DEA-CO_2水溶液的表面张力研究  

Investigation of the Surface Tension for Diethanolamine-CO_2 Aqueous Solutions

作　　者：付东[1] 王兰芬[1] 吴湘铖[1] 

机构地区：[1]华北电力大学环境科学与工程学院,保定071003

出　　处：《化学学报》2012年第3期339-344,共6页Acta Chimica Sinica

基　　金：国家自然科学基金(No.21076070);中央高校基本业务费专项资金(Nos.09MG13;11ZG10)资助项目~~

摘　　要：用全自动表面张力仪测定了293.15～323.15 K温度范围内,具有不同CO2载荷的二乙醇胺(Diethanolamine,DEA)水溶液的表面张力,提出了适宜表达DEA-CO2水溶液表面张力的热力学模型,计算结果与实验值吻合良好.在实验测定和理论计算的基础上,阐明了温度、DEA浓度和CO2载荷对DEA-CO2水溶液表面张力的影响规律.In this work, the surface tensions of carbonated diethanolamine （DEA） aqueous solutions from 293.15 to 323.15 K were measured by using an automatic surface tension meter. A thermodynamic model applicable for the surface tensions of carbonated DEA aqueous solution was proposed and the calculated results agreed well with experiments. The influences of temperature, DEA concentration and CO2 loading were demonstrated on the basis of experiments and theoretical calculations.

关 键 词：二乙醇胺 水溶液 CO2载荷 表面张力 

分 类 号：O647.1[理学—物理化学]