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Published on: September 29, 2023
Importance of Micropore-Mesopore Interfaces in Carbon Dioxide Capture by Carbon-Based Materials
Gema Durá1, Vitaliy L Budarin1, José A Castro-Osma2
1Green Chemistry Centre of Excellence, Department of Chemistry, The University of York, York, YO10 5DD, UK.
Abstract:
Mesoporous carbonaceous materials (Starbons®) derived from low-value/waste bio-resources separate CO2 from CO2 /N2 mixtures. Compared to Norit activated charcoal (AC), Starbons® have much lower microporosities (8-32 % versus 73 %) yet adsorb up to 65 % more CO2 . The presence of interconnected micropores and mesopores is responsible for the enhanced CO2 adsorption. The Starbons® also showed three-four times higher selectivity for CO2 adsorption rather than N2 adsorption compared to AC.
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