| 生物制剂对MBR中无纺布膜组件过滤性能的影响 |
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| 引用本文： | 仉春华,许英梅,曾令金,安晓雯.生物制剂对MBR中无纺布膜组件过滤性能的影响[J].环境工程学报,2010,4(2):293-296. |
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| 作者姓名： | 仉春华 许英梅 曾令金 安晓雯 |
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| 作者单位： | 大连民族学院环境工程系,大连,116600 |
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| 基金项目： | 国家自然科学基金资助项目（50978048） |
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| 摘 要： | 研究了生物制剂对浸渍式膜生物反应器(submerged membrane bioreactor,SMBR)中聚丙烯无纺布(non-wov-en fabric,NWF)膜组件过滤性能的影响。结果表明,能减少膜组件表面附着污泥胞外聚合物(extra-cellular polymeric sub-stances,EPS)的含量及污泥的沉积,减缓膜通量的衰减速率和膜污染,无纺布膜组件的过滤性能得到明显改善,表现出一定的耐污染性。生物制剂能改善污泥的沉降性能,有效防止污泥膨胀;对MBR的COD去除率基本没有影响,但略微增大了处理水的浊度。
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| 关 键 词： | 生物制剂 聚丙烯无纺布 膜生物反应器 |
Effect of biologics on filtration of non-woven fabric module in membrane bio-reactor |
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| Zhang Chunhu,Xu Yingmei,Zeng Lingjin and An Xiaowen.Effect of biologics on filtration of non-woven fabric module in membrane bio-reactor[J].Techniques and Equipment for Environmental Pollution Control,2010,4(2):293-296. |
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| Authors: | Zhang Chunhu Xu Yingmei Zeng Lingjin and An Xiaowen |
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| Institution: | Environmental Engineering Department, Dalian Nationalities University, Dalian 116600, China,Environmental Engineering Department, Dalian Nationalities University, Dalian 116600, China,Environmental Engineering Department, Dalian Nationalities University, Dalian 116600, China and Environmental Engineering Department, Dalian Nationalities University, Dalian 116600, China |
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| Abstract: | The effect of biologics on filtration of non-woven fabric (NWF) module in the submerged membrane bioreactor (SMBR) was investigated. The results showed that biologics can reduce sludge extra-cellular polymeric substances (EPS) absorbed on the membrane model surface and sludge accumulation, and slow down the flux decline and membrane fouling. The filtration performance of non-woven fabric module is improved obviously and the un-fouling performance is increased. Biologics can improve sludge settling performance, prevent from sludge bulking,and does not affect the COD removal rate in MBR, but it appreciably increases the permeate turbidity. |
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| Keywords: | biologics polypropylene non-woven fabric membrane bioreactor |
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