期刊
JOURNAL OF CHEMICAL AND ENGINEERING DATA
卷 63, 期 1, 页码 95-101出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jced.7b00683
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Liquid-liquid equilibria (LLE) data provide fundamentals for the design and simulation of an extraction operation. The objective of this work is to extract cyclohexanol from aqueous solution using appropriate solvents. Liquid-liquid extractions for two ternary systems comprising water + cyclohexanol + solvents (methyl iso-butyl carbinol, MIBC) as well as methyl iso-butyl ketone, MIBK) were carried out at 303.15, 323.15 K and 308.15, 318.15 K, respectively. The distribution coefficient (D) and selectivity value (S) were employed to assess the separation capability of MIBC and MIBK. The Hand and Bachman empirical equations were both used to ascertain the consistency of the experimental results. The nonrandom two-liquid model and the universal quasi-chemical model were applied to fit the obtained LLE results and yielded corresponding binary interaction parameters. Moreover, the root-mean-square deviation (rmsd) values were evaluated for two studied ternary systems, demonstrating both models can regress the experimental data well.
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