Study on regeneration characteristics of choline chloride-monoethanolamine deep eutectic solvent after capturing CO2 from biogas
Separation and Purification Technology(2022)
摘要
•ChCl-MEA DES had high absorption selectivity of CO2/CH4, suitable for the purification of biogas.•ChCl-MEA DES had a good regenerability and could be repeatedly used for CO2 absorption.•The addition of HZSM-5 promoted the regeneration of ChCl-MEA DES for CO2 capture.
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关键词
Deep eutectic solvent,CO2 absorption,Biogas upgrade,Absorbent regeneration
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