GAS TREATMENT METHOD AND GAS TREATMENT DEVICE

WIPO Patent Application WO/2024/053196

A1

One embodiment of the present invention relates to a gas treatment method comprising: a step for causing a treatment liquid that phase-separates an acidic compound through absorption to absorb a gas being treated that contains the acidic compound; a step for separating the treatment liquid, which has absorbed the acidic compound and phase-separated the acidic component into a first phase portion having a relatively higher acidic-compound content and a second phase portion having a relatively lower acidic-compound content, into a first liquid that mainly contains the first phase portion and a second liquid that mainly contains the second phase portion; a step for implementing an oxygen removal treatment on the separated second liquid; and a step for heating the first liquid together with the second liquid, on which the oxygen removal treatment was implemented, thereby ejecting the acidic compound from the first liquid and the second liquid.

MAEDA NORIHIDE
KISHIMOTO AKIRA
YOSHIZAWA MAI
MACHIDA HIROSHI (JP)
YAMAGUCHI TSUYOSHI (JP)
NORINAGA KOYO (JP)

PCT/JP2023/021980

March 14, 2024

June 13, 2023

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KOBE STEEL LTD (JP)
NATIONAL UNIV CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM (JP)

B01D53/14; B01D19/00; B01D53/62; B01D53/78; B01D53/96

JP2018187553A	2018-11-29
JP2022060721A	2022-04-15
JP2007137725A	2007-06-07
JP2011115709A	2011-06-16
JP2020151662A	2020-09-24
JP2020195998A	2020-12-10
JP2012106180A	2012-06-07
US20120219482A1	2012-08-30
CN107149865A	2017-09-12

KOTANI, Masataka et al. (JP)

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