折点加氯对脱硫废水中氨氮去除工艺优化
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胡大龙,王正江,杨万荣,余耀宏,李亚娟,杨阳,卢剑,许臻
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Process optimization of removal of ammonia nitrogen from FGD wastewater by break-point chlorination
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Dalong Hu,Zhengjiang Wang,Wanrong Yang,Yaohong Yu,Yajuan Li,Yang Yang,Jian Lu,Zhen Xu
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表2 回归方程模型方差分析及其系数的显著性检验
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| 项目 | 平方和 | 自由度 | 均方 | F值 | P值 | 显著性 | | 模型 | 82 509.21 | 9 | 9 167.69 | 36.27 | < 0.000 1 | ** | | A | 2 209.71 | 1 | 2 209.71 | 8.74 | 0.021 2 | * | | B | 53 344.80 | 1 | 53 344.80 | 211.06 | < 0.000 1 | ** | | C | 7 850.05 | 1 | 7 850.05 | 31.06 | 0.000 8 | ** | | AB | 48.95 | 1 | 48.95 | 0.19 | 0.673 2 | | | AC | 309.32 | 1 | 309.32 | 1.22 | 0.305 2 | | | BC | 7 668.07 | 1 | 7 668.07 | 30.34 | 0.000 9 | ** | | A2 | 426.25 | 1 | 426.25 | 1.69 | 0.235 2 | | | B2 | 10 370.71 | 1 | 10 370.71 | 41.03 | 0.000 4 | ** | | C2 | 1.95 | 1 | 1.95 | 0.01 | 0.932 5 | | | 残差 | 1 769.20 | 7 | 252.74 | | | | | 失拟项 | 1 053.59 | 3 | 351.20 | 1.96 | 0.261 6 | | | 纯误差 | 715.61 | 4 | 178.90 | | | | | 总离差 | 84 278.40 | 16 | | | | |
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