Analysis of Fouling Resistance of the Membrane and Cleaning Technique

doi:10.3696/j.issn.1672-6952.2010.02.002

Journal of Liaoning Petrochemical University ›› 2010, Vol. 30 ›› Issue (2): 4-7.DOI: 10.3696/j.issn.1672-6952.2010.02.002

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Analysis of Fouling Resistance of the Membrane and Cleaning Technique

JIN Wen-ying,ZHAO Yu，JIN Shan*

School of Chemistry and Materials Science, Liaoning Shihua University,Fushun Liaoning 113001, P.R.China

Received:2009-09-05 Published:2010-06-25 Online:2017-07-05

膜过滤复合过程污染阻力分析及清洗

金文英,赵宇,金珊*

辽宁石油化工大学化学与材料科学学院,辽宁抚顺113001

作者简介:金文英(1983-),女,辽宁抚顺市,在读硕士。

Abstract

Abstract:

It was studied simulated acrylic fiber wastewater treatment used membrane bioreactor. In Lab research, the fouling mechanisms of the membrane in microfihration were studied. Every kind of resistances in the simulated acrylic fiber wastewater treatment was analyzed. The results show that the fouling is mainly from concentration polarization and cake layer under the conditions of the lower operating pressure. However, the fouling mainly from cake layer under the conditions of the higher operating pressure. The resistances from the block and itself is small, thus, they are the minor factors for the membrane fouling. The method of membrane cleaning were proposed, that is, membrane flux is up to better level after 1% H₂O₂ solution washing for 30 min or 0.1 mol/ L NaOH solution washing for 60 min.

Key words: Ceramic membrane , Acrylic fiber wastewater , , Fouling analysis , , Membrane cleaning

摘要： 对生物反应器———膜过滤复合过程处理模拟腈纶废水进行了研究,探索了膜微滤过程中的污染机
理。通过对微滤膜处理模拟腈纶废水过程中各部分阻力进行分析,结果表明在较低操作压力条件下,膜的污染主要
是浓差极化和滤饼层污染;在较高操作压力条件下,则主要是来自滤饼层污染;来自膜孔阻力和膜自身的阻力较小
是膜污染的次要因素。提出了膜清洗的具体方案,用质量分数1%的双氧水溶液清洗30min或0.1mol/L的氢氧化
钠溶液清洗60min,均可以使膜通量恢复到较好的水平。

关键词: 陶瓷膜 , 腈纶污水 , , 阻力分析 , , 膜清洗

JIN Wen-ying,ZHAO Yu，JIN Shan. Analysis of Fouling Resistance of the Membrane and Cleaning Technique[J]. Journal of Liaoning Petrochemical University, 2010, 30(2): 4-7.

金文英,赵宇,金珊. 膜过滤复合过程污染阻力分析及清洗[J]. 辽宁石油化工大学学报, 2010, 30(2): 4-7.

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Analysis of Fouling Resistance of the Membrane and Cleaning Technique

膜过滤复合过程污染阻力分析及清洗

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