Abstract
In this study, we evaluated the photocatalytic activities ofT analyticalT reagentT (AR)T gradeT TiO2T toT identifyT aT low-costT photocatalystT forT dyeT degradation.studiedT differentT conditionsT inT theT presenceT ofT TiO2T suspension.T TheT effectofT variousT parametersT suchT asT massT ofT titaniumT dioxide,T dyeT concentrationonT theT photocatalyticT degradationT wereT investigated.T ResultsT showedT that,T thephotocatalyticT degradationT processT wasT highT atT theT beginningT andT thenT decreasedT withT time.T ThisT processT wasT wellT describedT byT pseudo,T firstT orderT kineticsT accordingT toT theT Langmuir-HinshelwoodT model. TheT resultsT explainedT theT photocatalyticT degradationT efficiency,T whichT wasT increasedT byT increasingT catalystT loadingT from0.05T toT 0.3T g/100ml.T ResultsT alsoT showedT thatT theT rateT ofT photocatalyticT degradationT wasT increasedT withT decreasingT dyeT concentration.
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