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1、CHARACTERIZATIONOFSINTEREDPOROUSACTIVATEDCARBONBLOCKSFORDRINKINGWATERFILTRATIONI.CVIJOVI],O.DIM^I]*ANDD.BO@I]**DepartmentofMaterialScience,InstituteofNuclearSciences„Vinča“,P.O.Box522,11001Belgrade,Serbia,ivanac@vin.bg.ac.yu*Technoconfilterd.o.o.,BulevarMih
2、ailaPupina165a,11070Belgrade,Serbia,olivera.dimcic@tcfbeograd.com**DepartmentofMaterialScience,InstituteofNuclearSciences„Vinča“,P.O.Box522,11001Belgrade,Serbia,dbozic@vin.bg.ac.yuABSTRACTTheaimofpresentresearchwastoachieveahot-pressingtreatment,withdefined
3、processparameters,whichwillinsureproductionofthesinteredactivatedcarbon(AC)cylindricalblocksfordrinkingwaterfiltration.Generally,ouraimwastoobtaincleananduncontaminatedwater,refinedfromhighchlorinecontentandsubstancesresponsibleforthewateraroma,colourortast
4、e.ConductedresearchincludedACandpolyethylenepowderscaracterization,mixedpowdershot-pressingtreatmentandobtainedporouscompactblockscharacterizationandanalysis.Scanningelectonmicroscopy(SEM)wasusedformicrostructuralcharacterization,whileBETanalysiswasconducte
5、dinordertodeterminespecificsurfaceareaofobtainedporouscompacts.Bindingmaterialcontentandhot-pressingpressureasafunctionofwaterflowdurationthroughtheporouscylinderwerealsodetermined.ResultsobtainedduringthisresearchshouldcontributetobetterunderstandingoftheA
6、Cconsolidationprocedureinordertoexpandapplicationofactivatedcarbonproductsusedinthewaterrefinementpurposes.Keywords:SinteredACblocks,Drinkingwaterfiltration,Hot-pressing,SEM,BETanalysisIntroductionActivatedcarbon(AC)isoneofthemostcommonlyusedmaterialsforche
7、micalfiltration,whenwaterpollutionisconcerned[1].ForthewaterfiltrationACcanbeusedintheformoflowpackedpowder,granulates,orintheshapeofsinteredcompacts,blocks[2].IncomparisonwiththegranularAC,compactedblocksaremoreeffectiveinwaterfiltrationbecauseoftheirabili
8、tytoadsorbhigherconcentrationsofvariousharmfulsubstances(e.g.chlorine,pesticides,industrialchemicalsandvariousorganicchemicals),uniformityoftheirpores,dimensionalstabilityandmicrobiologicalfiltrationab
