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题名: Bio-kinetics evaluation and batch modeling of the anammox mixed culture in UASB and EGSB reactors: batch performance comparison and kinetic model assessment
作者: Niu, Qigui; He, Shilong; Zhang, Yanlong; null(张昱); Yang, Min; Li, Yu-You
刊名: RSC ADVANCES
出版日期: 2016-01
卷号: 6, 期号:5, 页码:3487-3500
DOI: 10.1039/c5ra14648h
部门归属: 环境水质学国家重点实验室
英文摘要: To predict the performance and evaluate the optimized process operation, a number of kinetic models were conducted in batch experiments for UASB-anammox biomass and EGSB-anammox biomass. Following a time series with substrate variations, the reaction of the mixed culture was separated into three phases: the anammox reaction, denitrification and cell lysis. Among the six selected kinetic models, the Hanlev and Luong models were found to be the most appropriate, with a prospected r(max) of 0.28, 0.30 gN gVSS(-1) d(-1), a K-s of 53.38, 52.52 mg NH4+-N L-1 and inhibition coefficient of 900 and 928 mg N L-1, respectively. Significant differences were found in the simulated specific anammox activity (SAA) in the two reactors following longitudinal distribution. The EGSB-anammox biomass had the highest r(max) of 0.30 gN gVSS(-1) d(-1), and a K-s of 53.38 mg NH4+-N L-1 (123.84 mg TN L-1), both validated in the models and experimentally. In contrast, a large variation was found in the UASB-anammox biomass, from 0.1 to 0.6 gN gVSS(-1) d(-1) from the top to the bottom of the reactor, and the removal efficiency of the whole system was lower. It was also found that a second feeding tended to increase the SAA for higher purity anammox biomass.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/36012
Appears in Collections:环境水质学国家重点实验室_期刊论文

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Recommended Citation:
Niu, Qigui,He, Shilong,Zhang, Yanlong,et al. Bio-kinetics evaluation and batch modeling of the anammox mixed culture in UASB and EGSB reactors: batch performance comparison and kinetic model assessment[J]. RSC ADVANCES,2016,6(5):3487-3500.
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