Experimental Study of the Solubility of CO2 in Novel Amine Based Deep Eutectic Solvents

被引：70

作者：

Adeyemi, Idowu ^{[1
]}

Abu-Zahra, Mohammad R. M. ^{[1
]}

Alnashef, Inas ^{[1
]}

机构：

[1] Masdar Inst Sci & Technol, Inst Ctr Energy iEnergy, POB 54224, Abu Dhabi, U Arab Emirates

来源：

8TH INTERNATIONAL CONFERENCE ON APPLIED ENERGY (ICAE2016) | 2017年 / 105卷

关键词：

Deep eutectic solvent; Amines; Solubility of CO2; Choline chloride; CHOLINE CHLORIDE; CARBON-DIOXIDE; NONAQUEOUS SOLUTIONS; MODERATE PRESSURES; ETHYLENE-GLYCOL; LACTIC-ACID; MIXTURE; ALKANOLAMINES; GLYCEROL; KINETICS;

D O I：

10.1016/j.egypro.2017.03.519

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In this study, we report new measurements of the solubility of carbon dioxide in three types of deep eutectic solvents (DESs), (Choline chloride + Monoethanolamine, ChCl-MEA), (Choline chloride + Diethanolamine, ChCl-DEA) and (Choline chloride + Methyldiethanolamine, ChCl-MDEA), which was determined at three different ChCl: amine molar ratios of 1:6, 1:8 and 1:10. The selected amines represent the primary, secondary and tertiary amines, respectively. The CO2 absorption was conducted with a solvent screening set-up (SSS) and the CO2 loading was measured with an ` Elementar' total organic carbon (TOC) analyzer. The solubility experiments were performed based on the conditions of the absorber in the post-combustion capture process (P-CO2 = 15kPa and T = 40 degrees C). Results revealed that amine-based DESs have absorption capacity that is much higher than both 30wt% aqueous amine solutions and conventional DESs. The solubility of CO2 was found to increase as the molar ratio of the amine in the DES increased. ChCl-MEA absorbed the highest quantity of CO2 while ChCl-MDEA absorbed the least.

引用

页码：1394 / 1400

页数：7

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