Abstract
In a previous work, the parameters of the statistical associating fluid theory (SAFT) equation of state for amino acids were determined by using the method developed. The solubility of amino acids in water was modeled. In this work, the SAFT equation of state has been applied to describe the solubility of amino acids in aqueous alcohol solutions. The systems include dl-alanine/ethanol/water, glycine/ethanol/water, dl-valine/ethanol/water, dl-serine/ethanol/water, glycine/1-propanol/water, glycine/2-propanol/water, l-alanine/2-propanol/water, l-leucine/ethanol/water. Binary interaction parameters between amino acid and alcohol are needed by the SAFT model to get good modeling results.
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