何茂刚1 白里航1 刘思琦1 刘向阳1 贺永东2

(1.西安交通大学热流科学与工程教育部重点实验室, 陕西西安 710049)
(2.新疆大学科学与技术学院, 新疆乌鲁木齐 830046)

【摘要】基于等体积饱和法搭建了气体在液体中溶解度与体积传质系数的实验测量系统,该实验系统温度、压力、溶解度、体积传质系数的扩展不确定度分别为0.02 K、0.01%、2%、4%。利用该实验系统测量了温度为323~343K、压力为0.9~5.0 MPa范围内CO2在正戊醇中的溶解度和体积传质系数。CO2在正戊醇中的摩尔分数随着压力的升高而升高,在温度为323 K时,压力从2.5 MPa升高到3.2 MPa,溶解度升高26%。CO2在正戊醇中的摩尔分数随着温度的升高而减小,在压力为0.9 MPa时,温度从323 K升高为343 K,溶解度降低26%。升高温度和压力都有利于提高体积传质系数,当温度和初始压力分别由323 K、1.1 MPa升高至343 K、5.0 MPa时,CO2在正戊醇中的体积传质系数由0.0089 s-1升高至0.0175 s-1

【关键词】 等体积饱和法; 吸收; 传质; 二氧化碳; 正戊醇;


【基金资助】 国家杰出青年科学基金项目(51525604) supported by the National Science Fund for Distinguished Young Scholars of China(51525604)

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This Article


CN: 11-1946/TQ

Vol 68, No. 05, Pages 1780-1785

May 2017


Article Outline


  • 引言
  • 1 实验原理
  • 2 实验结果与讨论
  • 3 结论
  • 符号说明
  • 上角标
  • 下角标
  • 参考文献