SO2 absorption/desorption performance of renewable phenol-based deep eutectic solvents

被引：38
作者：
Liu, Xiaobang [1 ]
Gao, Bao [1 ]
Deng, Dongshun [1 ]
机构：
[1] Zhejiang Univ Technol, Coll Chem Engn, Zhejiang Prov Key Lab Biofuel, Hangzhou, Zhejiang, Peoples R China
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2018年 / 53卷 / 14期
关键词：
Deep eutectic solvent; SO2; absorption; phenol; FUNCTIONALIZED IONIC LIQUIDS; TEMPERATURE MIXTURES LTTMS; CARBON-DIOXIDE; FLUE-GAS; EFFICIENT ABSORPTION; CHEMICAL ABSORPTION; REVERSIBLE CAPTURE; HIGHLY EFFICIENT; NEW-GENERATION; CO2; CAPTURE;
D O I：
10.1080/01496395.2018.1446026
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Six renewable DESs prepared from choline chloride (CC) and phenols (guaiacol, GC; cardanol, CL) with molar ratios of phenols to CC of 3:1, 4:1 and 5:1 were investigated to absorb SO2 at 293.15-323.15K and 0-1.0 bar. Results showed that DESs demonstrated satisfactory SO2 absorption performance, and GC-CC (3:1) exhibited the maximum absorption capacity of 0.528g SO2 per g DES. The SO2 enriched DESs could be easily regenerated and recycled five times. Moreover, the DESs exhibited high selectivity of SO2/CO2. Present DESs seem to be promising absorbents for SO2 due to good performance.
引用
收藏
页码：2150 / 2158
页数：9
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