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Effect of Water on the Density, Viscosity, and CO2 Solubility in Choline Chloride/Urea

Open access
Xie, Yujiao, Dong, Haifeng, Zhang, Suojiang, Lu, Xiaohua, Ji, Xiaoyan·2014·Journal of Chemical & Engineering Data

Abstract

To study the effect of water on the properties of choline chloride (ChCl)/urea mixtures (1:2 on a molar basis), the density and viscosity of ChCl/urea (1:2) with water were measured at temperatures from 298.15 K to 333.15 K at atmospheric pressure, the CO 2 solubility in ChCl/urea (1:2) with water was determined at 308.2 K, 318.2 K, and 328.2 K and at pressures up to 4.5 MPa. The results show that the addition of water significantly decreases the viscosity of ChCl/urea (1:2), whereas the effects on their density and CO 2 solubility are much weaker. The CO 2 solubility in ChCl/urea (1:2) with water was represented with the Nonrandom-Two-Liquid Redlich–Kwong (NRTL-RK) model. The excess molar volume and excess molar activation energy were further determined. The CO 2 absorption enthalpy was calculated and dominated by the CO 2 dissolution enthalpy, and the magnitude of the CO 2 dissolution enthalpy decreases with the increase of water content.

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Metadata

Authors
Xie, Y., Dong, H., Zhang, S., Lu, X., & Ji, X.
Venue
Journal of Chemical & Engineering Data
Published
2014-11-04
Volume
59
Issue
11
Pages
3344-3352
ISSN
  • 0021-9568 (ISSN-L)
  • 1520-5134
OpenAlex
W2323590840
Cited by
219
References
5
FWCI
3.12
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Effect of Water on the Density, Viscosity, and CO2 Solubility in Choline Chloride/Urea. https://app.cochat.ai/papers/10.1021/je500320c
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Xie, Y., Dong, H., Zhang, S., Lu, X., & Ji, X. (2014). Effect of Water on the Density, Viscosity, and CO2 Solubility in Choline Chloride/Urea. Journal of Chemical & Engineering Data. https://doi.org/10.1021/je500320c

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