Photocatalysts for Treatment of Pollutants in Wastewater

Dear Colleagues,

The rising competition for water resources increasingly pushes societies toward water reuse which, without the necessary precautions, may result in potential health risks for humans and the environment. Water scarcity, poor wastewater management, and high water demand for irrigation may transfer significant contaminant loads to farms and possibly to foodstuffs. On the other hand, contaminants of emerging concern (CECs) are even more ubiquitary due to the widespread use of personal care products, pharmaceuticals, drugs etc. all ove the world. The availability of reliable technologies for CECs removal from water and wastewater is a top priority to guarantee access to safe water for people worldwide.

Photocatalysis has recently emerged as an alternative or complementary process for degradation of several pollutants in wastewater. The ability of this advanced oxidation technology to inactivate microorganisms in water has been also widely demonstrated. The overall catalytic performance of the process depends on three factors: light irradiation, photogenerated charge carriers’ separation and transfer, and surface reaction. In order to improve process behaviours several innovative catalysts have been developed in the last years and are being tested in photocatalytic treatments of water and wastewaters

Dr. Giusy Lofrano
Guest Editor

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