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

Genggeng Qi, Liling Fu, Brian Hyun Choi, Emmanuel P. Giannelis

Research output: Contribution to journalArticlepeer-review

126 Scopus citations

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. © 2012 The Royal Society of Chemistry.
Original languageEnglish (US)
Pages (from-to)7368
JournalEnergy & Environmental Science
Volume5
Issue number6
DOIs
StatePublished - 2012
Externally publishedYes

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