Abstract
With the booming industry, the demand for dyes has increased dramatically and the discharge of wastewater containing dyes has also increased dramatically. Owing to the multi-pore nature and stabilization of UiO-66, the relatively small band gap of Bi2O3 and the good magnetic properties of Fe3O4, Fe3O4@UiO-66@Bi2O3 has good efficiency and reusability to remove methyl orange (MO). The maximum degradation rate is 83.26%, and the magnetic properties of Fe3O4 solved the problem of difficult recovery of UiO-66 as a nanomaterial with a recovery rate of 98.79%. In this work, the results showed that the Fe3O4@UiO-66@Bi2O3 catalysts composite increased the specific surface area, improved the separating efficiency of both holes and electrons as well as significantly enhanced the photo-catalytic efficiency in comparison to single Fe3O4@UiO-66 and Bi2O3@UiO-66 materials. The photocatalytic decomposition procedure is consistent with the primary reaction kinetics. The outcomes suggest that Fe3O4@UiO-66@Bi2O3 (FUB) is a strong contender for the removal of MO.
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