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CO2 absorption by liquid-containing amines to form carbamate and bicarbonates is an effective method of CO2 mitigation from industrial exhausts, but this process is expensive and requires large quantities of amines. Here we modified chitosan, a naturally occurring biopolymer containing NH2 functions, to use it for CO2 absorption in aqueous media. Chitosan was dispersed in 40% aqueous NaOH solution...
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