He Gaohong   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Title : Director of R & D Center of Membrane Science and Technology

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Language:English

Paper Publications

Title of Paper:用硅橡胶复合膜处理含酚废水的研究

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Date of Publication:2005-01-01

Key Words:硅橡胶复合膜 苯酚 传质系数 硅橡胶管 含酚废水处理

Abstract:本文采用了一种新的硅橡胶复合中空纤维超滤膜处理苯酚废水。实验中复合膜硅橡胶厚度小于10μm,较前人士用的硅橡胶管,苯酚的透过速率大大提高。处理高浓度(浓度约是10g/L)和低浓度(浓度约是1g/L)的苯酚废水时,去除效果分别能达到99.9﹪和96.9﹪。实验通过相应的模型计算,低浓度苯酚传质系数能达到3.92×10-7m.s-1,比硅橡胶管处理苯酚废水传质系数(1.29×10-7m.s-1)有很大的提高,也大大高于其它用有机物作萃取相的传质系数。用硅橡胶复合膜代替硅橡胶管,苯酚的传质速率也明显提高。实验也发现碱液的浓度对苯酚传质系数没有太大的影响,与作者的传质模型比较吻合。

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