CO2在羟乙基乙二胺水溶液中溶解度的测定

Yuan-sheng XIAO,Wan-fu WANG,Jian CHEN,Hong-kun CHEN,Xian-qing YIN

Chemical Engineering(China)（2013）

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Abstract

在常压下,采用搅拌式反应釜装置对CO2在羟乙基乙二胺(AEEA)中溶解度进行了实验研究.实验测定了在不同吸收温度与一定CO2分压范围内,CO2在1.0,2.5,4.0 mol/L的AEEA水溶液中的溶解度,考察了温度、C02分压及溶质AEEA的质量分数等因素对溶解度的影响,并与常用的醇胺吸收剂乙醇胺(MEA)进行对比;结果表明:2.5 mol/L的AEEA水溶液在温度313.15 K,393.15 K下,吸收、解吸CO2效果最佳,对以AEEA为主体溶剂的新型CO2吸收溶剂研发具有重要参考价值.

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Key words

CO2 solvent,2-(2-aminoethylamino)ethanol,carbon capture,CO2 solubility

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