Ternary (Water–Acetone–Ethyl Acetate) Liquid–Liquid Equilibrium System in a Micro-Extractor

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Aghel Babak; Mohadesi Majid; Gholami Milad

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Journal Paper

Paper Information

Journal: JOURNAL OF CHEMICAL AND PETROLEUM ENGINEERING Year:2025 | Volume:59 | Issue:1 Page(s): 115-125

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Title

Ternary (Water–Acetone–Ethyl Acetate) Liquid–Liquid Equilibrium System in a Micro-Extractor

Author(s)

Aghel Babak | Mohadesi Majid | Gholami Milad | Issue Writer Certificate

Keywords

Liquid–liquid equilibrium

Micro extraction

NRTL

Thermodynamic Modeling

UNIQUAC

Abstract

This study aimed to measure the liquid−liquid equilibrium (LLE) data for a ternary (water–acetone– ethyl acetate) system to extract acetone. For this purpose, the experiments were conducted with a feed containing 80 wt. % water and 20 wt. % acetone in a T-shaped micromixer and then in a 0. 8 mm microtube. The operational variables, e. g., solvent-to-feed ratio (𝑆/𝐹, 0. 33-3. 00 v/v) and operating temperature (303. 15, 308. 15, 313. 15, and 318. 15 K), were calculated at 0. 1 MPa. According to the experimental results, the best selectivity (𝑆) and distribution coefficient (𝐷2) was achieved at 0. 50 v/v and 313. 15 K. Besides,the interaction parameters were obtained for the components by fitting UNIQUAC and NRTL models to experimental data. Both models exhibited high levels of accuracy, with standard deviations in the 0. 0002-0. 0346 range from experimental data. The results obtained from the UNIQUAC and NRTL models were consistent with the experimental data (root mean square deviations were 0. 0138 and 0. 0116 for the UNIQUAC and NRTL models, respectively).

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