Novel Zn3(PO4)2 modified ZnO (ZnP/ZnO) photocatalyst was prepared and characterized by surface analytical techniques. The photocatalytic degradation of toxic dye Basic Violet 10 (BV 10) was carried out under natural sun light irradiation. This composite material signifies maximum photocatalytic activity (98%) at pH 7. The effect of operational parameters such as catalyst concentration, initial pH and dye concentration were discussed in details. The reusability of ZnP/ZnO was tested up to five runs, and there was no significant change in the activity at fifth run compared with fresh catalyst. Hence, this catalyst can be reused for continuous treatment of wastewater.
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2022: 6.012
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