Acta Chimica Sinica ›› 2012, Vol. 70 ›› Issue (03): 339-344.DOI: 10.6023/A1105243 Previous Articles     Next Articles

Full Papers

DEA-CO2 水溶液的表面张力研究

付东, 王兰芬, 吴湘铖   

  1. 华北电力大学环境科学与工程学院 保定 071003
  • 投稿日期:2011-05-24 修回日期:2011-08-20 发布日期:2011-09-20
  • 通讯作者: 付东
  • 基金资助:

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

Investigation of the Surface Tension for Diethanolamine-CO2 Aqueous Solutions

Fu Dong, Wang Lanfen, Wu Xiangcheng   

  1. School of Environmental Science and Engineering, North China Electric Power University, Baoding 071003
  • Received:2011-05-24 Revised:2011-08-20 Published:2011-09-20
  • Supported by:

    Project supported by the National Natural Science Foundation of China (No. 21076070) and the Fundamental Research Funds for the Central Universities of China (Nos. 09MG13, 11ZG10).

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.

Key words: DEA, aqueous solution, CO2 loading, surface tension