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:硅橡胶复合膜处理含酚废水

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Date of Publication:2006-03-25

Journal:化工进展

Included Journals:PKU、ISTIC、CSCD

Volume:25

Issue:3

Page Number:305-309

ISSN No.:1000-6613

Key Words:硅橡胶复合膜;苯酚;传质系数;硅橡胶管

Abstract:采用了一种新的硅橡胶复合中空纤维膜处理苯酚废水.实验中复合膜硅橡胶厚度小于10μm,较前人使用硅橡胶管处理废水时苯酚的透过速率大大加快.处理高浓度(8.977 g/L)和低浓度(0.939 g/L)的苯酚废水时,去除效果分别能达到99.9%和96.9%.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,比硅橡胶管处理苯酚废水传质系数(1.29×10-7m/s)有很大的提高.实验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.也研究了含氯化钠的苯酚的传质,发现氯化钠的存在大大增加了苯酚的传质系数.

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