Construction of dual Z-scheme Ag3VO4-BiVO4/InVO4 photocatalysts using vanadium source from spent catalysts for contaminated water treatment and bacterial inactivation

doi:10.1016/j.chemosphere.2024.142746

淡江大學機構典藏 > 工學院 > 化學工程與材料工程學系暨研究所 > 期刊論文 > Item 987654321/127780

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題名:	Construction of dual Z-scheme Ag3VO4-BiVO4/InVO4 photocatalysts using vanadium source from spent catalysts for contaminated water treatment and bacterial inactivation
作者:	Lee, Kuen Chan;Hsu, Shih Chieh;Huang, Jen Hsien;Wang, Kuan Syun;Pang, Wei Kong;Hu, Chih Wei;Jiang, Yi Jhen;Cho, Er Chieh;Weng, Huei Chu;Liu, Ting Yu
關鍵詞:	AgVO/BiVO/InVO;Bacterial inactivation;Photocatalyst;Vanadium recovery;Z-scheme
日期:	2024-07-03
上傳時間:	2025-09-17 12:06:09 (UTC+8)
摘要:	Vanadate-based photocatalysts have recently attracted substantial attention owing to their outstanding photocatalytic activity for degrading organic pollutants and generating energy via photocatalytic processes. However, the relatively high price of vanadium has hindered the development of vanadate-based photocatalysts for various applications. Spent catalysts obtained from oil refineries typically contain a significant quantity of vanadium, making them valuable for recovery and utilization as precursors for the production of high-value-added photocatalysts. In this study, we transformed the V present in spent catalysts produced by the petrochemical industry into ternary vanadate-based photocatalysts [BiVO4/InVO4/Ag3VO4 (BVO/IVO/AVO, respectively)] designed for water remediation. The ternary composites revealed an enhanced photocatalytic capability, which was 1.42 and 5.1 times higher than those of the binary BVO/IVO and pristine AVO due to the facilitated charge separation. The ternary photocatalysts not only effectively treated wastewater containing various organic dyes, such as methylene blue (MB), rhodamine 6G (R6G), and brilliant green (BG), but also exhibited remarkable photocatalytic performance in the degradation of antibiotics, reduction of Cr(VI), and bacterial inactivation. This paper proposes a feasible route for recycling industrial waste as a source of vanadium to produce highly efficient vanadate-based photocatalysts.
關聯:	Chemosphere Volume 363
DOI:	10.1016/j.chemosphere.2024.142746
顯示於類別:	[化學工程與材料工程學系暨研究所] 期刊論文

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