改性凹凸棒土的制备及其对印染废水的处理效果

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