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sz-sinomaPreparationofModifiedAttapulgiteClayandTreatmentofDyeingWastewaterMuShujie(VocationalandTechnicalCollege,LiaoningUniversityofPetroleumChemicalTechnology,Fushun113001,China)Abstract:Theattapulgiteclayistakenastheexperimentalmaterial.Attapulgiteclayismodifiedbyaluminumchloride(AlCl3),theeffectofthedosageofmodifiedattapulgiteclay,pHandthecontactingtimefordyeingwastewaterwasinvestigated.Theresultshowsthatthediscoloringratecanbe98%withthedosageofmodifiedattapulgiteclay50g/L,thecontactingtimeis40min,pHis3andthereactiontemperatureis25Thistechnologyhasadvantagesofgoodtreatmentefficiency,easyoperation,andsoon.Inaddition,thethermalregenerationisthebestregenerationmethodofattapulgiteclay.Keywords:attapulgiteclay;adsorption;discoloratio;dyeingwastewatersz-sinomasz-sinoma