某强酸性高浓度砷铜废液的处置及回收工艺研究
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吴莹,于艳杰,方登志,肖淑君,严霄
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Study on disposal and recovery process of a strong acidic waste liquid with high concentrations of arsenic and copper
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Ying Wu,Yanjie Yu,Dengzhi Fang,Shujun Xiao,Xiao Yan
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表5 正交试验结果
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| 编号 | A | B | C | D | 铜回收率/% | 铜渣中铜质量分数/% | | 1 | 1 | 1 | 1 | 1 | 74.32 | 90.30 | | 2 | 1 | 2 | 2 | 2 | 84.24 | 90.52 | | 3 | 1 | 3 | 3 | 3 | 97.00 | 90.87 | | 4 | 1 | 4 | 4 | 4 | 95.86 | 85.32 | | 5 | 2 | 1 | 2 | 4 | 85.00 | 81.23 | | 6 | 2 | 2 | 3 | 1 | 93.00 | 91.32 | | 7 | 2 | 3 | 4 | 2 | 98.52 | 87.33 | | 8 | 2 | 4 | 1 | 3 | 85.15 | 85.35 | | 9 | 3 | 1 | 3 | 2 | 80.96 | 92.12 | | 10 | 3 | 2 | 4 | 3 | 93.25 | 88.90 | | 11 | 3 | 3 | 1 | 1 | 84.68 | 90.00 | | 12 | 3 | 4 | 2 | 4 | 83.65 | 86.25 | | 13 | 4 | 1 | 4 | 3 | 81.00 | 86.15 | | 14 | 4 | 2 | 1 | 4 | 82.96 | 91.20 | | 15 | 4 | 3 | 2 | 1 | 89.00 | 90.25 | | 16 | 4 | 4 | 3 | 2 | 98.50 | 86.77 | | K1 | 87.86 | 80.32 | 81.78 | 85.25 | | | | K2 | 90.42 | 88.36 | 85.47 | 90.56 | | | | K3 | 85.64 | 92.30 | 92.37 | 89.10 | | | | K4 | 87.87 | 90.79 | 92.16 | 86.87 | | | | R | 4.78 | 11.98 | 10.59 | 5.31 | | |
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