Title:
GAS SEPARATION SYSTEM AND METHOD FOR SEPARATING MIXED GAS
Document Type and Number:
WIPO Patent Application WO/2022/030267
Kind Code:
A1
Abstract:
The present invention provides a gas separation system suitable for reducing the energy required for the separation of a mixed gas. A gas separation system 100 according to the present invention is provided with a first separation membrane unit 10 that separates a mixed gas 70 containing carbon dioxide and nitrogen into a first permeated gas 80 and a first non-permeated gas 81; a second separation membrane unit 20 that separates the first permeated gas 80 into a second permeated gas 90 and a second non-permeated gas 91; a first pressure reduction device 50 that reduces the pressure of the permeation-side space of the first separation membrane unit 10; and a second pressure reduction device 52 that reduces the pressure of the permeation-side space of the second separation membrane unit 20.
Inventors:
IHARA TERUKAZU (JP)
NISHIYAMA SHINYA (JP)
TANI KENSUKE (JP)
FUKUMURA TAKUYA (JP)
KATAGIRI MAKOTO (JP)
NISHIYAMA SHINYA (JP)
TANI KENSUKE (JP)
FUKUMURA TAKUYA (JP)
KATAGIRI MAKOTO (JP)
Application Number:
PCT/JP2021/027422
Publication Date:
February 10, 2022
Filing Date:
July 21, 2021
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
B01D53/22; B01D69/00; B01D71/52; B01D71/56
Foreign References:
| JP2020501884A | 2020-01-23 | |||
| JPH03267109A | 1991-11-28 | |||
| JPH03101807A | 1991-04-26 | |||
| JP2018511472A | 2018-04-26 | |||
| JP2013128868A | 2013-07-04 |
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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