Title:
MEMBRANE SEPARATION SYSTEM AND OPERATION METHOD FOR MEMBRANE SEPARATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/181894
Kind Code:
A1
Abstract:
The present invention provides a novel membrane separation system suitable for efficiently separating a volatile organic compound from an aqueous solution containing said organic compound. A membrane separation system 100 according to the present invention comprises: a first membrane separation device 10 having a first separation film 11; a separation tank 25 for phase separation of an aqueous solution S2 into an aqueous phase and an organic phase; a second membrane separation device 30 having a second separation film 31; a first permeation fluid supply path 51; and a second permeation fluid supply path 55. The second permeation fluid supply path 55 is connected to the second membrane separation device 30 and at least one member selected from the group consisting of the first permeation fluid supply path 51 and the separation tank 25.
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Inventors:
KIMURA NAOMICHI (JP)
OGAWA TOMOYA (JP)
HIRAI TOMOYA (JP)
OGAWA TOMOYA (JP)
HIRAI TOMOYA (JP)
Application Number:
PCT/JP2023/008430
Publication Date:
September 28, 2023
Filing Date:
March 06, 2023
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
C02F1/44; B01D3/00; B01D17/00; B01D61/36; B01D61/58; C12P7/16
Domestic Patent References:
| WO2019107498A1 | 2019-06-06 |
Foreign References:
| JP2011136979A | 2011-07-14 | |||
| JPS63178804A | 1988-07-22 | |||
| JPH08252434A | 1996-10-01 | |||
| US20090236285A1 | 2009-09-24 | |||
| JP2011514140A | 2011-05-06 |
Attorney, Agent or Firm:
KAMADA Koichi et al. (JP)
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