超声波辅助法制备纳米FeS及处理酸性含铬废水试验

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

Preparation of nano FeS by ultrasonic assisted method and treatment of acid chromium containing wastewater

Junzhen Di,Wenqi Zhao,Jianguo Yang,Yaxin Lü,Yu Yang,Fankang Meng,Xianjun Wang,Zengxin Li,Jianzhi Guo,Guoliang Jiang,Yang Cao

表3 Cr（Ⅵ）和总铬去除率的极差分析

类别 Cr（Ⅵ）去除率 总铬去除率 A B C A B C 均值1 70.033 77.200 73.317 63.167 70.033 63.300 均值2 78.733 73.433 74.933 70.383 57.350 61.000 均值3 70.767 71.900 74.283 58.817 64.983 68.067 极差（R） 7.966 5.300 1.616 11.566 12.683 7.067