文献类型：期刊文献

英文题名：Enhancing CO2 absorption with amino acid ionic liquid [N1111][Gly] aqueous solution by twin-liquid film flow: Experimental and numerical study

作者：He, Long[1];Xie, Hanguang[1];Zong, Yuan[1];Zhao, Ling[1];Dai, Gance[1]

机构：[1]East China Univ Sci & Technol, Sch Chem Engn, State Key Lab Chem Engn, Shanghai 200237, Peoples R China

年份：2022

卷号：256

外文期刊名：CHEMICAL ENGINEERING SCIENCE

收录：;EI(收录号：20221812069285);WOS:【SCI-EXPANDED(收录号:WOS:000798074100005)】；

语种：英文

外文关键词：[N-1111][Gly]; Twin-liquid film flow; Numerical simulation; Surface renewal frequency

摘要：Tetramethylamine glycine ([N-1111][Gly]) (ILs) is a potential substitute for the alcohol amine absorbent. However, its high viscosity restricts industrial CO2 absorption due to poor mass transfer performance. Surface renewal is the key to enhance interfacial mass transfer for highly viscous fluids. Considering the rheological response of the [N-1111][Gly] aqueous solution during CO2 capture, the twin-liquid film is suggested for the [N-1111][Gly] aqueous solution. The behavior of the twin-liquid film has been investigated by flow experiments and numerical simulation. Reduction of film thickness and improvement of surface velocity can be achieved by the interplay between the twin films, which enhances surface renewal frequency. The accommodation of the twin-liquid film to fluid viscosity can be satisfied by modulating window dimensions. The enhanced mass transfer performance of the twin-liquid film with [N-1111][Gly] aqueous solution, illustrated by enhanced surface renewal frequency, proves it a feasible way for industrial CO2 capture. (C)& nbsp;2022 Elsevier Ltd. All rights reserved.