本文探讨FeCl3的投加对膜生物反应器(membrane bioreactor,MBR)运行性能的影响,实验结果表明投加Fe3+对MBR的污染物去除及污泥混合液特性改善效果明显.与对照组对比,进水中投加10 mg/L FeCl3对COD,NH4+-N和Tp的去除效果均明显提高,污泥混合液的污泥沉降性有所改善,动力学黏度、表面电荷性均提高.进一步研究发现,Fe3+的投加明显的提高了污泥混合液可滤性,降低了缓慢增长阶段的膜污染速率.
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