Acid Gas Absorbent and Method of Manufacturing Same

This acidic gas absorption material that reversibly absorbs acidic gas contained in a gas to be treated comprises porous metal oxide particles and an acidic gas absorption agent supported in the porous particles. The porous particles have bimodal pores that include mesopores having pore sizes in the...

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Bibliographic Details
Main Authors NUMAGUCHI, Ryohei, SHIMOMURA, Ikuo, OKUMURA, Takeshi, YOSHIZAWA, Katsuhiro, NISHIBE, Shohei, NEGAMI, Masahiro
Format Patent
LanguageEnglish
Published 30.06.2022
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:This acidic gas absorption material that reversibly absorbs acidic gas contained in a gas to be treated comprises porous metal oxide particles and an acidic gas absorption agent supported in the porous particles. The porous particles have bimodal pores that include mesopores having pore sizes in the nanometer region with diameters 2-200 nm inclusive, and macropores having pore sizes in the micrometer region with diameters exceeding 0.2 μm. The macropores are empty and the mesopores are filled with the acidic gas absorption agent.
Bibliography:Application Number: AU20190375215