Abstract
Equilibrium liquid/gas partition coefficients between aqueous ethanol solutions and nitrogen were measured using a cocurrent gas/liquid equilibrium column for n-alkanes (pentane to hexadecane) and 13 different aroma compounds at very dilute concentrations. The operation of the column is described, and the results are compared to available literature results. The partition coefficients are compared to estimations made using the UNIFAC and GCFLORY (group-contribution Flory equation of state) activity coefficient estimation models. The estimations are generally accurate within an order of magnitude, with some exceptions
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