JPS57159501A - Separation of mixed liquid - Google Patents

Separation of mixed liquid

Info

Publication number
JPS57159501A
JPS57159501A JP4359081A JP4359081A JPS57159501A JP S57159501 A JPS57159501 A JP S57159501A JP 4359081 A JP4359081 A JP 4359081A JP 4359081 A JP4359081 A JP 4359081A JP S57159501 A JPS57159501 A JP S57159501A
Authority
JP
Japan
Prior art keywords
separation
mixed liquid
salt
membrane
components
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.)
Pending
Application number
JP4359081A
Other languages
Japanese (ja)
Inventor
Akira Mochizuki
Yoshio Sato
Takashi Ogawara
Yoshiki Tanaka
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.)
Kuraray Co Ltd
Original Assignee
Kuraray 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 Kuraray Co Ltd filed Critical Kuraray Co Ltd
Priority to JP4359081A priority Critical patent/JPS57159501A/en
Publication of JPS57159501A publication Critical patent/JPS57159501A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve separation efficiency and to increase permeating amount of the component A of the mixed liquid consisting of two components A, B, in a membrane separation method by adding a salt to said mixed liquid, by selecting one easily soluble in the component B as the salt to be added.
CONSTITUTION: The salt meant in this invention is selected from an inorg. salt, an org. salt or a high molecular compound soluble in a liquid mixture and used in a concn. of a range of about 0.1W10wt%. As a separation membrane separating the salt, a membrane having a ≥1 coefficient of separation αA/B is used. Said separation membrane 1 can be appropriately selected according to components of a mixed liquid and a permeate, and the mixed liquid consists of two kinds or more of substances with different solubility parameters such as an azeotropic mixture or a mixture comprising components having contiguous boiling points. When separation can not be carried out sufficiently by one operation, plural times of operations are repeated. A separation apparatus is divided into a mixed liquid chamber 2 and an exhaust gas chamber 3 by the separation membrane 1 and the mixed liquid to be separated is introduced from an inlet port 5 and taken out from an outlet 4 and the exhaust gas chamber 3 is evacuated or other fluid is recirculated therethrough.
COPYRIGHT: (C)1982,JPO&Japio
JP4359081A 1981-03-24 1981-03-24 Separation of mixed liquid Pending JPS57159501A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4359081A JPS57159501A (en) 1981-03-24 1981-03-24 Separation of mixed liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4359081A JPS57159501A (en) 1981-03-24 1981-03-24 Separation of mixed liquid

Publications (1)

Publication Number Publication Date
JPS57159501A true JPS57159501A (en) 1982-10-01

Family

ID=12668000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4359081A Pending JPS57159501A (en) 1981-03-24 1981-03-24 Separation of mixed liquid

Country Status (1)

Country Link
JP (1) JPS57159501A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60209291A (en) * 1984-04-03 1985-10-21 Agency Of Ind Science & Technol Separation of water-soluble organic compound
JPS61404A (en) * 1984-06-14 1986-01-06 Agency Of Ind Science & Technol Separation of water-organic liquid mixture

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60209291A (en) * 1984-04-03 1985-10-21 Agency Of Ind Science & Technol Separation of water-soluble organic compound
JPH0453571B2 (en) * 1984-04-03 1992-08-27 Kogyo Gijutsuin
JPS61404A (en) * 1984-06-14 1986-01-06 Agency Of Ind Science & Technol Separation of water-organic liquid mixture
JPH052363B2 (en) * 1984-06-14 1993-01-12 Kogyo Gijutsuin

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