沸石对含氮磷生活废水深处理研究

Research on Nitrogen and Phosphorus Wastewater Depth Treatment by Zeolite

本研究采用H型沸石对生活废水进行深处。当沸石投加量为6 g,反应时间为30 min,反应温度为25℃,搅拌速度为30 r/min时,沸石对废水中TN和TP的处理效果最佳,去除率分别是66.7%和80%,两项指标达到污水排放一级A标准。并研究天然沸石、H型沸石和Na型沸石对废水TN和TP去除效果,结果发现,H型沸石处理效果最好,三种沸石的处理均能使废水达到排放一级A标准。

Adopted H-type zeolite to depth treat wastewater.the best conditions were： zeolite adding content 6 g,reaction time 30 min,reaction temperature 25 ℃,stirring speed 30 r/min,the TN and TP removal rate were 66.7 % and 80 % respectively,met A standard of wastewater discharge.three different types of zeolite were adopted to treat wastewater,the results were H-type treatment was best,three zeolite all can made discharge met A standard.