Physicochemical Properties and Spectral Studies for Binary Systems of 2-Ethoxyethanol (1) + Water (2) and + Dimethyl Sulfoxide (2)

  • Xianshu Qiao
  • Fang Han
  • Long Zhao
  • Huipeng Li
  • Jianbin ZhangEmail author


In the development of CO2 capture and utilization, the physical and transport properties of the binary systems are significant, because these can affect the gas absorption and desorption processes. Thus, we report the densities and viscosities of two binary systems: 2-ethoxyethanol (ECS) + water (H2O) and ECS + dimethyl sulfoxide (DMSO), with various compositions at temperatures from (298.15 to 318.15) K. On the basis of these data, excess molar volumes (\(V_{\text{m}}^{\text{E}}\)) and viscosity deviations (Δη) were calculated. The \(V_{\text{m}}^{\text{E}}\) values of the two binary mixtures are negative and decrease with increasing temperatures; Δη values are positive at all compositions and decrease with increasing temperatures. The \(V_{\text{m}}^{\text{E}}\) and Δη values were fitted with the Redlich–Kister equation. The physico-chemical properties of the two binary systems, including activation enthalpy and entropy, were calculated from the kinematic viscosity. In addition, various spectral results offer evidence for the formation of weak interactions between ECS and DMSO or H2O.


2-Ethoxyethanol Dimethyl sulfoxide Excess molar volume Viscosity deviations 



This work was supported by Key Laboratory of Coal-based CO2 Capture and Geological Storage (Jiangsu Province, China University of Mining and Technology, 2016A06), the Program for Grassland Excellent Talents of Inner Mongolia Autonomous Region, the Natural Science Foundation of Inner Mongolia Autonomous Region (2016JQ02), the Inner Mongolia Science and Technology Key Projects, and training plan of academic backbone in youth of Inner Mongolia University of Technology.


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Xianshu Qiao
    • 1
    • 2
  • Fang Han
    • 2
    • 3
  • Long Zhao
    • 2
  • Huipeng Li
    • 2
  • Jianbin Zhang
    • 1
    • 2
    Email author
  1. 1.Key Laboratory of Coal-based CO2 Capture and Geological StorageChina University of Mining and TechnologyXuzhouChina
  2. 2.Inner Mongolia Engineering Research Center for CO2 Capture and UtilizationHohhotChina
  3. 3.Petroleum Engineering Research Institute of PetroChina Dagang Oilfield CompanyTianjinChina

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