OALib Journal期刊
ISSN: 2333-9721
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生物制剂对MBR中无纺布膜组件过滤性能的影响
Keywords: 生物制剂,聚丙烯无纺布,膜生物反应器
Abstract:
研究了生物制剂对浸渍式膜生物反应器(submergedmembranebioreactor,SMBR)中聚丙烯无纺布(non-wovenfabric,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-cellularpolymericsubstances,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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