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分子蒸馏模拟分离菜籽油脱臭馏出物中维生素E

, PP. 78-81

Keywords: 菜籽油,分子蒸馏,脱臭馏出物,维生素E,模拟

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Abstract:

通过对分子蒸馏液膜表面流体流动和传质、传热分析,建立了二维分子蒸馏模型的传质和传热方程,并对菜籽油脱臭馏出物中维生素E的分离进行模拟。研究结果表明:随着蒸馏温度和进料温度的增加,维生素E质量分数增大;随着进料速率增加,维生素E质量分数降低。维生素E达到最高质量分数时的模拟蒸馏温度比试验结果提高了20K,质量分数相差15%,为分子蒸馏分离脱臭馏出物中维生素E的操作参数优化提供了理论依据。

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