A photodegradation process of methylene blue (MB) in aqueous solution using Fe(III)/TiO2-montmorillonite photocatalyst\nis presented. The photocatalyst material was prepared using Indonesian natural montmorillonite in TiO2 pillarization process\nfollowed by Fe(III) ion exchange. Kinetic study on MB degradation was conducted and evaluated by three kinetic models: the\npseudo-first- and second-order equations and the Elovich equation. From the results, it is concluded that the degradation under\nthe photo-Fenton-like process utilizing Fe(III)/TiO2-montmorillonite photocatalyst conformed to the Elovich kinetic model.
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