DK0787525T3 - Højpermeabel sammensat membran til omvendt osmose - Google Patents

Højpermeabel sammensat membran til omvendt osmose

Info

Publication number
DK0787525T3
DK0787525T3 DK97100984T DK97100984T DK0787525T3 DK 0787525 T3 DK0787525 T3 DK 0787525T3 DK 97100984 T DK97100984 T DK 97100984T DK 97100984 T DK97100984 T DK 97100984T DK 0787525 T3 DK0787525 T3 DK 0787525T3
Authority
DK
Denmark
Prior art keywords
reverse osmosis
composite membrane
osmosis composite
high permeable
permeable reverse
Prior art date
Application number
DK97100984T
Other languages
Danish (da)
English (en)
Inventor
Masahiko Hirose
Tomomi Ohara
Masaaki Ando
Original Assignee
Nitto Denko Corp
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 Nitto Denko Corp filed Critical Nitto Denko Corp
Application granted granted Critical
Publication of DK0787525T3 publication Critical patent/DK0787525T3/da

Links

Classifications

    • 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
    • B01D67/0093—Chemical modification
    • 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
    • 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)
DK97100984T 1996-01-24 1997-01-23 Højpermeabel sammensat membran til omvendt osmose DK0787525T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1013896 1996-01-24
JP1870496 1996-02-05

Publications (1)

Publication Number Publication Date
DK0787525T3 true DK0787525T3 (da) 2003-03-10

Family

ID=26345346

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97100984T DK0787525T3 (da) 1996-01-24 1997-01-23 Højpermeabel sammensat membran til omvendt osmose

Country Status (5)

Country Link
US (1) US6171497B1 (de)
EP (1) EP0787525B1 (de)
CN (1) CN1103625C (de)
DE (1) DE69717322T2 (de)
DK (1) DK0787525T3 (de)

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CN102941019B (zh) * 2012-12-04 2015-04-22 贵阳时代沃顿科技有限公司 一种提高反渗透膜元件抗污染性能的方法
US10040704B2 (en) 2014-10-29 2018-08-07 Dow Global Technologies Llc Water treatment assembly including hyperfiltration module and cation exchange resin
CN104437110B (zh) 2014-12-15 2016-09-28 湖南澳维环保科技有限公司 一种大通量聚酰胺复合膜
US9695065B2 (en) * 2015-06-03 2017-07-04 Lg Nanoh2O, Inc. Combination of chemical additives for enhancement of water flux of a membrane
US9861940B2 (en) 2015-08-31 2018-01-09 Lg Baboh2O, Inc. Additives for salt rejection enhancement of a membrane
JP6197969B1 (ja) * 2015-12-25 2017-09-20 東レ株式会社 複合半透膜
US9737859B2 (en) 2016-01-11 2017-08-22 Lg Nanoh2O, Inc. Process for improved water flux through a TFC membrane
US10155203B2 (en) * 2016-03-03 2018-12-18 Lg Nanoh2O, Inc. Methods of enhancing water flux of a TFC membrane using oxidizing and reducing agents
JP6774841B2 (ja) 2016-10-28 2020-10-28 日東電工株式会社 複合半透膜、及びスパイラル型分離膜エレメント
JP6807219B2 (ja) * 2016-11-18 2021-01-06 オルガノ株式会社 逆浸透膜処理システムおよび逆浸透膜処理方法
CN107126850A (zh) * 2017-05-23 2017-09-05 中国石油大学(华东) 一种聚磺酰胺纳滤或反渗透复合膜及其制备方法
US11534719B1 (en) * 2021-07-02 2022-12-27 Gradiant Corporation Membranes with controlled porosity for serial filtration

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Also Published As

Publication number Publication date
EP0787525A1 (de) 1997-08-06
CN1163793A (zh) 1997-11-05
DE69717322D1 (de) 2003-01-09
US6171497B1 (en) 2001-01-09
DE69717322T2 (de) 2003-09-04
EP0787525B1 (de) 2002-11-27
CN1103625C (zh) 2003-03-26

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