Abstract
New-fashioned bismuth silver oxide (BSO) perovskite nano-catalysts have been synthesized by a simple and easy co-deposition method, with silver nitrate and bismuth acid sodium as raw materials. Photocatalytic degradation characteristics of tetracycline under UV irradiation and structural transformation on BSO have been studied systematically. The degradation conditions were optimized by single factor experiment and orthogonal experiment. The results show that the highest degradation rate can reach 95.79% and the first-order reaction rate coefficient k = 0.0361 min− 1. During the recycle photocatalytic process, the material structural transformation (BSO is gradually transformed into highly active Bi2O2CO3 after multiple degradation) of the catalyst has been systematically studied.
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