BiVO4-based photoanodes for the photoelectrocatalytic removal of trace organic pollutants from water: A mini review on recent developments

IF 6.7 Q1 ENVIRONMENTAL SCIENCES

Current Opinion in Environmental Science and Health Pub Date : 2025-03-21 DOI:10.1016/j.coesh.2025.100615

Agha Zeeshan Ali , Sanjeeb Mohapatra , Jan Peter van der Hoek , Henri Spanjers

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Abstract

This mini review explores the potential of visible light–driven bismuth vanadate (BiVO₄)-based photoanodes for removing trace organic pollutants from water. It highlights the advantages of using BiVO₄-based photoanodes over conventional UV-driven photoanodes in water treatment. The mechanism of reactive species generation through water oxidation is discussed. The review also highlights the role of sulfate and sulfite radicals in enhancing pollutant degradation. Furthermore, it evaluates how heterojunction formation improves the removal efficiency of BiVO₄-based photoanodes by reducing charge carrier recombination. Limited research on BiVO₄-based photoanodes for the simultaneous removal of multiple organic pollutants at low concentrations (<1 mg L⁻¹) from real wastewater is identified as a key knowledge gap. Addressing this gap could advance the application of BiVO₄-based photoanodes in photoelectrocatalytic-based advanced oxidation processes.

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bivo4基光阳极用于光电催化去除水中痕量有机污染物的研究进展

这篇微型综述探讨了基于可见光驱动的钒酸铋（BiVO4）光阳极去除水中痕量有机污染物的潜力。它强调了在水处理中使用基于 BiVO4 的光阳极比使用传统紫外光驱动光阳极的优势。讨论了通过水氧化产生活性物种的机理。综述还强调了硫酸根和亚硫酸根自由基在促进污染物降解方面的作用。此外，它还评估了异质结的形成如何通过减少电荷载流子重组来提高基于 BiVO4 的光阳极的去除效率。对基于 BiVO4 的光阳极同时去除实际废水中低浓度（1 毫克/升）的多种有机污染物的研究有限，这是一个关键的知识缺口。填补这一空白可推动基于光电催化的高级氧化过程中基于 BiVO4 的光阳极的应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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