GB2259913B - Device for circulation and gas exchange in liquids - Google Patents

Device for circulation and gas exchange in liquids

Info

Publication number
GB2259913B
GB2259913B GB9224490A GB9224490A GB2259913B GB 2259913 B GB2259913 B GB 2259913B GB 9224490 A GB9224490 A GB 9224490A GB 9224490 A GB9224490 A GB 9224490A GB 2259913 B GB2259913 B GB 2259913B
Authority
GB
United Kingdom
Prior art keywords
liquids
circulation
gas exchange
exchange
gas
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 - Fee Related
Application number
GB9224490A
Other versions
GB2259913A (en
GB9224490D0 (en
Inventor
Keir Charles Campbell
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.)
Individual
Original Assignee
Individual
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
Priority claimed from GB8813468A external-priority patent/GB8813468D0/en
Application filed by Individual filed Critical Individual
Priority to GB9224490A priority Critical patent/GB2259913B/en
Publication of GB9224490D0 publication Critical patent/GB9224490D0/en
Publication of GB2259913A publication Critical patent/GB2259913A/en
Application granted granted Critical
Publication of GB2259913B publication Critical patent/GB2259913B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B01F23/23124—Diffusers consisting of flexible porous or perforated material, e.g. fabric
    • B01F23/231241—Diffusers consisting of flexible porous or perforated material, e.g. fabric the outlets being in the form of perforations
    • B01F23/231242—Diffusers consisting of flexible porous or perforated material, e.g. fabric the outlets being in the form of perforations in the form of slits or cut-out openings
    • 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
    • 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
    • B01F23/23112—Mounting the bubbling devices or the diffusers comprising the use of flow guiding elements adjacent or above the gas stream
    • B01F23/231121—Mounting the bubbling devices or the diffusers comprising the use of flow guiding elements adjacent or above the gas stream the flow guiding elements being baffles, tubes or walls
    • 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
    • B01F23/23122—Diffusers having elements opening under air pressure, e.g. valves
    • 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
    • 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
    • B01F23/231231—Diffusers consisting of rigid porous or perforated material the outlets being in the form of perforations
    • 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
    • B01F23/231231—Diffusers consisting of rigid porous or perforated material the outlets being in the form of perforations
    • B01F23/231232—Diffusers consisting of rigid porous or perforated material the outlets being in the form of perforations in the form of slits or cut-out openings
    • 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
    • C02F3/22—Activated sludge processes using circulation pipes
    • C02F3/223—Activated sludge processes using circulation pipes using "air-lift"
    • 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)
GB9224490A 1988-06-08 1992-11-23 Device for circulation and gas exchange in liquids Expired - Fee Related GB2259913B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9224490A GB2259913B (en) 1988-06-08 1992-11-23 Device for circulation and gas exchange in liquids

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8813468A GB8813468D0 (en) 1988-06-08 1988-06-08 Device for circulation & gas exchange in liquids
GB9224490A GB2259913B (en) 1988-06-08 1992-11-23 Device for circulation and gas exchange in liquids

Publications (3)

Publication Number Publication Date
GB9224490D0 GB9224490D0 (en) 1993-01-13
GB2259913A GB2259913A (en) 1993-03-31
GB2259913B true GB2259913B (en) 1993-09-29

Family

ID=26293984

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9224490A Expired - Fee Related GB2259913B (en) 1988-06-08 1992-11-23 Device for circulation and gas exchange in liquids

Country Status (1)

Country Link
GB (1) GB2259913B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1015481S1 (en) 2022-01-06 2024-02-20 Wholesale Septic Supplies, LLC Articulating diffuser

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2274042C (en) * 1997-04-04 2007-08-07 Daniel H. Dickman Aeration diffuser
US7441754B2 (en) 2005-10-28 2008-10-28 Smith & Loveless, Inc. Apparatus for introducing a gas into a body of liquid
US20130056076A1 (en) * 2010-03-02 2013-03-07 Acal Energy Ltd Bubbles generation device and method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1279436A (en) * 1968-08-03 1972-06-28 Martin Danjes Device for aerating sewage water
US3794303A (en) * 1973-06-11 1974-02-26 B Hirshon Method and apparatus for aerating bodies of water
US4070423A (en) * 1974-08-05 1978-01-24 Pierce Roger C Apparatus for diffusion in bodies of liquid
GB1531015A (en) * 1975-10-31 1978-11-01 Laurie A Aeration and mixing of liquids
GB2128175A (en) * 1982-10-07 1984-04-26 Boc Group Plc Method and apparatus for treating sewage
US4478766A (en) * 1982-08-13 1984-10-23 Ngk Insulators, Ltd. Air diffuser for waste water treatment
US4486361A (en) * 1980-01-09 1984-12-04 Degremont Apparatus for introducing gas into a liquid mass
US4581137A (en) * 1984-10-19 1986-04-08 Ozonics Corporation Gas diffuser tube assembly

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1279436A (en) * 1968-08-03 1972-06-28 Martin Danjes Device for aerating sewage water
US3794303A (en) * 1973-06-11 1974-02-26 B Hirshon Method and apparatus for aerating bodies of water
US4070423A (en) * 1974-08-05 1978-01-24 Pierce Roger C Apparatus for diffusion in bodies of liquid
GB1531015A (en) * 1975-10-31 1978-11-01 Laurie A Aeration and mixing of liquids
US4486361A (en) * 1980-01-09 1984-12-04 Degremont Apparatus for introducing gas into a liquid mass
US4478766A (en) * 1982-08-13 1984-10-23 Ngk Insulators, Ltd. Air diffuser for waste water treatment
GB2128175A (en) * 1982-10-07 1984-04-26 Boc Group Plc Method and apparatus for treating sewage
US4581137A (en) * 1984-10-19 1986-04-08 Ozonics Corporation Gas diffuser tube assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1015481S1 (en) 2022-01-06 2024-02-20 Wholesale Septic Supplies, LLC Articulating diffuser

Also Published As

Publication number Publication date
GB2259913A (en) 1993-03-31
GB9224490D0 (en) 1993-01-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010608