METHOD FOR ADSORBING/DESORBING CARBON DIOXIDE, AND MATERIAL FOR ADSORBING/DESORBING CARBON DIOXIDE

WIPO Patent Application WO/2024/070880

A1

The present invention provides: a material for adsorbing/desorbing carbon dioxide, the material being capable of adsorbing and desorbing carbon dioxide using less energy than in the prior art; and a method for adsorbing/desorbing carbon dioxide using the aforementioned material. The present invention relates to a method for adsorbing/desorbing carbon dioxide to/from a material for adsorbing/desorbing carbon dioxide, the material including a hydrotalcite compound as a main component, wherein the method is characterized by including an adsorption step for introducing a carbon-dioxide-containing gas to an adsorbent material at 20-350°C to cause the adsorbent material to adsorb the carbon dioxide, and a desorption step for heating the adsorbent material that has been caused to adsorb the carbon dioxide through the adsorption step to 80-350°C to cause the carbon dioxide to be desorbed from the hydrotalcite compound.

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SUZUKI MASAHIRO (JP)
SHIMIZU HIROMITSU (JP)
SHIKIDA TAKASHI (JP)
YOSHIOKA TOSHIAKI (JP)
KAMEDA TOMOHITO (JP)

PCT/JP2023/034235

April 04, 2024

September 21, 2023

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SAKAI CHEMICAL INDUSTRY CO (JP)
UNIV TOHOKU (JP)

B01D53/02; B01D53/04; B01J20/12; B01J20/28; B01J20/34; C01F7/785

JP2022041132A	2022-03-11
JP2020138169A	2020-09-03
JP2013158770A	2013-08-19

WISEPLUS IP FIRM (JP)

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