Salt Effect on the Liquid-Liquid Equilibrium of (Water + Phosphoric acid + Dichloromethane or ۱, ۲-Dicholoroethane) Systems at T=۲۹۸.۱۵ K

The recovery of acids from dilute solutions is important and many solvents have been used to improve such recovery [۱-۲]. Liquid–liquid equilibrium (LLE) investigations for ternary mixtures are important in the evaluation of industrial units for solvents extraction processes. The presence of dissolved salt changes the phase equilibrium behavior of a mixture significantly. This phenomenon is often referred to as the salting in or salting-out effect. In present work, the effect of ۱۰% NaCl and ۱۰% CaCl۲ on LLE data for the ternary systems of (water + phosphoric acid (PA) + dichloromethane (DM) or ۱, ۲-dicholoroethane (DE)) were studied at ۲۹۸.۱۵ K and ۱ atm.

کلیدواژه ها:

LLE data ، Phosphoric acid ، Extraction processes ، Salting effect ، NRTL model