CARBON DIOXIDE ADSORBENT AND CARBON DIOXIDE PROCESSING SYSTEM

A carbon dioxide adsorbent including silica gel and an amine compound carried by the silica gel. The silica gel has a spherical shape, a particle size ranging from 1 mm to 5 mm inclusive, an average pore diameter ranging from 10 nm to 100 nm inclusive, a pore volume ranging from 0.1 cm3/g to 1.3 cm3...

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Main Authors OKUMURA, Takeshi, YOSHIZAWA, Katsuhiro, NOMURA, Yoshimichi, IWASAKI, Hidekazu, NISHIBE, Shohei, KAWANO, Akihito, NEGAMI, Masahiro
Format Patent
LanguageEnglish
Published 10.02.2022
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:A carbon dioxide adsorbent including silica gel and an amine compound carried by the silica gel. The silica gel has a spherical shape, a particle size ranging from 1 mm to 5 mm inclusive, an average pore diameter ranging from 10 nm to 100 nm inclusive, a pore volume ranging from 0.1 cm3/g to 1.3 cm3/g inclusive, and a waterproof property N that is defined by an expression (1) and that is not lower than 45%,N=(W/W0)×100  (1)whereN is the waterproof property in percentage (%) of the silica gel,W0 is a total number of particles of the silica gel immersed in water,W is a number of particles of the silica gel not subjected to breakage out of W0.
Bibliography:Application Number: US202117510506