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<p>Due to the growing demand for eco-friendly epoxides from vegetable oils, considerable efforts have been made in recent years to develop methods for the epoxidation of castor oil. In this study, epoxidized castor oil was produced using in situ formed peracetic acid. The highest oxirane content (50.36%) was achieved when applied optimum epoxidation reaction parameters (1) reaction temperature: 55&#xa0;°C, (2) acetic acid-to-castor oil molar ratio: 1.5, and (3) agitation speed: 300&#xa0;rpm. Lastly, using MATLAB software, a mathematical model was developed that employed the fourth-order Runge–Kutta method and genetic algorithm optimization to determine the kinetic model best fitting the experimental data. This research contributes to transforming castor oil into a value-added product, reducing reliance on petroleum, and providing insights into reaction kinetics, which are crucial for industrial applications.</p>

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Castor oil auto-catalytic epoxidation using an in situ peracids mechanism: kinetic analysis and optimization

  • 期刊论文

  • 发表日期：

    2025年5月12日

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  • Intan Suhada Azmi,
  • Muhammad Firdaus Husin,
  • Muhammad Yasin bin Idris,
  • Alyaa Maisarah Abd Malek,
  • Mohanad El-Harbawi,
  • Mohd Jumain Jalil

摘要

Due to the growing demand for eco-friendly epoxides from vegetable oils, considerable efforts have been made in recent years to develop methods for the epoxidation of castor oil. In this study, epoxidized castor oil was produced using in situ formed peracetic acid. The highest oxirane content (50.36%) was achieved when applied optimum epoxidation reaction parameters (1) reaction temperature: 55 °C, (2) acetic acid-to-castor oil molar ratio: 1.5, and (3) agitation speed: 300 rpm. Lastly, using MATLAB software, a mathematical model was developed that employed the fourth-order Runge–Kutta method and genetic algorithm optimization to determine the kinetic model best fitting the experimental data. This research contributes to transforming castor oil into a value-added product, reducing reliance on petroleum, and providing insights into reaction kinetics, which are crucial for industrial applications.