Experimental study and thermodynamic model for respective solubilities of CO2 and ethanol for CO2‐ethanol‐polystyrene ternary system at elevated pressure and temperature
Abstract:Foamed non-Fickian diffusion (FNFD) model for a ternary system was proposed for the first time to regress the desorption data obtained by the gravimetric method. Results showed that FNFD model could accurately describe the diffusion behavior of CO 2 and ethanol out of foamed polystyrene (PS) and well predict total solubilities of CO 2 and ethanol in foamed PS. Meanwhile, Sanchez-Lacombe equation of state (S-L EoS) was adopted to calculate the respective solubilities (solubility of CO 2 in PS or solubility of e… Show more
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