NaHSO3强化Fe2+/过硫酸盐体系处理铬黑T废水的优化
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安帅,李海松
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Optimization of NaHSO3 enhanced Fe2+/persulfate system for treatment of eriochrome black T wastewater by response surface methods
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Shuai An,Haisong Li
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表3 二次多项式模型的方差分析
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Table 3 Analysis of variance of quadratic polynomial model
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| 方差来源 | 方差和 | 自由度 | 均方差 | F值 | P值 | 显著性 | | 模型 | 4 813.40 | 9 | 534.82 | 105.21 | ＜0.000 1 | 高度显著 | | A | 1 172.97 | 1 | 1 172.97 | 230.74 | ＜0.000 1 | | | B | 170.11 | 1 | 170.11 | 33.46 | 0.000 7 | | | C | 2 084.64 | 1 | 2 084.64 | 410.08 | ＜0.000 1 | | | AB | 5.15 | 1 | 5.15 | 1.01 | 0.347 6 | | | AC | 185.91 | 1 | 185.91 | 36.57 | 0.000 5 | | | BC | 94.77 | 1 | 94.77 | 18.64 | 0.003 5 | | | A2 | 959.15 | 1 | 959.15 | 188.68 | ＜0.000 1 | | | B2 | 89.40 | 1 | 89.40 | 17.59 | 0.004 1 | | | C2 | 3.68 | 1 | 3.68 | 0.72 | 0.422 7 | | | 残差 | 35.58 | 7 | 5.08 | | | | | 失拟项 | 26.85 | 3 | 8.95 | 4.10 | 0.103 1 | | | 纯误差 | 8.73 | 4 | 2.18 | | | | | 总和 | 4 848.98 | 16 | | | | |
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