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
Other languages
English (en)
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/xx

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
    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis 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
    • B01D61/027—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
    • 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
    • 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
    • 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
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (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 (ko)
KR (1) KR20020042666A (ko)
CN (1) CN1386070A (ko)
AU (1) AU2001270407A1 (ko)
BR (1) BR0106948A (ko)
HU (1) HUP0204066A2 (ko)
IL (1) IL148009A0 (ko)
WO (1) WO2002004100A1 (ko)

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 (de) * 2002-04-26 2003-11-05 VA TECH WABAG GmbH Verfahren und Vorrichtung zum Reinigen von Trinkwasser mit einer chlorbeständigen Nanofiltrationsmembran
CN1761515A (zh) * 2003-03-14 2006-04-19 齐侬环境有限公司 用于水的软化的带有内部分级的螺旋缠绕式组件的纳米过滤系统
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
CN106040002B (zh) 2007-05-29 2020-01-10 懿华水处理技术有限责任公司 使用脉冲气提泵的膜清洗
EP2563501B1 (en) 2010-04-30 2019-05-15 Evoqua Water Technologies LLC Fluid flow distribution device
CN103118766B (zh) 2010-09-24 2016-04-13 伊沃夸水处理技术有限责任公司 膜过滤系统的流体控制歧管
CA2823157C (en) * 2010-12-27 2017-09-19 Asahi Kasei Chemicals Corporation Adsorption/separation membrane module, method for producing adsorption/separation membrane module, and partition member
KR20140097140A (ko) 2011-09-30 2014-08-06 에보쿠아 워터 테크놀로지스 엘엘씨 아이솔레이션 밸브
US9533261B2 (en) 2012-06-28 2017-01-03 Evoqua Water Technologies Llc Potting method
GB2520871B (en) 2012-09-26 2020-08-19 Evoqua Water Tech Llc Membrane securement device
AU2013323934A1 (en) 2012-09-27 2015-02-26 Evoqua Water Technologies Llc Gas scouring apparatus for immersed membranes
WO2014176082A1 (en) * 2013-04-26 2014-10-30 Dow Global Technologies Llc Water treatment assembly including hyperfiltration module and pressurizable reservoir
CN105307757B (zh) 2013-06-12 2017-12-15 赢创纤维有限公司 膜筒系统
US10427102B2 (en) 2013-10-02 2019-10-01 Evoqua Water Technologies Llc Method and device for repairing a membrane filtration module
CN107847869B (zh) 2015-07-14 2021-09-10 罗门哈斯电子材料新加坡私人有限公司 用于过滤系统的通气装置
CN106219681A (zh) * 2016-09-29 2016-12-14 佛山市顺德区美的饮水机制造有限公司 反渗透膜元件、滤芯和反渗透净水器

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 (ja) * 1987-01-09 1988-07-15 Hitachi Ltd 中空糸膜フイルタの炭酸ガス洗浄法
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 (de) * 1996-06-15 2000-12-07 Letzner Hans Hermann Verfahren und Vorrichtung zur Aufbereitung von Kaltwasser

Also Published As

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