[炭化活性污泥深度污水处理试验研究]活性污泥污水处理
摘要。以产自日本巴工业株式会社的炭化活性污泥为研究对象,考察了该炭化活性污泥与氯化铁复合使用时对污水深度处理的絮凝吸附效果,并研究了各因素对试验的影响情况。结果表明,在pH值为9,投入15mg/L氯化铁,200r/min搅拌1.5min,再投5g/L炭化活性污泥,60r/min搅拌15min,水样静置30min的条件下,该复合絮凝剂能使水样出水水质中COD、TP达到一级A标准,平均浊度去除率达90%以上,NH3-N平均去除率为25.07%。
关键词:炭化活性污泥;深度处理;复合絮凝剂
中图分类号:X703.5文献标识码:A文章编号:0439-8114(2011)11-2200-04
AdvancedWastewaterTreatmentofSecondaryEffluentswithCarbonizedSludge
YANGXiao-jun1,WUYan-hua2,LIUTai-ling2,wuchang-cheng3,CAIYa-jun1
(1.SchoolofEnvironmentalEngineering,WuhanTextileUniversity,Wuhan430073,China;
2.CentralandSouthernChinaMunicipalEngineeringDesign&Researchinstitute,Wuhan430010,China;
3.wisdriengineering&researchincorporationlimited,wuhan430223,china)
Abstract:theflocculationabsorptioneffectofcarbonizedsludgeproducedbytomoeengineeringco.,ltd.usedaccompanywithfecl3wasstudied.andthefactorsinfluencingtheexperimentalresultswereinvestigated.theresultshowedthatthecodandtpofeffluentcouldmeetstandardainfirstgradeifplunged15mg/lfecl3whenphwas9,andstirredat200r/minfor1.5min,theadded5g/lcarbonizedsludgeandstirredat60r/minfor15minandstandingfor30min.theaverageturbidityremovalratewasabove90%;whiletheaveragenh3-nremovalratewas25.07%.
Keywords:carbonizedsludge;advancedtreatment;compositeflocculant
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