Liquid–Liquid Equilibria for Ternary Systems of (Ethyl Methyl Carbonate + Methanol or Ethanol + Water) at 293.15, 303.15, and 308.15 KClick to copy article linkArticle link copied!
- Wenfeng Peng
- Quanzhou ZhangQuanzhou ZhangDepartment of Chemistry, Jinan University, Guangzhou 510632, ChinaMore by Quanzhou Zhang
- Wanxia Feng
- Yao Chen*Yao Chen*Fax: +86-20-85221697. E-mail: [email protected]Department of Chemistry, Jinan University, Guangzhou 510632, ChinaMore by Yao Chen
Abstract
Liquid-phase composition values for {water + methanol + ethyl methyl carbonate (EMC)} and (water + ethanol + EMC) were determined at temperatures of 293.15, 303.15, and 308.15 K at 101 kPa. Thermodynamic modified UNIQUAC and extended UNIQUAC models were used in regression of the experimental values, with average root-mean-square deviations of 0.96 and 1.45% in mole fraction, respectively. Moreover, optimum binary interaction parameters of (methanol or ethanol + EMC) were obtained by regression analysis of the phase composition values. The experimental data consistency was further ascertained by applying the Bachman equation. Distribution coefficients and separation factors were used to assess the extraction performance of EMC in the separation of methanol and ethanol from water.
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