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<p>Furfuryl alcohol is a significant fine chemical; however, its industrial separation from aqueous by-products remains a challenge. To address the lack of thermodynamic data, this study reports liquid–liquid equilibrium data for ternary systems containing water, furfuryl alcohol, and extractants (benzyl alcohol or 1-hexanol) at 303.2, 313.2, and 323.2&#xa0;K. The extraction efficiency was evaluated by the distribution coefficient (<i>D</i>) and selectivity coefficient (<i>S</i>), with the highest <i>D</i> value reaching 7.28 and the highest <i>S</i> value reaching 103.42, indicating that both solvents exhibit excellent potential for separating furfuryl alcohol from water. Furthermore, the experimental data were correlated using NRTL and UNIQUAC models. The root mean square deviation values were less than 0.64 and 0.55%, respectively, confirming the reliability of the binary interaction parameters calculated via relevant software.</p>

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Measurement and Analysis for Ternary Liquid–Liquid Equilibrium Systems of Water + Furfuryl Alcohol + Different Alcohol Solvents at 303.2, 313.2, and 323.2 K

  • 期刊论文

  • 发表日期：

    2026年7月24日

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  • Zhenhai Bo,
  • Mai Han,
  • Mingjing Wu,
  • Xia Li,
  • Meng Zheng

摘要

Furfuryl alcohol is a significant fine chemical; however, its industrial separation from aqueous by-products remains a challenge. To address the lack of thermodynamic data, this study reports liquid–liquid equilibrium data for ternary systems containing water, furfuryl alcohol, and extractants (benzyl alcohol or 1-hexanol) at 303.2, 313.2, and 323.2 K. The extraction efficiency was evaluated by the distribution coefficient (D) and selectivity coefficient (S), with the highest D value reaching 7.28 and the highest S value reaching 103.42, indicating that both solvents exhibit excellent potential for separating furfuryl alcohol from water. Furthermore, the experimental data were correlated using NRTL and UNIQUAC models. The root mean square deviation values were less than 0.64 and 0.55%, respectively, confirming the reliability of the binary interaction parameters calculated via relevant software.