WO2005060425A2 - Membrane modules and integrated membrane cassettes - Google Patents

Membrane modules and integrated membrane cassettes Download PDF

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Publication number
WO2005060425A2
WO2005060425A2 PCT/US2004/035195 US2004035195W WO2005060425A2 WO 2005060425 A2 WO2005060425 A2 WO 2005060425A2 US 2004035195 W US2004035195 W US 2004035195W WO 2005060425 A2 WO2005060425 A2 WO 2005060425A2
Authority
WO
WIPO (PCT)
Prior art keywords
membrane
module
manifold
elements
membrane elements
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.)
Ceased
Application number
PCT/US2004/035195
Other languages
English (en)
French (fr)
Other versions
WO2005060425A3 (en
Inventor
Jonathan F. Hester
David J. Colburn
Michael K. Domroese
Harold T. Freemyer
Robert S. Kody
David F. Slama
Peter B. Zenk
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Priority to BRPI0417059-8A priority Critical patent/BRPI0417059A/pt
Priority to AU2004304819A priority patent/AU2004304819A1/en
Priority to CN2004800361818A priority patent/CN1890016B/zh
Priority to JP2006542569A priority patent/JP4382821B2/ja
Priority to MXPA06006143A priority patent/MXPA06006143A/es
Priority to EP04796229A priority patent/EP1689501A2/en
Priority to CA002547593A priority patent/CA2547593A1/en
Publication of WO2005060425A2 publication Critical patent/WO2005060425A2/en
Publication of WO2005060425A3 publication Critical patent/WO2005060425A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B01D63/0822—Plate-and-frame devices
    • 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
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/06—External membrane module supporting or fixing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/10—Specific supply elements
    • B01D2313/105—Supply manifolds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/12—Specific discharge elements
    • B01D2313/125—Discharge manifolds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/26—Specific gas distributors or gas intakes
    • 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
    • B01D2321/18—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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y10T428/24661—Forming, or cooperating to form cells
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24744—Longitudinal or transverse tubular cavity or cell

Definitions

  • the resulting microbial film may comprise both aerobic and anaerobic types of bacteria in a wider variety than that typically found in a conventional sparged tank, thereby resulting in enhanced removal of nitrogen and other contaminants.
  • MABRs are also a more energy efficient means for the delivery of oxygen to the microbes and thus are potentially less expensive to operate than conventional air spargers.
  • MABR membranes may be used to deliver other gases to microbes in water.
  • gas mixtures containing methane may be advantageously used when the microbial population comprises methylotrophic bacteria.
  • Extractive membrane bioreactors are a third membrane-based technology used in wastewater and waste gas treatment.
  • the angled shape directs the bubbles to the sides of the modules, thereby preventing the bubbles from collecting in the device.
  • the primary manifold itself may be configured to deliver bubbles to the spaces between the membrane elements of a membrane module
  • the modules or cassettes may include a separate device for generating gas bubbles.
  • Means for providing air bubbles to membrane elements have been described in, for example, U.S. Patent No. 5,192,456 and U.S. Patent No. 6,294,039.
  • One purpose for delivering gas bubbles to the spaces between the membrane elements is for bubble scrubbing of the membranes. Scrubbing occurs as the bubbles rise upwards through the cassette, passing between the adjacent membrane elements.
  • FIG. 9 shows a cross-sectional view of the bottom primary manifold 4 and lower portions of the membrane elements 2 of an exemplary membrane module configured to provide both fine bubbles 46 and coarse bubbles 48.
  • Fine bubbles 46 are dispensed from below the membrane module by any of a variety of means which are well known.
  • V-shaped or slanted channels 44 in the manifold 4 combine the fine bubbles 46 into larger bubbles 48 that are introduced into the spaces 8 between the membrane elements 2 through perforations 6 in the manifold 4.
  • the top and bottom of the membrane elements are free for gas bubble delivery via a dedicated gas supply device (not shown).

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)
  • Separation Using Semi-Permeable Membranes (AREA)
PCT/US2004/035195 2003-12-03 2004-10-22 Membrane modules and integrated membrane cassettes Ceased WO2005060425A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BRPI0417059-8A BRPI0417059A (pt) 2003-12-03 2004-10-22 módulo de membrana para transferir um constituinte para ou de um fluido e cartucho de membranas
AU2004304819A AU2004304819A1 (en) 2003-12-03 2004-10-22 Membrane modules and integrated membrane cassettes
CN2004800361818A CN1890016B (zh) 2003-12-03 2004-10-22 膜组件与一体式膜箱
JP2006542569A JP4382821B2 (ja) 2003-12-03 2004-10-22 膜モジュールおよび一体化膜カセット
MXPA06006143A MXPA06006143A (es) 2003-12-03 2004-10-22 Modulos de membranas y casetes de membranas integrados.
EP04796229A EP1689501A2 (en) 2003-12-03 2004-10-22 Membrane modules and integrated membrane cassettes
CA002547593A CA2547593A1 (en) 2003-12-03 2004-10-22 Membrane modules and integrated membrane cassettes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/726,900 US7279215B2 (en) 2003-12-03 2003-12-03 Membrane modules and integrated membrane cassettes
US10/726,900 2003-12-03

Publications (2)

Publication Number Publication Date
WO2005060425A2 true WO2005060425A2 (en) 2005-07-07
WO2005060425A3 WO2005060425A3 (en) 2005-09-22

Family

ID=34633399

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/035195 Ceased WO2005060425A2 (en) 2003-12-03 2004-10-22 Membrane modules and integrated membrane cassettes

Country Status (10)

Country Link
US (1) US7279215B2 (enExample)
EP (1) EP1689501A2 (enExample)
JP (1) JP4382821B2 (enExample)
KR (1) KR20060131768A (enExample)
CN (1) CN1890016B (enExample)
AU (1) AU2004304819A1 (enExample)
BR (1) BRPI0417059A (enExample)
CA (1) CA2547593A1 (enExample)
MX (1) MXPA06006143A (enExample)
WO (1) WO2005060425A2 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
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JP2008188562A (ja) * 2007-02-07 2008-08-21 Mitsubishi Rayon Eng Co Ltd 膜分離装置
KR101130463B1 (ko) * 2005-12-30 2012-03-27 주식회사 효성 침지형 평막모듈

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US20050123727A1 (en) 2005-06-09
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US7279215B2 (en) 2007-10-09
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