Solving two environmental issues simultaneously: Waste polyethylene terephthalate plastic bottle-derived microporous carbons for capturing CO2

Xiangzhou Yuan, Jong Gyu Lee, Heesun Yun,Shuai Deng,Yu Jin Kim,Ji Eun Lee,Sang Kyu Kwak,Ki Bong Lee

Chemical Engineering Journal（2020）

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摘要

•Microporous carbons were derived from PET plastic bottles by chemical activation.•PET-KOH-973 showed the highest CO2 uptake of 4.42 mol kg−1 at 298 K and 101 kPa.•Langmuir isotherm and pseudo second-order kinetic models described data well.•Adsorbents from PET wastes are promising for capturing CO2 and solving plastic waste disposal.

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关键词

CO2 adsorption,Waste PET plastic bottle,Microporous carbon,Chemical activation,Theoretical calculation

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