High Pressure Vapor-Liquid Equilibria and Density Behaviors for Carbon Dioxide+Methanol System at 313.15 K.

High pressure vapor-liquid equilibria and saturated densities are measured for carbon dioxide+methanol system at 313.15K, without any analysis of phase compositions, based on mass balance and the phase rule. Unsaturated densities are further measured. The saturated points near the critical point of mixture are measured by the conventional dew-bubble point pressure method. A technique is presented to determine the saturated vapor points, assuming the linear relation between molar volume and mole fraction. The experimental data obtained are correlated with equations of state.