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Importance of Micropore–Mesopore Interfaces in Carbon Dioxide Capture by Carbon‐Based Materials
Author(s) -
Durá Gema,
Budarin Vitaliy L.,
CastroOsma José A.,
Shuttleworth Peter S.,
Quek Sophie C. Z.,
Clark James H.,
North Michael
Publication year - 2016
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201602226
Subject(s) - adsorption , mesoporous material , microporous material , carbon dioxide , chemical engineering , carbon fibers , selectivity , materials science , activated carbon , chemistry , inorganic chemistry , organic chemistry , catalysis , composite material , composite number , engineering
Mesoporous carbonaceous materials (Starbons®) derived from low‐value/waste bio‐resources separate CO 2 from CO 2 /N 2 mixtures. Compared to Norit activated charcoal (AC), Starbons® have much lower microporosities (8–32 % versus 73 %) yet adsorb up to 65 % more CO 2 . The presence of interconnected micropores and mesopores is responsible for the enhanced CO 2 adsorption. The Starbons® also showed three–four times higher selectivity for CO 2 adsorption rather than N 2 adsorption compared to AC.