改性沸石除磷影响因素的正交试验分析

Analysis of Influencing Factor to Remove Phosphate in Wastewater Using Modified Zeolite

考察沸石的活化温度A、粒径B、用量C、接触时间D及A×B,A×C,B×C之间的交互作用对沸石除磷的影响.实验采用L27(313)的正交试验,通过对实验结果方差及极差分析表明:活化温度、粒径及用量是影响沸石去除磷酸盐的显著因素,显著性排序依次为:A>A×B>B>C>A×C>B×C>D.

The influencing factors to remove phosphate by zeolite are investigated with the L27（3^13） orthogonal test that include the activation temperature（A）, particle（B） and consumption（C）of zeolite, contact time（D） and the interaction of A×B,A×C,B×C. The analysis of variance and range to the result of experiment indicates that the activated temperature, particle and consumption have the remarkable influence to the phosphate removal, and the order of remarkable influence is A〉A×B 〉B 〉C 〉A×C 〉B×C〉D.