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Abstract:
针对低碳氮比生活污水的特点,提出新型离子交换膜-超滤组合膜(IEM-UF)氮富集短程硝化反硝化脱氮工艺.研究了新型IEM-UF亚硝化反硝化脱氮系统在三阶段运行工况下各反应器的性能及整个系统的脱氮及COD去除效果,同时应用高通量技术探究菌群结构变化对脱氮效果的影响.试验结果表明:C/N为3,亚硝化反应器中DO=0.5mg/L条件下,亚硝化反应器中NO_2~--N积累率仅用19d就达到了90%;在短程反硝化进水流量比为2:1的条件下,COD及NO_x~--N平均去除率分别达到80%和89%以上.TN去除率最高达到64.8%.高通量16S r DNA测序结果表明,三阶段菌群结构变化与系统脱氮效果的变...
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中国环境科学
Year: 2018
Issue: 02
Volume: 38
Page: 542-550
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: 10
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