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Abstract:
以生活污水为处理对象,采用碳纤维填料制成序批式生物膜反应器(sequencing batch biofilm reactor,SBBR),采用N_2+O_2联合曝气的方式,通过改变N_2和O_2的比例,稳定系统内DO浓度为1.5 mg/L,考察不同曝气强度(30、20和10 L/h)下系统脱氮性能及N_2O释放特性。异养菌和硝化菌共生于生物膜内,异养菌位于外层,硝化菌位于内层,曝气强度降低有利于外部异养菌大量增殖,生物膜厚度增加。曝气强度为30 L/h和10 L/h条件下,SBBR系统NH_4~+-N去除率分别为95%以上和79.2%±1.6%,同步脱氮效率分别为46.2%±2.6%和62.1...
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Source :
化工学报
Year: 2019
Issue: 11
Volume: 70
Page: 4410-4419
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: 5
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