HYDROGEN RECYCLE SYSTEM AND HYDROGEN RECYCLE METHOD

WIPO Patent Application WO/2019/235169

A1

Provided are a hydrogen recycle system and a hydrogen recycle method, whereby hydrogen can be purified to high purity at high yield from a gas, said gas being exhausted from a nitride compound production device, and recycled. The hydrogen recycle system 1 comprises an exhaust gas supply path 11 supplying a gas exhausted from a nitride compound production device 2, a hydrogen recycle means 10 and a hydrogen supply path 12. The hydrogen recycle means 10 of the hydrogen recycle system 1 is characterized by comprising: a plasma reaction vessel 31 that defines at least a part of a discharge space 32; a hydrogen separation membrane 34 that divides the discharge space 32 from a hydrogen flow path 33 communicated with the hydrogen supply path 12, defines at least a part of the discharge space 32 by one surface thereof and also defines at least a part of the hydrogen flow path 33 by the other surface thereof; an electrode 35 that is disposed outside the discharge space 32; and an adsorbent 36 that is filled in the discharge space 32 and adsorbs the supplied exhaust gas.

WO/1979/000696	SORPTION OF GASES
JP5470682	Hydrogen permeable membrane
JP4953279	Hydrogen permeation separation thin film that demonstrates excellent hydrogen permeation separation performance

KAMBARA SHINJI (JP)
HAYAKAWA YUKIO (JP)
MIURA TOMONORI (JP)
IKEDA TATSUYA (JP)

PCT/JP2019/019628

December 12, 2019

May 17, 2019

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UNIV GIFU (JP)
SAWAFUJI ELECTRIC CO LTD (JP)

C01B3/56; B01D53/04; B01D53/22; C01B3/00; C01B3/04; C23C16/44; H01M8/06

JP2014070012A	2014-04-21
JP2014214060A	2014-11-17
JP2007307514A	2007-11-29
JPH11285613A	1999-10-19

HIROE AND ASSOCIATES, PATENT PROFESSIONAL CORPORATION (JP)

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