GB9013051D0 - A flow control element for use as a filter or gas diffuser - Google Patents

A flow control element for use as a filter or gas diffuser

Info

Publication number
GB9013051D0
GB9013051D0 GB9013051A GB9013051A GB9013051D0 GB 9013051 D0 GB9013051 D0 GB 9013051D0 GB 9013051 A GB9013051 A GB 9013051A GB 9013051 A GB9013051 A GB 9013051A GB 9013051 D0 GB9013051 D0 GB 9013051D0
Authority
GB
United Kingdom
Prior art keywords
filter
flow control
control element
gas diffuser
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.)
Pending
Application number
GB9013051A
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.)
LANMARK CONSULTANTS Ltd
Original Assignee
LANMARK CONSULTANTS 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 LANMARK CONSULTANTS Ltd filed Critical LANMARK CONSULTANTS Ltd
Priority to GB9013051A priority Critical patent/GB9013051D0/en
Publication of GB9013051D0 publication Critical patent/GB9013051D0/en
Priority to PCT/GB1991/000933 priority patent/WO1991019681A1/en
Priority to JP91510743A priority patent/JPH05507650A/en
Priority to AU80826/91A priority patent/AU8082691A/en
Pending 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
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
    • B01D29/48—Edge filtering elements, i.e. using contiguous impervious surfaces of spirally or helically wound bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
    • 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
    • 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
    • B01F23/231268—Diffusers characterised by the shape of the diffuser element being helically wound, coiled and joined bands or wires
    • 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)
  • Filtration Of Liquid (AREA)
  • Filtering Materials (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
GB9013051A 1990-06-12 1990-06-12 A flow control element for use as a filter or gas diffuser Pending GB9013051D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB9013051A GB9013051D0 (en) 1990-06-12 1990-06-12 A flow control element for use as a filter or gas diffuser
PCT/GB1991/000933 WO1991019681A1 (en) 1990-06-12 1991-06-11 A flow control element for use as a filter or gas diffuser
JP91510743A JPH05507650A (en) 1990-06-12 1991-06-11 Flow control element for use as a filter or gas diffuser
AU80826/91A AU8082691A (en) 1990-06-12 1991-06-11 A flow control element for use as a filter or gas diffuser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9013051A GB9013051D0 (en) 1990-06-12 1990-06-12 A flow control element for use as a filter or gas diffuser

Publications (1)

Publication Number Publication Date
GB9013051D0 true GB9013051D0 (en) 1990-08-01

Family

ID=10677456

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9013051A Pending GB9013051D0 (en) 1990-06-12 1990-06-12 A flow control element for use as a filter or gas diffuser

Country Status (4)

Country Link
JP (1) JPH05507650A (en)
AU (1) AU8082691A (en)
GB (1) GB9013051D0 (en)
WO (1) WO1991019681A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4413574C1 (en) * 1994-04-19 1995-07-20 Altenburger Electronic Gmbh Membrane for micro-filtration of fluid suspensions or gases
DE19860942C1 (en) 1998-12-29 2000-05-04 Wolfgang Luehr Waste water aerobic micro-biological treatment assembly minimizes the quantity of sludge for final disposal without sacrifice of water quality
US20130056076A1 (en) † 2010-03-02 2013-03-07 Acal Energy Ltd Bubbles generation device and method
WO2013136531A1 (en) * 2012-03-13 2013-09-19 関西化工株式会社 Multiple-disc type air microbubble diffuser

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB387486A (en) * 1932-01-07 1933-02-09 Distillers Co Yeast Ltd Improvements relating to the aeration of liquids or dispersion of gases or vapours therein
US2555201A (en) * 1947-02-26 1951-05-29 Carl H Nordell Diffuser tube
US3937281A (en) * 1974-06-27 1976-02-10 Texaco Inc. High load self-cleaning helical spring filters
IL69889A0 (en) * 1983-10-03 1984-01-31 Vehashkaya Amiad Sinun A fluid filter element and method of manufacturing it
GB8521716D0 (en) * 1985-08-31 1985-10-02 Parkman Group Servic Ltd Filters & values

Also Published As

Publication number Publication date
JPH05507650A (en) 1993-11-04
WO1991019681A1 (en) 1991-12-26
AU8082691A (en) 1992-01-07

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