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Supercritical Fluid Extraction Kinetics of Cherry Seed Oil: Kinetics Modeling and ANN Optimization

机译:樱桃种子油的超临界流体萃取动力学:动力学建模与ANN优化

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摘要

This study was primarily focused on the supercritical fluid extraction (SFE) of cherry seed oil and the optimization of the process using sequential extraction kinetics modeling and artificial neural networks (ANN). The SFE study was organized according to Box-Behnken design of experiment, with additional runs. Pressure, temperature and flow rate were chosen as independent variables. Five well known empirical kinetic models and three mass-transfer kinetics models based on the Sovová’s solution of SFE equations were successfully applied for kinetics modeling. The developed mass-transfer models exhibited better fit of experimental data, according to the calculated statistical tests (R2, SSE and AARD). The initial slope of the SFE curve was evaluated as an output variable in the ANN optimization. The obtained results suggested that it is advisable to lead SFE process at an increased pressure and CO2 flow rate with lower temperature and particle size values to reach a maximal initial slope.
机译:该研究主要集中在樱桃种子油的超临界流体萃取(SFE)和使用顺序提取动力学建模和人工神经网络(ANN)的过程的优化。根据Box-Behnken的实验设计组织了SFE学习,额外的运行。选择压力,温度和流速作为独立变量。基于Sovová的SFE方程解决方案的五种众所周知的经验动力学模型和三种传质动力学模型进行了动力学建模。根据计算出的统计测试(R2,SSE和AARD),发达的传质模型表现出更好的实验数据。 SFE曲线的初始斜率被评估为ANN优化中的输出变量。所得结果表明,建议以较低的温度和粒度值的增加的压力和CO 2流速引导SFE过程,以达到最大初始斜率。

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