Promotion of MgO sorbents with eutectic carbonate doping for high-temperature and pressure CO2 capture

Hua Pang, Feng Mao, Shishun Zhang, Peng Sun,Anwei Sun,Gang Xiao

Applied Surface Science（2023）

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摘要

•Cyclic tests of CO2 adsorption are performed at high temperature and pressure.•ETC is proposed as doing promoter with application under harsh sorption condition.•Excellent cyclic stability is achieved by MgO-ETC due to its porous structure.•LiNaK doping is found to lower the oxygen vacancy formation energy.•Deep K incorporation decreases oxygen ion migration energy from 3.68 to 2.04 eV.

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关键词

mgo sorbents,pressure co2 capture,eutectic carbonate,high-temperature

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