ATE409075T1 - Niederdruckumkehrosmose- und nanofiltrationsmembranen und verfahren für ihre herstellung - Google Patents

Niederdruckumkehrosmose- und nanofiltrationsmembranen und verfahren für ihre herstellung

Info

Publication number
ATE409075T1
ATE409075T1 AT01998391T AT01998391T ATE409075T1 AT E409075 T1 ATE409075 T1 AT E409075T1 AT 01998391 T AT01998391 T AT 01998391T AT 01998391 T AT01998391 T AT 01998391T AT E409075 T1 ATE409075 T1 AT E409075T1
Authority
AT
Austria
Prior art keywords
membranes
reverse osmosis
percent
low pressure
production
Prior art date
Application number
AT01998391T
Other languages
English (en)
Inventor
John Tomaschke
Original Assignee
Hydranautics
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 Hydranautics filed Critical Hydranautics
Application granted granted Critical
Publication of ATE409075T1 publication Critical patent/ATE409075T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • B01D69/1251—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/56—Polyamides, e.g. polyester-amides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/30—Cross-linking

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
AT01998391T 2000-11-28 2001-11-28 Niederdruckumkehrosmose- und nanofiltrationsmembranen und verfahren für ihre herstellung ATE409075T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/724,883 US7001518B1 (en) 2000-11-28 2000-11-28 Low pressure reverse osmosis and nanofiltration membranes and method for the production thereof

Publications (1)

Publication Number Publication Date
ATE409075T1 true ATE409075T1 (de) 2008-10-15

Family

ID=24912312

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01998391T ATE409075T1 (de) 2000-11-28 2001-11-28 Niederdruckumkehrosmose- und nanofiltrationsmembranen und verfahren für ihre herstellung

Country Status (8)

Country Link
US (1) US7001518B1 (de)
EP (1) EP1345673B1 (de)
KR (1) KR20030074630A (de)
AT (1) ATE409075T1 (de)
AU (1) AU2002219904A1 (de)
CA (1) CA2430036A1 (de)
DE (1) DE60134776D1 (de)
WO (1) WO2002043842A2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101460237B (zh) * 2006-05-12 2013-09-04 陶氏环球技术有限责任公司 改性膜
CN100453153C (zh) * 2006-08-17 2009-01-21 贵阳时代汇通膜科技有限公司 一种极低压复合反渗透膜的生产方法
CN101234295B (zh) * 2007-02-02 2010-10-27 天津威德泰科石化科技发展有限公司 降低纳滤膜对NaCl脱除率的处理方法
CA2856174A1 (en) * 2011-12-07 2013-06-13 Dupont Nutrition Biosciences Aps Nanofiltration process with pre-treatment to enhance solute flux
DK177696B1 (en) * 2013-02-25 2014-03-17 Aquaporin As Systems for water extraction
US10384167B2 (en) 2013-11-21 2019-08-20 Oasys Water LLC Systems and methods for improving performance of osmotically driven membrane systems
CN103599706B (zh) * 2013-12-03 2015-04-08 燕山大学 3-氨丙基三甲氧基硅烷-乙二胺四亚甲基膦酸/聚偏氟乙烯螯合膜的制备方法
US10155204B2 (en) 2013-12-26 2018-12-18 Lg Chem, Ltd. High-functional polyamide-based dry water treatment separator and method for manufacturing same
US9795928B2 (en) 2014-06-24 2017-10-24 Nano And Advanced Materials Institute Limited Stepwise interfacial polymerization technique with different reagent solution designs to prepare hollow fiber nanofiltration membrane composites
CN104190265A (zh) * 2014-08-31 2014-12-10 浙江大学 一种具有稳定分离层的低压高通量含氯聚合物纳滤膜及其制备方法
CA3086183A1 (en) 2017-12-21 2019-06-27 Nitto Denko Corporation Graphene oxide membrane protective coating
US12186714B2 (en) 2020-11-30 2025-01-07 Memstar Usa Inc. Reverse osmosis membrane and method of producing the same
CN114749034B (zh) * 2022-04-26 2023-08-18 新疆中泰创新技术研究院有限责任公司 一种耐酸性双层结构纳滤膜及其制备方法和应用
CN115624868B (zh) * 2022-12-22 2023-03-10 湖南沁森高科新材料有限公司 一种反渗透膜及其制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4259183A (en) 1978-11-07 1981-03-31 Midwest Research Institute Reverse osmosis membrane
US4277344A (en) 1979-02-22 1981-07-07 Filmtec Corporation Interfacially synthesized reverse osmosis membrane
US4520044A (en) 1984-07-30 1985-05-28 E. I. Du Pont De Nemours And Company Production of composite membranes
US4761234A (en) 1985-08-05 1988-08-02 Toray Industries, Inc. Interfacially synthesized reverse osmosis membrane
US4765897A (en) 1986-04-28 1988-08-23 The Dow Chemical Company Polyamide membranes useful for water softening
US4812270A (en) 1986-04-28 1989-03-14 Filmtec Corporation Novel water softening membranes
US4872984A (en) 1988-09-28 1989-10-10 Hydranautics Corporation Interfacially synthesized reverse osmosis membrane containing an amine salt and processes for preparing the same
US4983291A (en) * 1989-12-14 1991-01-08 Allied-Signal Inc. Dry high flux semipermeable membranes
US5254261A (en) 1991-08-12 1993-10-19 Hydranautics Interfacially synthesized reverse osmosis membranes and processes for preparing the same
JP3646362B2 (ja) * 1995-08-18 2005-05-11 東レ株式会社 半透膜およびその製造方法
US6063278A (en) * 1998-04-28 2000-05-16 Saehan Industries Inc. Composite polyamide reverse osmosis membrane and method of producing the same

Also Published As

Publication number Publication date
WO2002043842A2 (en) 2002-06-06
EP1345673B1 (de) 2008-09-24
DE60134776D1 (de) 2009-04-02
KR20030074630A (ko) 2003-09-19
AU2002219904A1 (en) 2002-06-11
EP1345673A2 (de) 2003-09-24
CA2430036A1 (en) 2002-06-06
WO2002043842A3 (en) 2002-08-01
US7001518B1 (en) 2006-02-21

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