Modelling solubility of phenolics of mango ginger extract in supercritical carbon dioxide using equation of state and empirical models.

ABSTRACT: Solubility of phenolics of mango ginger extract in supercritical carbon dioxide was studied at 40-60 °C and 100-350 bar. Critical temperature, critical pressure and critical volume of caffeic acid, the principal component of the extract were calculated using group contribution methods and compared with the values obtained by CHEMDRAW®. Vapor pressure of caffeic acid was predicted by Reidel method. Solubility prediction in supercritical carbon dioxide was studied using two different equation of states (EOS) models and eight empirical models. Peng-Robinson EOS predicted the solubility very well with average deviation of 0.68 % from the experimental solubility. Empirical equations based on the simple error minimization using non-linear regression method which do not require complex physiochem

SUBMITTER: Murthy TP 

PROVIDER: S-EPMC4554676 | biostudies-literature | 2015 Sep

REPOSITORIES: biostudies-literature