Exploiting the natural potential of romanian kaolin clay. Adsorption capacity improvement through heat treatment

摘要

Claysareverypromisingmaterialstobeusedinthedomainofenvironmentalremediationduetotheirgoodadsorptionpropertiesofbothorganicandinorganicions.ThepresentstudyanalyzesthepossibleenhancementsofaRomaniankaolintypeclay`scapacitytoadsorborganicmolecules.Theacquiredmaterialwascalcinatedat350deg;Cand500deg;CandthencharacterizedbyFouriertransforminfraredspectroscopy(FTIR)andX-raydiffraction(XRD).ThetestswerecarriedoutonamethyleneblueaqueoussolutionandUV-Visiblespectroscopywasusedtodeterminethedyeconcentrationofthesolutionbeforeandafterconductingtheexperiments.