JPS53123387A - Reverse osmosis membrane - Google Patents

Reverse osmosis membrane

Info

Publication number
JPS53123387A
JPS53123387A JP3881277A JP3881277A JPS53123387A JP S53123387 A JPS53123387 A JP S53123387A JP 3881277 A JP3881277 A JP 3881277A JP 3881277 A JP3881277 A JP 3881277A JP S53123387 A JPS53123387 A JP S53123387A
Authority
JP
Japan
Prior art keywords
reverse osmosis
osmosis membrane
membrane
detracting
concave
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.)
Granted
Application number
JP3881277A
Other languages
Japanese (ja)
Other versions
JPS6258761B2 (en
Inventor
Motoi Kitano
Kunyu Sumita
Yukio Sakamoto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP3881277A priority Critical patent/JPS53123387A/en
Priority to US05/861,191 priority patent/US4214994A/en
Priority to GB52977/77A priority patent/GB1595982A/en
Publication of JPS53123387A publication Critical patent/JPS53123387A/en
Publication of JPS6258761B2 publication Critical patent/JPS6258761B2/ja
Granted legal-status Critical Current

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
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • B01D69/1071—Woven, non-woven or net mesh

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

PURPOSE:To provide a reverse osmosis membrane which shows high water permeability without detracting salt-refusal ratio by incorporating porous sheet-shaped material completely in the membrane, and by bending the membrane to form a concave at skin layer side.
JP3881277A 1976-12-20 1977-04-04 Reverse osmosis membrane Granted JPS53123387A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP3881277A JPS53123387A (en) 1977-04-04 1977-04-04 Reverse osmosis membrane
US05/861,191 US4214994A (en) 1976-12-20 1977-12-14 Reverse osmosis membrane
GB52977/77A GB1595982A (en) 1976-12-20 1977-12-20 Semipermeable membrane and method of making the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3881277A JPS53123387A (en) 1977-04-04 1977-04-04 Reverse osmosis membrane

Publications (2)

Publication Number Publication Date
JPS53123387A true JPS53123387A (en) 1978-10-27
JPS6258761B2 JPS6258761B2 (en) 1987-12-08

Family

ID=12535681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3881277A Granted JPS53123387A (en) 1976-12-20 1977-04-04 Reverse osmosis membrane

Country Status (1)

Country Link
JP (1) JPS53123387A (en)

Also Published As

Publication number Publication date
JPS6258761B2 (en) 1987-12-08

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