Recovery of formic acid from an aqueous solution by ۱- decanol at ۳۲۳.۱۵K

In this work, experimental solubility and tie-line data for the (water + formic acid + ۱-decanol) system were obtained at T = ۳۲۳.۱۵ K and atmospheric pressure. Data for the binodal curves were determined by cloud-point titration method. The concentration of each phase was determined by acidimetric titration, the Karl–Fischer technique, and refractive index measurements. A type-۲ LLE phase diagram was obtained for this ternary system The experimental tie-line data were compared with those correlated by the NRTL model and the binary interaction parameters were obtained.

کلیدواژه ها:

Liquid-liquid equilibrium ، Tie-line data ، Formic acid ، ۱-Decanol ، NRTL model ، Separation factor.