ApplicationResearchProgressofDiatomitePurification&ModificationWangHongli,DongJinfang,DuGaoxiang(CollegeofMaterialScienceandEngineeringofChinaUniversityofGeoscience,Beijing100083)Abstract:Diatomitehavebeenwidelyusedinsewagetreatment,environmentalfriendlybuildingmaterials,catalyticagentsupport,etc.Thispaperstudiesontechnologyofdiatomitepurification,surfacemodificationandthecurrentsituationofapplicationbyreferringtoalotofrecentliteratures,domesticandoverseas,combinedwithexperimentalresearch.Also,thefutureofdiatomiteapplicationisprospected.Keywords:diatomite;purification;activation;modification;applicationBaojiaoGao,PengfeiJiang,FuqiangAn,ShuyingZhao,ZhenGe.Studiesonthesurfacemodificationofdiatomitewithpolyethyleneimineandtrappingeffectofthemodifieddiato-miteforphenol[J].AppliedSurfaceScience,2005,250(1-4):273-279.JinluWu,Y.S.Yang,JinhuaLin.Advancedtertiarytreatmentofmunicipalwastewaterusingrawandmodifieddiatomite[J].JournalofHazardousMaterials,2005,127(1-3):196-203.MajedaA.M.Khraisheh,YahyaS.Al-degs,WendyA.M.Mcminn.Remediationofwastewatercontainingheavymet-alsusingrawandmodifieddiatomite[J].ChemicalEngineer-ingJournal,2004,699(2):177-184.gggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg@126.com