Measurement and Correlational Study
of Phase Equilibria in Aqueous Solutions of N,N‑Dimethylacetamide with 1‑Pentanol and 1‑Hexanol at 298.15 and 308.15 K
Posted on 2020-05-23 - 04:03
Tie-line data were
determined for the
systems (water + N,N-dimethylacetamide
+ 1-pentanol) and (water + N,N-dimethylacetamide
+ 1-hexanol) at the temperatures of 298.15 and 308.15 K under 101.1
KPa. The phase diagrams for these systems are of type I according
to the Treyball classification. The thermodynamic consistency of the
measured tie-line data was verified using the Hand and Othmer–Tobias
equations. The distribution ratios (D) and selectivity
(S) values were computed according to the measured
tie-line data to assess the extracting behaviors of the selected solvents.
The experimental data were correlated using the nonrandom two liquid
and the universal quasichemical activity coefficient equations and
the Elephant Herding Optimization Algorithm (EHA). EHA is an emerging
nature-inspired stochastic global optimization method, and it has
been used for liquid–liquid equilibrium (LLE) parameter estimation
of local composition models in multicomponent mixtures. The performance
of this new swarm-based metaheuristic search method for LLE modeling
with and without the closure equation has been analyzed.
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Lami, Nassima; Merzougui, Abdelkrim; Uslu, Hasan (2020). Measurement and Correlational Study
of Phase Equilibria in Aqueous Solutions of N,N‑Dimethylacetamide with 1‑Pentanol and 1‑Hexanol at 298.15 and 308.15 K. ACS Publications. Collection. https://doi.org/10.1021/acs.jced.9b01029
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