CA2683000A1 - Method of reducing volume of feed liquid required in a porous hollow fibre membrane filtration system - Google Patents

Method of reducing volume of feed liquid required in a porous hollow fibre membrane filtration system Download PDF

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Publication number
CA2683000A1
CA2683000A1 CA002683000A CA2683000A CA2683000A1 CA 2683000 A1 CA2683000 A1 CA 2683000A1 CA 002683000 A CA002683000 A CA 002683000A CA 2683000 A CA2683000 A CA 2683000A CA 2683000 A1 CA2683000 A1 CA 2683000A1
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CA
Canada
Prior art keywords
filtration system
membrane filtration
filler
feed liquid
volume
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.)
Granted
Application number
CA002683000A
Other languages
French (fr)
Other versions
CA2683000C (en
Inventor
Warren Thomas Johnson
Peter Rogers
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.)
Siemens Industry Inc
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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
Application filed by Individual filed Critical Individual
Publication of CA2683000A1 publication Critical patent/CA2683000A1/en
Application granted granted Critical
Publication of CA2683000C publication Critical patent/CA2683000C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/06—Tubular membrane modules
    • 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
    • B01D61/20—Accessories; Auxiliary operations
    • 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
    • B01D63/02—Hollow fibre modules
    • 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
    • B01D63/02—Hollow fibre modules
    • B01D63/04—Hollow fibre modules comprising multiple hollow fibre assemblies
    • B01D63/046—Hollow fibre modules comprising multiple hollow fibre assemblies in separate housings
    • 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
    • B01D63/06—Tubular membrane modules
    • B01D63/069—Tubular membrane modules comprising a bundle of tubular membranes
    • 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
    • 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
    • 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

Abstract

A method and apparatus for reducing volume of feed liquid required in a porous membrane filtration system having a number of porous membranes (6) submersed in a volume of feed liquid to be filtered, the method comprising the step of providing filler elements (9) within said volume of feed liquid to be filtered.

Claims (15)

1. A method of reducing volume of feed liquid required in a porous membrane filtration system having a number of porous membranes submersed in a volume of feed liquid to be filtered, the method comprising the step of providing filler elements within said volume of feed liquid to be filtered.
2. A method according to claim 1 wherein the filler elements substantially fill voids between the porous membranes while still permitting liquid flow communication with the membranes.
3. A membrane filtration system having a number of porous membranes submersed in a volume of feed liquid to be filtered, wherein one or more filler members are provided in voids between said membranes to reduce said volume.
4. A membrane filtration system according to claim 3 wherein the membranes are porous hollow fibre membranes arranged in bundles to form membrane modules.
5. A membrane filtration system according to claim 4 wherein the modules are submersed in a liquid volume provided in a tank or cell open to atmospheric pressure.
6. A membrane filtration system according to claim 4 or 5 wherein the voids between the modules are at least partially filled by the filler member or members.
7. A membrane filtration system according to claim 3 wherein the filler members are each formed of a number of elements which fit together to form an integral unit.
8. A membrane filtration system according to claim 3 wherein said filler members are neutrally buoyant with respect to said feed liquid.
9. A membrane filtration system according to claim 3 wherein said filler members are spherical in shape.
10. A membrane filtration system according to claim 8 or claim 9 wherein said filler elements are hollow and adapted to be filled with a fluid to provide said neutral buoyancy.
11. A membrane filtration system according to claim 4 wherein the filler member is formed from complementary segments comprising a central element having two sets of parallel opposed semi-circular, in cross-section, channels extending longitudinally along the length of the central element, each channel have a diameter sized to accommodate and fit closely around the fibre bundles, and side filler segments of generally T-shaped cross-section with half-semi circular sides of the same diameter as said channels adapted to engage with said central element to form said filler member.
12. A membrane filtration system according to claim 11 wherein each filler member includes complementary engagement formations for engaging with associated engagement means on other filler members.
13. A membrane filtration system according to claim 3 wherein the filler member is formed of foamed plastics material.
14. A membrane filtration system according to claim 3 wherein the filler member is formed of blow-moulded plastics material.
15. A membrane filtration system according to claim 3 wherein the filler member is formed of rotor-moulded plastics material.
CA2683000A 2000-10-09 2001-10-03 Method of reducing volume of feed liquid required in a porous hollow fibre membrane filtration system Expired - Fee Related CA2683000C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPR0648A AUPR064800A0 (en) 2000-10-09 2000-10-09 Improved membrane filtration system
AUPR0648 2000-10-09
CA002424590A CA2424590C (en) 2000-10-09 2001-10-03 Improved membrane filtration system

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002424590A Division CA2424590C (en) 2000-10-09 2001-10-03 Improved membrane filtration system

Publications (2)

Publication Number Publication Date
CA2683000A1 true CA2683000A1 (en) 2002-04-18
CA2683000C CA2683000C (en) 2013-11-26

Family

ID=3824706

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002424590A Expired - Fee Related CA2424590C (en) 2000-10-09 2001-10-03 Improved membrane filtration system
CA2683000A Expired - Fee Related CA2683000C (en) 2000-10-09 2001-10-03 Method of reducing volume of feed liquid required in a porous hollow fibre membrane filtration system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002424590A Expired - Fee Related CA2424590C (en) 2000-10-09 2001-10-03 Improved membrane filtration system

Country Status (11)

Country Link
US (1) US6872305B2 (en)
EP (2) EP1618946B1 (en)
JP (2) JP3917937B2 (en)
CN (1) CN1224450C (en)
AT (2) ATE314134T1 (en)
AU (3) AUPR064800A0 (en)
CA (2) CA2424590C (en)
DE (2) DE60116356T2 (en)
MY (1) MY129690A (en)
NZ (1) NZ525149A (en)
WO (1) WO2002030550A1 (en)

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