填料电加热强化低温下厌氧氨氧化脱氮效能研究
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谢飞,赵博玮,周爱娟,岳秀萍
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Enhancing the nitrogen removal of anammox at low temperature by electric heating of filler
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Fei XIE,Bowei ZHAO,Aijuan ZHOU,Xiuping YUE
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表1 反应器在不同阶段的氮去除效果
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Table 1 Nitrogen removal effect of the reactors at different stages
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| 阶段 | 运行时间/d | R1 | | R2 | | NH4+-N平均去除率/% | NO2--N平均去除率/% | 平均出水NO3--N/（mg·L-1） | TN平均去除率/% | | NH4+-N平均去除率/% | NO2--N平均去除率/% | 平均出水NO3--N/（mg·L-1） | TN平均去除率/% | | Ⅰ | 1~10 | 69.2 | 58.5 | 12.9 | 68.7 | | 70.3 | 59.2 | 11.6 | 69.0 | | Ⅱ | 11~20 | 14.7 | 11.6 | 1.8 | 13.8 | | 16.9 | 12.3 | 1.7 | 15.1 | | Ⅲ | 21~25 | 48.8 | 52.6 | 3.8 | 52.5 | | 44.7 | 38.2 | 6.1 | 43.8 | | Ⅳ | 26~35 | 74.2 | 72.3 | 4.1 | 74.9 | | 70.0 | 56.7 | 11.1 | 67.3 |
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