K2CO3-containing composite sorbents based on a ZrO2 aerogel for reversible CO2 capture from ambient air
作者： Janna V. Veselovskaya , Vladimir S. Derevschikov , Anton S. Shalygin , Dmitry A. Yatsenko
DOI: 10.1016/J.MICROMESO.2020.110624
关键词:
摘要: In this work, K 2 CO 3-containing composite materials were synthesized based on a mesoporous zirconia aerogel prepared by an epoxide-assisted sol-gel method using supercritical drying in ethanol. The porous ZrO 2 was impregnated with an aqueous solution of potassium carbonate to obtain composite materials with K 2 CO 3 weight content ranging from 9 to 29 wt%. All the composites were tested in the process of CO 2 absorption from the air with a relative humidity of 25% followed by thermal desorption at 200° C. The samples …
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