Investigation of the interfacial properties for CO_2-methanol and CO_2-ethanol mixtures |
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| Authors: | FU Dong School of Environmental Science Engineering North China Electric Power University Baoding China |
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| Affiliation: | FU Dong School of Environmental Science and Engineering,North China Electric Power University,Baoding 071003,China |
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| Abstract: | An equation of state (EOS) applicable for the interfacial properties of CO2-methanol and CO2-ethanol mixtures was established by combining the cross-association EOS and the density gradient theory (DGT). The correlated surface tensions of CO2-ethanol mixtures agreed well with the experimental data. The results illustrated the temperature and pressure dependence of the cross-association between CO2 and alcohol hydroxyls in the whole vapor-liquid surface,and the influence of the cross-association on the calcu... |
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| Keywords: | CO2-methanol CO2-ethanol cross-association density gradient theory interfacial properties |
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