采用硅藻土错流动态膜过程直接处理淮河原水,考察商品硅藻土在不同投加量、不同附加剂配合条件下动态膜的成膜效果、出水浊度和膜通量变化.研究结果表明,采用商品硅藻土和聚合氯化铝附加剂动态膜成膜较好；继续在动态膜过滤过程中不断加入0.25 mg/L聚合氯化铝,出水浊度可以稳定在0.25 NTU或以下.错流可以适当延缓硅藻土动态膜通量衰减.
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