非均相催化臭氧氧化同时去除COD和氨氮的研究
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韦丹,陈捷,孙逊
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Study on heterogeneous catalytic ozonation for removal of COD and ammonia nitrogen
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Dan WEI,Jie CHEN,Xun SUN
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表7 氨氮去除量响应面回归分析结果
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Table 7 Results of response surface regression analysis of ammonia nitrogen removal
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| 方差来源 | 平方和 | 自由度 | 均方差 | F值 | P值 |
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| 模型 | 0.13 | 5 | 0.026 | 45.81 | <0.000 1 | | A（接触反应时间） | 6.555×10-3 | 1 | 6.555×10-3 | 11.40 | 0.011 8 | | B（臭氧的投加量） | 0.12 | 1 | 0.12 | 213.34 | <0.000 1 | | AB | 1.225×10-3 | 1 | 1.225×10-3 | 2.13 | 0.187 8 | | A2 | 6.957×10-4 | 1 | 6.957×10-4 | 1.21 | 0.307 8 | | B2 | 3.913×10-4 | 1 | 3.913×10-4 | 0.68 | 0.436 7 | | 残差 | 4.027×10-3 | 7 | 5.752×10-4 | | | | 失拟项 | 2.027×10-3 | 3 | 6.755×10-4 | 1.35 | 0.376 9 | | 纯误差 | 2.000×10-3 | 4 | 5.000×10-4 | | | | R2 | 0.970 3 | | R | 0.942 9 | | R | 0.870 8 |
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