改性粉煤灰吸附处理造纸废水实验研究

StudyonAdsorptionTreatmentofPapermakingWastewaterwithModifiedFlyAshDengShuping(VocationalandTechnicalCollege,LiaoningUniversityofPetroleumChemicalTechnology,Fushun113001,China)Abstract:TheflyashismodifiedbysulfateandthemacromolecularflocculantPoly-dimethyl-diallyl-ammoniumchloride(PDMDAAC),theexperimentonthetreatmentforpapermakingwastewaterwithmodifiedflyashabsorptionisconductedbytheorthogonalexperiment.Theresultsshowedthatwhenthepapermakingwastewatertomodifiedflyashratiois4:l,theadsorptiontemperatureis25,theadsorptiontimeis50min,underthevalueofpHis12conditions,theefficiencyofCODcrBOD5andsuspendedsolidsremovalratereachedabout84%80.9%and99%.Thistechnologyhasadvantagesofgoodtreatmentefficiency,easyoperation,andsoon.Keywords:modifiedflyash;orthogonalexperiment;adsorption;papermakingwastewater