CARBON DIOXIDE SEPARATION MEMBRANE AND PRODUCTION METHOD THEREFOR

WIPO Patent Application WO/2018/211945

A1

This carbon dioxide separation membrane includes a porous layer having affinity with ionic liquids (C), said layer holding an ionic liquid-containing liquid (A) within voids therein, and a porous layer lacking affinity with ionic liquids (B). The porous layer having affinity with ionic liquids (C) may include an inorganic material (e.g., metal oxide particles having an average particle size of approximately 0.001 to 5 μｍ on a number basis). The average thickness of the porous layer having affinity with ionic liquids (C) may be approximately 0.01 to 10 μｍ. The porous layer having affinity with ionic liquids (C) may include 0.1 to 99 volume parts of the ionic liquid-containing liquid (A) with respect to 100 volume parts of voids therein. The carbon dioxide separation membrane may be used for fertilizing plants with carbon dioxide. The carbon dioxide separation membrane allows the size of a carbon dioxide concentrating device to be reduced and allows said device to be smoothly operated.

NAKAMURA TOSHIKAZU (JP)
IWAYA MASAO (JP)
SUZUKI TAKAMASA (JP)
GOTO TOMOHIRO (JP)

PCT/JP2018/017121

November 22, 2018

April 27, 2018

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DAICEL CORP (JP)

A01G7/02; B01D69/00; A01G9/18; B01D53/22; B01D61/38; B01D69/10; B01D69/12

WO2013118776A1

2013-08-15

US20140283839A1	2014-09-25
JP2010214324A	2010-09-30
JP2001333639A	2001-12-04
JP2014075994A	2014-05-01
JP2016010760A	2016-01-21
JP2015124264A	2015-07-06
JP2001120940A	2001-05-08
JPH069810A	1994-01-18
JP2014139149A	2014-07-31

See also references of EP 3626334A4

KUWATA Mitsuo et al. (JP)

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