| 高浓度含盐农药生产废水预处理试验研究
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		| 王忠泉,王坤,秦树林,刘臣亮,张迎喜 | 
			
			| Pretreatment test of high concentration salt pesticide wastewater
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		| Zhongquan Wang,Kun Wang,Shulin Qin,Chenliang Liu,Yingxi Zhang | 
	
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		| 表2 正交试验结果 
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		|    | 序号 | 因素水平 | 出水COD/(mg·L-1) |   | A | B | C | D |   | 1 | 50 | 2.5 | 1 | 7.5 | 13 350 |   | 2 | 50 | 3.0 | 2 | 15.0 | 13 325 |   | 3 | 50 | 3.5 | 3 | 22.5 | 13 240 |   | 4 | 50 | 4.0 | 4 | 30.0 | 14 685 |   | 5 | 60 | 2.5 | 2 | 22.5 | 12 907 |   | 6 | 60 | 3.0 | 1 | 30.0 | 13 127 |   | 7 | 60 | 3.5 | 4 | 7.5 | 13 350 |   | 8 | 60 | 4.0 | 3 | 15.0 | 13 572 |   | 9 | 70 | 2.5 | 3 | 30.0 | 11 237 |   | 10 | 70 | 3.0 | 4 | 22.5 | 12 015 |   | 11 | 70 | 3.5 | 1 | 15.0 | 12 907 |   | 12 | 70 | 4.0 | 2 | 7.5 | 13 137 |   | 13 | 80 | 2.5 | 4 | 15.0 | 9 965 |   | 14 | 80 | 3.0 | 3 | 7.5 | 10 791 |   | 15 | 80 | 3.5 | 2 | 30.0 | 10 846 |   | 16 | 80 | 4.0 | 1 | 22.5 | 10 902 |   | k1 | 13 650 | 11 864 | 12 571 | 12 657 |  |   | k2 | 13 239 | 12 314 | 12 553 | 12 442 |   | k3 | 12 324 | 12 585 | 12 210 | 12 266 |   | k4 | 10 626 | 13 074 | 12 503 | 12 473 |   | R | 3 024 | 1 209 | 361 | 391 |  | 
	
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