%0 Journal Article %T PAC/PAM强化混凝沉淀法处理校园屋面雨水的研究 %A 王丽娟 %A 刘 %A 鑫 %A 靖一丹 %A 陈爱武 %A 刘博川 %J 河北工业大学学报 %D 2018 %R 10.14081/j.cnki.hgdxb.2018.04.018 %X 采用聚合氯化铝(PAC)/阳离子型聚丙烯酰胺(PAM)强化混凝沉淀法对校园屋面雨水处理进行了实验研 究,考察了PAC、PAM投加量、pH、搅拌速度及搅拌时间水力条件对COD、浊度去除率的影响.结果表明: 混合搅拌强度300r/min快速搅拌1min,100r/min中速搅拌2min,60r/min慢速搅拌5min的条件下,PAC的最 佳投加量为60mg/L,PAM的最佳投加量1mg/L;原水样pH在6-7的浊度去除效率达到93.5%,COD去除率达 到63%以上.</br>Enhancedcoagulationprecipitationmethodontreatingtheroofrainwaterofcampususingpolyaluminum chloride(PAC)/cationicpolyacrylamide(PAM)wasstudied.TheeffectsofPAC,PAMdosage,pH,hydraulicconditions suchasstirringspeedandstirringtimeontheremovalrateofCODandturbiditywereinvestigated.Theresultshowsthat theoptimummixingdosageofPACis60mg/L,andtheoptimumdosageofPAMis1mg/L,whenthequicklystirring time is1min with mixing strength of 300r/min, quickly, medium stirring speed is2min with mixingstrengthof 100r/minand5minwithslowlystirringspeedat60r/min.Theremovalefficiencyofrawwaterturbidityreachedabout 93%andtheremovalrateofCODreached65%withpHinthe6-7. %K 高分子混凝剂 %K 聚铝 %K 聚丙烯酰胺 %K 絮凝 %K 雨水< %K /br> %K polymercoagulant %K polyaluminum %K polyacrylamide %K flocculation %K rainwater %U http://zrxuebao.hebut.edu.cn//oa/darticle.aspx?type=view&id=201804018