Abstract
This work describes strategies that BiVO4 is introduced to adjust the range of light absorption in the Fenton catalysis. The as-prepared BiVO4/γ-Fe2O3/bentonite (Bi-Fe-Bt) showed a good absorption in both UV and visible regions. Under the best conditions (10 mM H2O2, 0.20 g/L catalyst, 10% Bi-Fe-Bt), the Bi-Fe-Bt displayed to possess superior degradation ability to Rhodamine B (RhB). The catalyst showed high photocatalytic activity (98%) after five reaction cycles, which showed that the magnetic catalyst possessed very stable, and easy to be separated by an external magnetic field. It can potentially provide a pathway to the Fenton catalyst in water treatment.
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