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Abstract:
为了研究溶解氧(DO)浓度对实现短程硝化的影响,在小试反应器内研究了长期不同溶解氧环境下稳定运行的硝化污泥中氨氧化菌(AOB)的氧半饱和常数(K_(O2,AOB))。结果表明,长期在DO为(0.5±0.1)mg/L条件下运行的硝化污泥中AOB的K_(O2,AOB)值为(0.281±0.026)mg O_2/L,长期在DO为(2.5±0.5)mg/L条件下运行的硝化污泥中AOB的K_(O2,AOB)值为(0.064±0.008)mg O_2/L,表明其AOB对氧具有极高的亲和力,并且在高DO浓度下,可以维持较高的比氨氧化速率。两个系统的K_(O2,AOB)值均较低,说明无论低DO或高DO浓度,均...
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中国给水排水
Year: 2017
Issue: 23
Volume: 33
Page: 22-26
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: 16
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