Title:
COMPOSITE SEPARATION MEMBRANE FOR GAS SEPARATION, COMPOSITE SEPARATION MEMBRANE ELEMENT FOR GAS SEPARATION, AND GAS PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2022/030572
Kind Code:
A1
Abstract:
This composite separation membrane for gas separation comprises a support membrane having at least a porous support layer, and a crosslinked polyamide separation function layer (hereinafter referred to as a separation function layer) provided on the porous support layer, and is characterized in that the composite separation membrane contains a substance having hydrogen storage ability, and the average particle size of the substance having hydrogen storage ability is 1-80 nm. According to the present invention, selectivity in separation of light gases such as hydrogen and helium from other types of gases such as carbon dioxide, oxygen, nitrogen, and methane is improved.
Inventors:
TOKUYAMA TAKAHIRO (JP)
YAMADA HIROYUKI (JP)
HASEGAWA YOKO (JP)
YAMADA HIROYUKI (JP)
HASEGAWA YOKO (JP)
Application Number:
PCT/JP2021/029070
Publication Date:
February 10, 2022
Filing Date:
August 05, 2021
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B01D71/56; B01D53/22; B01D69/10; B01D69/12; C01B3/00; C01B3/56; C01B23/00
Foreign References:
| US20180147513A1 | 2018-05-31 | |||
| US20170368797A1 | 2017-12-28 | |||
| JPS61187917A | 1986-08-21 | |||
| JP2019537506A | 2019-12-26 | |||
| US20070137477A1 | 2007-06-21 | |||
| JP2011516264A | 2011-05-26 |
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