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3 正交试验结果
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| 编号 | A | B | C | 砷回收率/% | As2O3质量分数/% | | 1 | 1 | 1 | 1 | 69.23 | 89.15 | | 2 | 1 | 2 | 3 | 55.87 | 90.21 | | 3 | 1 | 3 | 2 | 46.39 | 88.32 | | 4 | 2 | 1 | 3 | 94.87 | 93.93 | | 5 | 2 | 2 | 2 | 75.69 | 92.15 | | 6 | 2 | 3 | 1 | 50.21 | 89.37 | | 7 | 3 | 1 | 2 | 95.15 | 92.98 | | 8 | 3 | 2 | 1 | 77.56 | 88.35 | | 9 | 3 | 3 | 3 | 51.36 | 85.52 | | K1 | 57.16 | 86.42 | 65.67 | | | | K2 | 73.59 | 69.71 | 72.41 | | | | K3 | 74.69 | 49.32 | 67.37 | | | | R | 17.53 | 37.10 | 6.74 | | |
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