Advanced oxidation processes (AOPs) use chemical treatment to remove contaminants from water by oxidation with hydroxyl radicals. These hydroxyl radicals can be produced using UV light, ozone or hydrogen peroxide, but recently reactions have been developed that use persulfates as the radical source. Persulfates are strong oxidants with flexible in situ activation characteristics, including activation with heat, alkali conditions, electricity, ultrasonic treatment, transition metals, carbon and even organics. Persulfate activation can generate sulfate radicals as well as other reactive species. These reactive species, especially the sulfate radical, can degrade most organic pollutants making them valuable in the fields of water purification, soil remediation, disinfection, sludge dewatering, and other important applications in environmental systems.
Describing recent developments in persulfate-based AOPs, this book aims to provide a summary of environmental applications for persulfate-based AOPs and to guide the reader, in a comprehensive way, through various advanced oxidation processes in environmental applications. Topics include new activation methods, activation mechanisms, and advanced materials for use in activating persulfate-based AOPs for different environmental applications.
Table des matières
Methods of Persulfate Activation for Degradation of Pollutants: Fundamentals and Influencing Parameters; Photo-activated Persulfate-based Advanced Oxidation for Water Treatment; Electrochemical Activation of Persulfate for Organics Pollution Control in Water; The Reactive Oxygen Species in Catalytically Activated Peroxydisulfate; Heterogeneous Activation of Persulfate using Metal and Metal Oxides; Metal-free Carbocatalysis for Persulfate Activation toward Organic Oxidation; Persulfate-based Advanced Oxidation Processes in Environmental Remediation: Theoretical Chemistry Study; Sulfate Radical-based Advanced Oxidation Processes for Water and Wastewater Disinfection; Inactivation of Pathogenic Microorganisms with Sulfate Radical-based Advanced Oxidation Process; Persulfate Application for Landfill Leachate Treatment: Current Status and Challenges; Novel Strategy for Soil Remediation of Contaminated Sites using Persulfate-based Advanced Oxidation Technologies; Persulfate-based Advanced Oxidation Processes in Other Applications
A propos de l’auteur
Dr. Zhao was born at Chongqing, P.R. China. He is currently an Associate Professor of Environmental Engineering at the Chongqing University where he teaches courses on advanced drinking water treatment. His research interests include in the fields of (i) Advanced oxidation technologies for water treatment, (ii) drinking water treatment and purification, (iii) physicochemical phenomena on particle-water interfaces, (iv) transition-metal oxidation and reverse electron transfer reactions, (v) migration and control of emerging contamination in aqueous environment. Dr. Zhao is the author or co-author of over 50 referenced journal publications, 10 conference proceedings, 3 book chapter publications. He has received funding from NNSF, Chinese Ministry of Education, Chongqing science and technology commission.
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