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Issue 6, 2012
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Efficient CO2 sorbents based on silica foam with ultra-large mesopores

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Abstract

A series of high-capacity, amine impregnated sorbents based on a cost-effective silica foam with ultra-large mesopores is reported. The sorbents exhibit fast CO2 capture kinetics, high adsorption capacity (of up to 5.8 mmol g−1 under 1 atm of dry CO2), as well as good stability over multiple adsorption–desorption cycles. A simple theoretical analysis is provided relating the support structure to sorbent performance.

Graphical abstract: Efficient CO2 sorbents based on silica foam with ultra-large mesopores

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Article information


Submitted
16 Feb 2012
Accepted
19 Mar 2012
First published
19 Apr 2012

Energy Environ. Sci., 2012,5, 7368-7375
Article type
Paper

Efficient CO2 sorbents based on silica foam with ultra-large mesopores

G. Qi, L. Fu, B. H. Choi and E. P. Giannelis, Energy Environ. Sci., 2012, 5, 7368
DOI: 10.1039/C2EE21394J

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