(Liquid+liquid) equilibrium of (NaClO4+PEG 4000+H2O) ternary system at different temperatures

Abstract

a b s t r a c t Phase diagram and (liquid + liquid) equilibrium (LLE) results for {NaClO 4 + polyethylene glycol 4000 (PEG 4000) + H 2 O} have been determined experimentally at T = (288.15, 298.15, and 308.15) K. The Chen-NRTL, modified Wilson and UNIQUAC models were used to correlate the values for the experimental tie-lines. The results show that the quality of fitting is better with the modified Wilson model.

Measurements and Modeling of Liquid–Liquid Equilibrium of Polyethylene Glycol 400, Sodium Phosphate, or Sodium Citrate Aqueous Two-Phase Systems at (298.2, 308.2, and 318.2) K

“…For PEG400 + sodium phosphate ATPS the temperature effect on the position of the binodal curves was not relevant at the studied range. A similar trend was observed for PEG4000 + sodium perchlorate ATPS …”

(Liquid+liquid) equilibrium of (NaNO3+PEG 4000+H2O) ternary system at different temperatures

“…15 and 308.15) K. These (liquid + liquid) equilibrium (LLE) data allow us to plan the sodium perchlorate partition experiences from known compositions of the midpoints of each tie-line. On the other hand, in a previous article the LLE of the (NaClO 4 + PEG 4000 + H 2 O) system was reported [4].…”