JPS5376978A - Reverse osmotic membrane - Google Patents

Reverse osmotic membrane

Info

Publication number
JPS5376978A
JPS5376978A JP15383476A JP15383476A JPS5376978A JP S5376978 A JPS5376978 A JP S5376978A JP 15383476 A JP15383476 A JP 15383476A JP 15383476 A JP15383476 A JP 15383476A JP S5376978 A JPS5376978 A JP S5376978A
Authority
JP
Japan
Prior art keywords
reverse osmotic
osmotic membrane
membrane
reverse
temp
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
JP15383476A
Other languages
Japanese (ja)
Other versions
JPS5642963B2 (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 JP15383476A priority Critical patent/JPS5376978A/en
Priority to US05/861,191 priority patent/US4214994A/en
Priority to GB52977/77A priority patent/GB1595982A/en
Publication of JPS5376978A publication Critical patent/JPS5376978A/en
Publication of JPS5642963B2 publication Critical patent/JPS5642963B2/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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)

Abstract

PURPOSE:Reverse osmotic membrane having enough resistances to temp. and pressure, obtained by laminating multiple porous sheet having different pore areas in such a way to form the same face as a semipermeable membrane.
JP15383476A 1976-12-20 1976-12-20 Reverse osmotic membrane Granted JPS5376978A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP15383476A JPS5376978A (en) 1976-12-20 1976-12-20 Reverse osmotic 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
JP15383476A JPS5376978A (en) 1976-12-20 1976-12-20 Reverse osmotic membrane

Publications (2)

Publication Number Publication Date
JPS5376978A true JPS5376978A (en) 1978-07-07
JPS5642963B2 JPS5642963B2 (en) 1981-10-08

Family

ID=15571101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15383476A Granted JPS5376978A (en) 1976-12-20 1976-12-20 Reverse osmotic membrane

Country Status (1)

Country Link
JP (1) JPS5376978A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4981357A (en) * 1988-10-18 1991-01-01 Hitachi, Ltd. Spectrophotometer having functions of both a double-monochromater and a single-monochromater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4981357A (en) * 1988-10-18 1991-01-01 Hitachi, Ltd. Spectrophotometer having functions of both a double-monochromater and a single-monochromater

Also Published As

Publication number Publication date
JPS5642963B2 (en) 1981-10-08

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