Title : Photocatalytic treatment of dye wastewater: A sustainable approach to protecting aquatic biodiversity

Dye wastewater from textile and other dye-related industries is a serious environmental problem due to its strong colour, complex chemical composition, and harmful effects on aquatic ecosystems. When untreated wastewater is released into rivers, lakes, or other water bodies, it can reduce light penetration and disturb photosynthesis, affecting aquatic plants, microorganisms, fish, and other wildlife. Some dye compounds can persist in the environment and may enter aquatic food chains, creating additional risks to biodiversity and wildlife conservation. In this study, photocatalysis was investigated as a treatment method for dye wastewater. The treated wastewater showed a noticeable improvement in quality, particularly through effective colour removal and degradation of dye-related pollutants. The obtained results indicate that the photocatalytic process can break down dye molecules and reduce the pollution load of the wastewater. This is particularly important from a wildlife conservation perspective, as reducing the release of untreated dye pollutants can help protect aquatic organisms and their natural habitats. Better wastewater quality may also support healthier aquatic ecosystems and reduce the long-term ecological stress caused by industrial discharges. The results of this study demonstrate the potential of photocatalysis as an effective approach for treating dye wastewater. By improving effluent quality before discharge, photocatalytic treatment can contribute to pollution control, protection of aquatic biodiversity, and sustainable management of industrial wastewater. Therefore, integrating photocatalytic treatment with appropriate wastewater management practices may provide environmental benefits beyond pollution reduction, particularly in the conservation of wildlife and aquatic ecosystems.

Keywords: Photocatalysis, Dye wastewater, wildlife, conservation, Biodiversity

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