Heat of absorption of CO2 in aqueous N,N-diethylethanolamine + N-methyl-1,3-propanediamine solutions at 313 K |
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作者姓名: | Katarzyna Sobala Hanna Kierzkowska-Pawlak |
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作者单位: | Lodz University of Technology, Faculty of Process and Environmental Engineering, Lodz 90-924, Poland |
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摘 要: | Differential heat of absorption of CO_2 in aqueous solutions of N,N-diethylethanolamine(DEEA) and activated DEEA solutions up to a total concentration of 2 mol·L~(-1) was measured as a function of CO_2 loading at 313.15 K using a reaction calorimeter. In order to analyze the performance of N-methyl-1,3-propanediamine(MAPA)as an activator, DEEA blended solutions containing 0.05, 0.1 and 0.2 mol·L~(-1) MAPA were studied. The heat of CO_2 absorption in single DEEA solutions was unaffected by changing the DEEA concentration in the range of(0.5–2) mol·L~(-1). On the other hand, increasing the concentration of MAPA in aqueous amine mixtures of(DEEA + MAPA) raised the heat of absorption.
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关 键 词: | CO2 capture Differential heat of absorption N N-diethylethanolamine N-methyl-1 3-propanediamine Amine blends |
收稿时间: | 2018-07-03 |
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