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2012 , Vol. 70 >Issue 03: 339 - 344

DOI: https://doi.org/10.6023/A1105243

研究论文

DEA-CO2 水溶液的表面张力研究

  • 付东 ,
  • 王兰芬 ,
  • 吴湘铖
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  • 华北电力大学环境科学与工程学院 保定 071003

收稿日期: 2011-05-24

  修回日期: 2011-08-20

  网络出版日期: 2011-09-20

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.

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Investigation of the Surface Tension for Diethanolamine-CO2 Aqueous Solutions

  • FU Dong ,
  • WANG Lan-Fen ,
  • WU Xiang-Cheng
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  • School of Environmental Science and Engineering, North China Electric Power University, Baoding 071003

Received date: 2011-05-24

  Revised date: 2011-08-20

  Online 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).

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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.

关键词： 二乙醇胺; 水溶液; CO2 载荷; 表面张力

本文引用格式

付东 , 王兰芬 , 吴湘铖 . DEA-CO2 水溶液的表面张力研究[J]. 化学学报, 2012 , 70(03) : 339 -344 . DOI: 10.6023/A1105243

Abstract

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

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