Simple synthesis of spent coffee ground-based microporous carbons using K2CO3 as an activation agent and their application to CO2 capture

Min-Jeong Kim,Seung Wan Choi,Hyunwook Kim,Sungyong Mun,Ki Bong Lee

Chemical Engineering Journal（2020）

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摘要

•Value-added porous carbons were produced from spent coffee grounds.•Facile and less hazardous activation using solid-state K2CO3 was applied.•Relation between physicochemical properties and CO2 adsorption was investigated.•Spent coffee ground-based porous carbons showed promising CO2 adsorption performance.

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关键词

Porous carbon,Carbon dioxide adsorption,K2CO3 activation,Spent coffee grounds,Upcycling technology

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