Abstract
The rapid and widespread increase in pharmaceutical micropollutants (PMPs) poses a significant and immediate threat to ecosystems and human health globally. With the demand for clean water becoming increasingly critical, particularly amid escalating global water scarcity challenges, there is an urgent need for innovative approaches. Among the potential solutions, metal oxide photocatalysts such as titanium dioxide-based (TiB) and zinc oxide-based (ZnB) have garnered attention due to their cost-effectiveness, efficient photodegradation capabilities, and inherent stability. This comprehensive review explores recent advancements in the application of TiB and ZnB for the removal of PMPs from wastewater. It examines the multifaceted impacts of PMPs on environmental and public health, evaluates various techniques for their removal, and assesses design strategies aimed at maximizing the photocatalytic efficiency of TiB and ZnB. The mechanisms responsible for the photocatalytic degradation of pharmaceutical micropollutants using TiB and ZnB photocatalysts are comprehensively detailed. Finally, the review outlines the prospects and challenges associated with the use of TiB and ZnB photocatalysts for the removal of PMPs from wastewater. It emphasizes their potential to effectively mitigate PMP contaminants and make substantial contributions to sustainable water management practices in the face of escalating environmental and public health concerns.
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