Original articleIlmenite: Properties and photodegradation kinetic on Reactive Black 5 dye

Add time:08/23/2019    Source:sciencedirect.com

Ilmenite is natural mineral ore made up with titanium and iron mineral; including small portion of magnesium and manganese. To the best of our knowledge, photo-degradation of Reactive Black 5 dye (RB 5) using ilmenite under solar irradiation is still lacking. In the present study, the physicochemical properties of ilmenite were characterized by using X-ray diffraction (XRD), Scanning electron microscope (SEM), BET and Raman Spectroscopy. Based on our results obtained, 73% solar-driven photo-degradation of RB 5 was successfully obtained when the catalyst loading increased up to 2.0 g/L for 20 min. In general, the photo-degradation of RB 5 by ilmenite followed first-order kinetics. The pH had a significant effect, with the most rapid degradation occurring at pH less than 7.

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