超声波辅助法制备纳米FeS及处理酸性含铬废水试验
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狄军贞,赵文琦,杨建国,吕雅欣,杨逾,孟凡康,王显军,李增新,郭建志,姜国亮,曹洋
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Preparation of nano FeS by ultrasonic assisted method and treatment of acid chromium containing wastewater
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Junzhen Di,Wenqi Zhao,Jianguo Yang,Yaxin Lü,Yu Yang,Fankang Meng,Xianjun Wang,Zengxin Li,Jianzhi Guo,Guoliang Jiang,Yang Cao
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表2 正交试验结果
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| 试验编号 | 因素 | Cr（Ⅵ）去除率/% | 总铬去除率/% | | A | B | C | | 1 | 0.22 | （NH4）2Fe（SO4）2·6H2O | 2.5 | 75.10 | 69.70 | | 2 | 0.22 | FeSO4·7H2O | 3.0 | 74.55 | 52.50 | | 3 | 0.22 | FeCl2·4H2O | 3.5 | 69.45 | 67.30 | | 4 | 0.44 | （NH4）2Fe（SO4）2·6H2O | 3.0 | 81.10 | 72.50 | | 5 | 0.44 | FeSO4·7H2O | 3.5 | 78.00 | 69.00 | | 6 | 0.44 | FeCl2·4H2O | 2.5 | 77.10 | 69.65 | | 7 | 0.66 | （NH4）2Fe（SO4）2·6H2O | 3.5 | 75.40 | 67.90 | | 8 | 0.66 | FeSO4·7H2O | 2.5 | 67.75 | 50.55 | | 9 | 0.66 | FeCl2·4H2O | 3.0 | 69.15 | 58.00 |
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