期刊
JOURNAL OF CHEMICAL THERMODYNAMICS
卷 141, 期 -, 页码 -出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jct.2019.105917
关键词
Solubility; VLE; Methane; Methanol; SRK-vdW-Wilson-Henry
资金
- Fundamental Research Funds for the Central Universities [222201917013]
The isothermal solubility of methane in methanol was measured at temperatures from 213.15 K to 273.15 K and pressures from 1.0580 MPa to 6.9947 MPa. The static analytical method was used in the experiment, which was carried out by sampling from an equilibrium cell using a heated sample cylinder connected to a gas chromatograph and loading the sample into the chromatograph. The Soave-RedlichKwong equation of state with the van der Waals one-fluid mixing rule applying the Wilson activity coefficient model with Henry's constant was used to describe the equilibrium behaviour of vapour and liquid phase in the system for (methane + methanol) binary mixture. The measurements were correlated with the SRK-vdW-Wilson-Henry model. The calculated results indicate that the model not only matches well with the measurements but also predicts optimally VLE data of the system from 213.15 K to 273.15 K below 7.0000 MPa. (C) 2019 Elsevier Ltd.
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