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Erschienen in: Biomass Conversion and Biorefinery 1/2024

19.01.2022 | Original Article

Effect of operating parameters on CO2 capture from biogas with choline chloride—monoethanolamine deep eutectic solvent and its aqueous solution

verfasst von: Mi Yan, Qun Huan, Yan Zhang, Wei Fang, Feng Chen, Agamuthu Pariatamby, Ekkachai Kanchanatip, Haryo Wibowo

Erschienen in: Biomass Conversion and Biorefinery | Ausgabe 1/2024

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Abstract

CO2 capture from biogas is an effective route to facilitate the utilization of biogas by improving its CH4 purity. In this work, choline chloride-monoethanolamine deep eutectic solvent (ChCl-MEA DES), was employed as a promising absorbent for CO2 capture. The effects of absorption pressure and temperature, and water content in DES, on CO2 absorption capacity, rates, and selectivity were experimentally evaluated. The experimental data were analyzed by analysis of variance (ANOVA) and response surface method (RSM). The absorption behavior of CO2 by DES mainly conformed to the laws of physical absorption. The highest CO2 absorption capacity of ChCl-MEA DES was 0.608 mol-CO2/mol-DES, and the best CO2/CH4 selectivity factor was 25. Regression equations of CO2 absorption capacity and rate were established to evaluate the results under different operating conditions.

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Metadaten
Titel
Effect of operating parameters on CO2 capture from biogas with choline chloride—monoethanolamine deep eutectic solvent and its aqueous solution
verfasst von
Mi Yan
Qun Huan
Yan Zhang
Wei Fang
Feng Chen
Agamuthu Pariatamby
Ekkachai Kanchanatip
Haryo Wibowo
Publikationsdatum
19.01.2022
Verlag
Springer Berlin Heidelberg
Erschienen in
Biomass Conversion and Biorefinery / Ausgabe 1/2024
Print ISSN: 2190-6815
Elektronische ISSN: 2190-6823
DOI
https://doi.org/10.1007/s13399-021-02246-7

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