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Abstract:
针对剩余污泥水解酸化产生大量多糖、蛋白质和VFAs碳源的同时会有较高浓度的NH+4-N和PO3-4-P溶出的问题,考察了pH值和元素摩尔比对以沉淀法同时去除NH+4-N和PO3-4-P的影响.结果表明,最佳pH为9.0,当pH升高到10.0时NH+4-N去除率略有下降,在特定摩尔比范围内摩尔比对沉淀形成的影响大于pH值的影响;化学沉淀法应用于剩余污泥酸化液脱氮除磷的最适宜镁、磷、氮摩尔比为1.2∶0.8∶1,此时NH+4-N和PO3-4-P的去除率分别达到50%和93%以上,VFAs碳源损失率<8%.
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环境工程学报
ISSN: 1673-9108
Year: 2011
Issue: 2
Volume: 05
Page: 241-245
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 11
Chinese Cited Count:
30 Days PV: 1
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