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Title:
GAS SEPARATION SYSTEM AND METHOD FOR SEPARATING MIXED GAS
Document Type and Number:
WIPO Patent Application WO/2023/026783
Kind Code:
A1
Abstract:
The present invention provides a gas separation system suitable for efficiently separating a mixed gas. The gas separation system 100 according to the present invention comprises a first separation membrane 11 that separates a mixed gas 70 into a first permeating gas 80 and a first non-permeating gas 81, and a second separation membrane 21 that separates the first non-permeating gas 81 into a second permeating gas 90 and a second non-permeating gas 91. The mixed gas 70 includes a gas A and a gas B different from the gas A. The first separation membrane 11 preferentially allows the gas A to pass therethrough. The second separation membrane 21 preferentially allows the gas B to pass therethrough. The membrane area of the first separation membrane 11 is smaller than the membrane area of the second separation membrane 21. In the gas separation system 100, the second permeating gas 90 and the second non-permeating gas 91 are separately collected.

Inventors:
TANI KENSUKE (JP)
IHARA TERUKAZU (JP)
Application Number:
PCT/JP2022/029554
Publication Date:
March 02, 2023
Filing Date:
August 01, 2022
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
International Classes:
B01D69/00; B01D53/22; B01D71/52; B01D71/56
Domestic Patent References:
WO2017086293A12017-05-26
Foreign References:
JP2018162184A2018-10-18
JP2013255898A2013-12-26
JP2008260739A2008-10-30
JP2020163375A2020-10-08
JP2019520198A2019-07-18
JP2009029675A2009-02-12
JP2018162184A2018-10-18
Other References:
E. KAMIO ET AL., ADV.MATER, vol. 29, 2017, pages 1704118
Attorney, Agent or Firm:
KAMADA Koichi et al. (JP)
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