EP1718398A4 - Water filtration using immersed membranes - Google Patents

Water filtration using immersed membranes

Info

Publication number
EP1718398A4
EP1718398A4 EP05714524A EP05714524A EP1718398A4 EP 1718398 A4 EP1718398 A4 EP 1718398A4 EP 05714524 A EP05714524 A EP 05714524A EP 05714524 A EP05714524 A EP 05714524A EP 1718398 A4 EP1718398 A4 EP 1718398A4
Authority
EP
European Patent Office
Prior art keywords
water filtration
immersed membranes
membranes
immersed
filtration
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.)
Withdrawn
Application number
EP05714524A
Other languages
German (de)
French (fr)
Other versions
EP1718398A1 (en
Inventor
Nicholas William Harcsar Adams
Manwinder Singh
Fraser Charles Kent
Pierre Lucien Cote
David Brian Ross
Kevin Simon Joseph Dufresne
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.)
GE Zenon ULC
Original Assignee
Zenon Environmental Inc
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 CA002482517A external-priority patent/CA2482517A1/en
Application filed by Zenon Environmental Inc filed Critical Zenon Environmental Inc
Priority claimed from PCT/CA2005/000282 external-priority patent/WO2005082498A1/en
Publication of EP1718398A1 publication Critical patent/EP1718398A1/en
Publication of EP1718398A4 publication Critical patent/EP1718398A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/08—Flat membrane modules
    • B01D63/082—Flat membrane modules comprising a stack of flat membranes
    • B01D63/0821—Membrane plate arrangements for submerged operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/18—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/22—Controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • 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
    • C02F3/1236—Particular type of activated sludge installations
    • C02F3/1268—Membrane bioreactor systems
    • C02F3/1273—Submerged membrane bioreactors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2315/00—Details relating to the membrane module operation
    • B01D2315/06—Submerged-type; Immersion type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/04—Backflushing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/18—Use of gases
    • B01D2321/185—Aeration
    • 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)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
EP05714524A 2004-02-27 2005-02-25 Water filtration using immersed membranes Withdrawn EP1718398A4 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US54778704P 2004-02-27 2004-02-27
US57580404P 2004-06-02 2004-06-02
CA002482517A CA2482517A1 (en) 2004-09-24 2004-09-24 Membrane filter cleansing process
US10/961,077 US20060065596A1 (en) 2004-09-24 2004-10-12 Membrane filter cleansing process
US63343204P 2004-12-07 2004-12-07
PCT/CA2005/000282 WO2005082498A1 (en) 2004-02-27 2005-02-25 Water filtration using immersed membranes

Publications (2)

Publication Number Publication Date
EP1718398A1 EP1718398A1 (en) 2006-11-08
EP1718398A4 true EP1718398A4 (en) 2007-04-25

Family

ID=37480454

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05714524A Withdrawn EP1718398A4 (en) 2004-02-27 2005-02-25 Water filtration using immersed membranes

Country Status (3)

Country Link
EP (1) EP1718398A4 (en)
AU (1) AU2005216578A1 (en)
CA (1) CA2560152A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2964891C (en) 2014-10-22 2021-11-09 Koch Membrane Systems, Inc. Membrane filter module with bundle-releasing gasification device
USD779631S1 (en) 2015-08-10 2017-02-21 Koch Membrane Systems, Inc. Gasification device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0217925A (en) * 1988-07-07 1990-01-22 Toshiba Corp Method for backwashing hollow yarn membrane filter apparatus
JPH02164423A (en) * 1988-12-20 1990-06-25 Toshiba Corp Method for washing hollow fiber membrane filter
JPH0747245A (en) * 1993-08-03 1995-02-21 Kurita Water Ind Ltd Washing of membrane separation apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0217925A (en) * 1988-07-07 1990-01-22 Toshiba Corp Method for backwashing hollow yarn membrane filter apparatus
JPH02164423A (en) * 1988-12-20 1990-06-25 Toshiba Corp Method for washing hollow fiber membrane filter
JPH0747245A (en) * 1993-08-03 1995-02-21 Kurita Water Ind Ltd Washing of membrane separation apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2005082498A1 *

Also Published As

Publication number Publication date
AU2005216578A1 (en) 2005-09-09
EP1718398A1 (en) 2006-11-08
CA2560152A1 (en) 2005-09-09

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20060920

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

A4 Supplementary search report drawn up and despatched

Effective date: 20070322

RIC1 Information provided on ipc code assigned before grant

Ipc: B01D 65/02 20060101AFI20050913BHEP

Ipc: B01D 63/02 20060101ALI20070316BHEP

Ipc: B01D 65/08 20060101ALI20070316BHEP

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20080701

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20101019