IL148009A0 - Multi-stage filtration and softening module and reduced scaling operation - Google Patents

Multi-stage filtration and softening module and reduced scaling operation

Info

Publication number
IL148009A0
IL148009A0 IL14800901A IL14800901A IL148009A0 IL 148009 A0 IL148009 A0 IL 148009A0 IL 14800901 A IL14800901 A IL 14800901A IL 14800901 A IL14800901 A IL 14800901A IL 148009 A0 IL148009 A0 IL 148009A0
Authority
IL
Israel
Prior art keywords
stage filtration
scaling operation
softening module
reduced scaling
reduced
Prior art date
Application number
IL14800901A
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 CA002313740A external-priority patent/CA2313740A1/en
Application filed by Zenon Environmental Inc filed Critical Zenon Environmental Inc
Publication of IL148009A0 publication Critical patent/IL148009A0/en

Links

Classifications

    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/027—Nanofiltration
    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/027—Nanofiltration
    • B01D61/0271—Nanofiltration comprising multiple nanofiltration steps
    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/04—Feed pretreatment
    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/08—Apparatus therefor
    • B01D61/081—Apparatus therefor used at home, e.g. kitchen
    • 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
    • B01D61/58—Multistep processes
    • 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
    • B01D63/021—Manufacturing thereof
    • B01D63/022—Encapsulating hollow fibres
    • B01D63/0222—Encapsulating hollow fibres using centrifugal forces
    • 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
    • B01D63/021—Manufacturing thereof
    • B01D63/022—Encapsulating hollow fibres
    • B01D63/0224—Opening the fibre ends after encapsulation
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/21—Specific headers, end caps
    • 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
    • B01D2321/02—Forward flushing
    • 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
    • B01D2321/16—Use of chemical agents
    • B01D2321/162—Use of acids
    • 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
    • B01D2321/16—Use of chemical agents
    • B01D2321/168—Use of other chemical agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
IL14800901A 2000-07-07 2001-06-28 Multi-stage filtration and softening module and reduced scaling operation IL148009A0 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US21666800P 2000-07-07 2000-07-07
CA002313740A CA2313740A1 (en) 2000-07-07 2000-07-07 Multi-stage filtration and softening module and reduced scaling operation
PCT/CA2001/000971 WO2002004100A1 (en) 2000-07-07 2001-06-28 Multi-stage filtration and softening module and reduced scaling operation

Publications (1)

Publication Number Publication Date
IL148009A0 true IL148009A0 (en) 2002-09-12

Family

ID=25681940

Family Applications (1)

Application Number Title Priority Date Filing Date
IL14800901A IL148009A0 (en) 2000-07-07 2001-06-28 Multi-stage filtration and softening module and reduced scaling operation

Country Status (8)

Country Link
EP (1) EP1305106A1 (en)
KR (1) KR20020042666A (en)
CN (1) CN1386070A (en)
AU (1) AU2001270407A1 (en)
BR (1) BR0106948A (en)
HU (1) HUP0204066A2 (en)
IL (1) IL148009A0 (en)
WO (1) WO2002004100A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6589426B1 (en) 1999-09-29 2003-07-08 Zenon Environmental Inc. Ultrafiltration and microfiltration module and system
EP1359124A1 (en) * 2002-04-26 2003-11-05 VA TECH WABAG GmbH Method and device for the purification of potable water by means of a chlorine-resistant nanofiltration membrane
WO2004080577A2 (en) * 2003-03-14 2004-09-23 Zenon Environmental Inc. Nanofiltration system for water softening with internally staged spiral wound modules
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
NZ581008A (en) 2007-05-29 2012-11-30 Siemens Industry Inc Membrane cleaning with pulsed airlift pump
CN102869432B (en) 2010-04-30 2016-02-03 伊沃夸水处理技术有限责任公司 Fluid flow distribution device
AU2011305377B2 (en) 2010-09-24 2014-11-20 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
EP2659951A4 (en) * 2010-12-27 2017-04-26 Asahi Kasei Chemicals Corporation Adsorption/separation membrane module, method for producing adsorption/separation membrane module, and partition member
JP2014528354A (en) 2011-09-30 2014-10-27 エヴォクア ウォーター テクノロジーズ エルエルシーＥｖｏｑｕａ Ｗａｔｅｒ Ｔｅｃｈｎｏｌｏｇｉｅｓｌｌｃ Isolation valve
US9533261B2 (en) 2012-06-28 2017-01-03 Evoqua Water Technologies Llc Potting method
AU2013324056B2 (en) 2012-09-26 2017-11-16 Evoqua Water Technologies Llc Membrane securement device
AU2013323934A1 (en) 2012-09-27 2015-02-26 Evoqua Water Technologies Llc Gas scouring apparatus for immersed membranes
US9840426B2 (en) * 2013-04-26 2017-12-12 Dow Global Technologies Llc Water treatment assembly including hyperfiltration module and pressurizable reservoir
SG11201510090PA (en) 2013-06-12 2016-01-28 Evonik Fibres Gmbh Membrane cartridge system
US10427102B2 (en) 2013-10-02 2019-10-01 Evoqua Water Technologies Llc Method and device for repairing a membrane filtration module
AU2016294153B2 (en) 2015-07-14 2022-01-20 Evoqua Water Technologies Llc Aeration device for filtration system
CN106219681A (en) * 2016-09-29 2016-12-14 佛山市顺德区美的饮水机制造有限公司 Reverse-osmosis membrane element, filter element and anti-penetration water purifier

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53119786A (en) * 1977-03-29 1978-10-19 Sekisui Chem Co Ltd Reverse osmotic method
JPS57190605A (en) * 1981-05-18 1982-11-24 Hitachi Plant Eng & Constr Co Ltd Method for washing membrane of separation apparatus
JPS63171605A (en) * 1987-01-09 1988-07-15 Hitachi Ltd Carbon dioxide cleaning method for hollow yarn membrane filter
US5013437A (en) * 1989-10-30 1991-05-07 The Dow Chemical Company Hollow fiber membrane fluid separation device adapted for boreside feed which contains multiple concentric stages
US5176725A (en) * 1991-07-26 1993-01-05 Air Products And Chemicals, Inc. Multiple stage countercurrent hollow fiber membrane module
DE19623999C2 (en) * 1996-06-15 2000-12-07 Letzner Hans Hermann Method and device for treating cold water

Also Published As

Publication number Publication date
EP1305106A1 (en) 2003-05-02
KR20020042666A (en) 2002-06-05
HUP0204066A2 (en) 2003-03-28
AU2001270407A1 (en) 2002-01-21
CN1386070A (en) 2002-12-18
WO2002004100A1 (en) 2002-01-17
BR0106948A (en) 2002-05-14

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Legal Events

Date Code Title Description
MM9K Patent not in force due to non-payment of renewal fees