胡静涛¹,郄凌翔¹,章晶晓²,成卓韦¹,叶杰旭¹,张士汉¹,陈建孟¹,陈东之¹

• 1:浙江工业大学 环境学院，浙江 杭州 310014
• 2:台州市生态环境局 玉环分局，浙江 台州 317600

摘要(Abstract)：

为研究两相分配搅拌式反应器中硅油对正己烷传质的影响，采用静态顶空法获得正己烷的气/水和硅油混合液分配系数H，通过模型拟合计算最大气相可转移至液相的正己烷体积分数β_S^*，利用效能-传热单位数法计算总体积传质系数K_La。结果表明，随着硅油比例φ的提高，H显著下降；"等效吸收容量"模型可以很好地描述H与φ之间的关系；β_S^*随着硅油的添加急剧增大，并随着φ提高而上升，而进气流速的增加会导致β_S^*减小；K_La会随着φ上升而减小，但硅油显著提升了饱和液相正己烷浓度，从而提高正己烷的总传质速率。

关键词(KeyWords)： 正己烷;两相分配生物反应器;传质模型;总体积传质系数

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金（51778581，21477116）；国家重点研发计划（2018YFC0214103-02）。

作者(Author): 胡静涛¹,郄凌翔¹,章晶晓²,成卓韦¹,叶杰旭¹,张士汉¹,陈建孟¹,陈东之¹

DOI: 10.3969/j.issn.1003-9015.2020.03.016

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