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HERO ID
6090285
Reference Type
Journal Article
Title
Measurement and modelling of isothermal solubility of methane in methanol from 213.15 K to 273.15 K
Author(s)
Lyu, Z; Ma, H; Qian, W; Zhang, H; Ying, W
Year
2020
Is Peer Reviewed?
1
Journal
Journal of Chemical Thermodynamics
ISSN:
0021-9614
Volume
141
Page Numbers
105917
DOI
10.1016/j.jct.2019.105917
Web of Science Id
WOS:000499062100012
URL
http://www.sciencedirect.com/science/article/pii/S0021961419306767
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Abstract
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–Redlich–Kwong 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.
Keywords
Solubility; VLE; Methane; Methanol; SRK-vdW-Wilson-Henry
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