WYATT Ltd
Application granted granted Critical
Publication of DE69115333D1 publication Critical patent/DE69115333D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B01F23/231263—Diffusers characterised by the shape of the diffuser element having dome-, cap- or inversed cone-shape
    • 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)
DE69115333T 1990-04-12 1991-04-12 Feinblasiges Diffusorsystem Expired - Lifetime DE69115333D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9008344A GB2242839B (en) 1990-04-12 1990-04-12 Improvements relating to fine bubble diffuser systems

Publications (1)

Publication Number Publication Date
DE69115333D1 true DE69115333D1 (de) 1996-01-25

Family

ID=10674354

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69115333T Expired - Lifetime DE69115333D1 (de) 1990-04-12 1991-04-12 Feinblasiges Diffusorsystem

Country Status (4)

Country Link
EP (1) EP0452144B1 (de)
DE (1) DE69115333D1 (de)
GB (1) GB2242839B (de)
ZA (1) ZA912602B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015121612B4 (de) * 2015-12-11 2019-09-19 Manfred Scheefeldt Dombelüfter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB605046A (en) * 1944-07-25 1948-07-15 Activated Sludge Ltd Improvements in or relating to diffusers for diffusing gases into liquids
GB1442476A (en) * 1973-10-25 1976-07-14 Price F C Method and apparatus for diffusing gas in a liquid
AT330688B (de) * 1973-11-13 1976-07-12 Georg Hamburger & Co K G Duse zum verteilen von gasen in flussigkeiten, insbesondere abwasser
GB2086745B (en) * 1980-10-09 1984-05-10 Hawker Siddeley Water Eng Gas diffuser

Also Published As

Publication number Publication date
GB9008344D0 (en) 1990-06-13
ZA912602B (en) 1991-12-24
GB2242839B (en) 1993-07-14
EP0452144B1 (de) 1995-12-13
GB2242839A (en) 1991-10-16
EP0452144A1 (de) 1991-10-16

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Legal Events

Date Code Title Description
8332 No legal effect for de