Catalysts in Chemical Oxidation/Advanced Oxidation Processes (AOP) for Water Purification and Recovery

Dear Colleagues,

Today, the entire world is facing drinking water scarcity owing to the contamination of groundwater and the discharge of untreated or partially treated industrial wastewater. As is known, some of the refractory organic pollutants or emerging contaminants found in water are difficult to degrade using conventional treatment techniques. To address this issue, the application of catalysts in chemical oxidation/advanced oxidation processes (AOPs), which have recently attracted substantial attention, provides a viable and effective option for attenuation due to the possibility of oxidizing a wide range of toxic or refractory organics.

Catalytic technology has undoubtedly led the scientific advancement of catalysts and catalytic processes over the past few decades. The most evident advantage of the catalytic oxidation process in the field of wastewater treatment is the highly efficient generation of reactive oxygen species (ROS, e.g., hydroxyl radicals (^•OH), sulfate radicals (SO₄^•–), and others), which can effectively attack and degrade target pollutants. In this way, catalysis in chemical oxidation/AOPs plays an important role by transforming pollutants into carbon dioxide, water, and inorganics or, at the very least, into harmless products. Use of this process is viewed as a sustainable approach due to the possibility to increase reaction rates and shorten reaction times. It is worth mentioning that the design, discovery, and preparation of novel catalysts as well as exploration of the catalytic reaction mechanism will play a key enabling role in creating more efficient technologies for water purification.

We welcome submissions to this Special Issue “Catalysts in Chemical Oxidation/Advanced Oxidation Processes (AOPs) for Water Purification and Recovery” in the form of original research papers, reviews, or communications that highlight promising recent research and novel trends in the application of catalysts in chemical oxidation/AOPs for water treatment and purification.

Prof. Dr. Hui Zhang
Dr. Yin Xu
Dr. Zhihong Ye
Guest Editors

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