JPS6211881B2 - - Google Patents

Info

Publication number
JPS6211881B2
JPS6211881B2 JP54091498A JP9149879A JPS6211881B2 JP S6211881 B2 JPS6211881 B2 JP S6211881B2 JP 54091498 A JP54091498 A JP 54091498A JP 9149879 A JP9149879 A JP 9149879A JP S6211881 B2 JPS6211881 B2 JP S6211881B2
Authority
JP
Japan
Prior art keywords
membrane
water
composite membrane
barrier layer
support
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.)
Expired
Application number
JP54091498A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5615804A (en
Inventor
Tetsuo Watanabe
Noriho Harumya
Masaru Kurihara
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.)
Toray Industries Inc
Original Assignee
Toray Industries 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
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP9149879A priority Critical patent/JPS5615804A/ja
Priority to AT80901335T priority patent/ATE15607T1/de
Priority to EP80901335A priority patent/EP0044872B1/en
Priority to DE8080901335T priority patent/DE3071096D1/de
Priority to PCT/JP1980/000165 priority patent/WO1981000217A1/ja
Publication of JPS5615804A publication Critical patent/JPS5615804A/ja
Publication of JPS6211881B2 publication Critical patent/JPS6211881B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/58Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025Reverse osmosis; Hyperfiltration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • B01D69/1216Three or more layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP9149879A 1979-07-20 1979-07-20 Semipermeable composite membrane having stable selective separation capacity Granted JPS5615804A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP9149879A JPS5615804A (en) 1979-07-20 1979-07-20 Semipermeable composite membrane having stable selective separation capacity
AT80901335T ATE15607T1 (de) 1979-07-20 1980-07-21 Verfahren zum selektiven abtrennen wasserloeslicher, wertvoller materialien aus waessrigen loesungen.
EP80901335A EP0044872B1 (en) 1979-07-20 1980-07-21 Process for selectively separating water-soluble valuable materials from an aqueous solution containing same
DE8080901335T DE3071096D1 (en) 1979-07-20 1980-07-21 Process for selectively separating water-soluble valuable materials from an aqueous solution containing same
PCT/JP1980/000165 WO1981000217A1 (en) 1979-07-20 1980-07-21 Process for selectively separating water-soluble valuable materials from an aqueous solution containing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9149879A JPS5615804A (en) 1979-07-20 1979-07-20 Semipermeable composite membrane having stable selective separation capacity

Publications (2)

Publication Number Publication Date
JPS5615804A JPS5615804A (en) 1981-02-16
JPS6211881B2 true JPS6211881B2 (en, 2012) 1987-03-16

Family

ID=14028069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9149879A Granted JPS5615804A (en) 1979-07-20 1979-07-20 Semipermeable composite membrane having stable selective separation capacity

Country Status (1)

Country Link
JP (1) JPS5615804A (en, 2012)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5814908A (ja) * 1981-07-15 1983-01-28 Nitto Electric Ind Co Ltd 複合半透膜の製造方法
JPS5824303A (ja) * 1981-08-03 1983-02-14 Teijin Ltd 耐酸化性複合半透膜
JPS5892402A (ja) * 1981-11-27 1983-06-01 Teijin Ltd 有機物選択透過性複合膜による分離方法
JPS602946A (ja) * 1983-06-20 1985-01-09 Fujitsu Ltd ポジ型レジスト材料
JPS61186329A (ja) * 1985-02-15 1986-08-20 Agency Of Ind Science & Technol 有機酸水溶液の分離方法
JP5287353B2 (ja) * 2009-03-02 2013-09-11 東レ株式会社 複合半透膜

Also Published As

Publication number Publication date
JPS5615804A (en) 1981-02-16

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