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在常温条件下采用生物滤池处理城市污水,考察了磷酸盐浓度对其厌氧氨氧化(Anammox)效能的影响。结果表明,磷酸盐对Anammox存在一定的可逆性抑制作用。当进水TP>10 mg/L时,生物滤池中有乳白色沉积物形成,经X射线衍射晶相分析,其主要成分为MgNH4PO4.6H2O(MAP),MAP的物理阻滞作用影响了Anammox反应基质的正常传递,从而导致脱氮负荷的明显下降;通过终止投加磷酸盐、短期(2 h)降低进水pH和反冲洗三个途径,可实现Anammox脱氮效能的迅速恢复。
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中国给水排水
Year: 2009
Issue: 19
Volume: 25
Page: 31-33,36
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 6
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