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BiVO4-based photoanodes for the photoelectrocatalytic removal of trace organic pollutants from water

A mini review on recent developments

Review (2025)
Author(s)

A.Z. Ali (TU Delft - Sanitary Engineering)

Sanjeeb Mohapatra (TU Delft - Sanitary Engineering)

J. P. Hoek (Waternet, TU Delft - Sanitary Engineering)

H. Spanjers (TU Delft - Sanitary Engineering)

Research Group
Sanitary Engineering
DOI related publication
https://doi.org/10.1016/j.coesh.2025.100615
More Info
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Publication Year
2025
Language
English
Research Group
Sanitary Engineering
Volume number
45
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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.