review · ACS Applied Materials & Interfaces
Herein, the potential use of amine-functionalized cellulose as a low-cost and sustainable sorbent for CO<sub>2</sub> capture is reviewed. This literature analysis specifically highlights various advanced preparation methods used to synthesize functionalized cellulose supports with an enhanced affinity for the sorption of CO<sub>2</sub> molecules. The mechanism of cellulose functionalization with different types of amines is explicitly detailed, considering amine impregnation and grafting to selectively chemisorb CO<sub>2</sub> gas with or without the presence of moisture and at different temperatures and pressures. The final section critically discusses the main limitations to scaling up amine-functionalized cellulose sorbents, particularly issues related to amine oxidation, stability, and degradation.
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DOI: 10.1021/acsami.4c20801
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