白洁,祝杰,叶世超,刘振华

• 1:四川大学化学工程学院

摘要(Abstract)：

采用受力分析的方法建立了微分散液滴直径计算模型,以正丁醇/磷酸/水为实验体系,研究了微分散法萃取磷酸的传质特性,依据传质理论计算出了各实验条件下的传质系数及传质速率。研究结果表明:在微分散条件下,液滴直径随分散相流量的增大而减小;直接影响传质系数的因素主要是进口酸浓度、物性、相比、液滴直径、两相流量;采用准数关联出传质系数关联式为:Sh=9.01×10-8Sc1.612Re0.6876p1.027,计算值与实验值相对误差小于10%,为微分散萃取磷酸技术的深入研究提供了理论基础。

关键词(KeyWords)： 萃取;磷酸;正丁醇;模型

Abstract:

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基金项目(Foundation):

作者(Author): 白洁,祝杰,叶世超,刘振华

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