Title:
GAS PRODUCTION DEVICE AND GAS PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2022/149536
Kind Code:
A1
Abstract:
This gas production device 1 comprises: a connection unit 2 that supplies exhaust gas containing CO2; a reducing gas supply unit 3 that supplies a H2-containing reducing gas for reducing a reducing agent 4R, which contains a metal oxide producing CO by the reduction of CO2 and which is made to be in an oxidation state due to contact with CO2; and a reaction unit 4 that includes a plurality of reactors 4a to 4d connected to the connection unit 2 and the reducing gas supply unit 3, and the reducing agent 4R housed in each of the reactors 4a to 4d, and can switch between reducing gas and exhaust gas supplied to each of the reactors 4a to 4d, wherein the plurality of reactors 4a to 4d each include a first reactor and a second reactor to which reducing gas is supplied when exhaust gas is supplied to the first reactor, and the number of at least one among the first reactor and the second reactor is at least 2.
Inventors:
TONO TSUYOSHI (JP)
NAKAMA YUKI (JP)
NAKAMURA MASAKI (JP)
NAKAMA YUKI (JP)
NAKAMURA MASAKI (JP)
Application Number:
PCT/JP2021/048697
Publication Date:
July 14, 2022
Filing Date:
December 27, 2021
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD (JP)
International Classes:
C01B32/40; B01D53/62; B01D53/82; C01B32/50; F27D17/00
Domestic Patent References:
| WO2012057162A1 | 2012-05-03 | |||
| WO2019163968A1 | 2019-08-29 | |||
| WO2019163968A1 | 2019-08-29 |
Foreign References:
| KR20200055939A | 2020-05-22 | |||
| JP2015016467A | 2015-01-29 | |||
| JP6843490B1 | 2021-03-17 |
Attorney, Agent or Firm:
KOMAI Shinji (JP)
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