This book gives an overview of Fenton process principles, explains the main factors influencing this technology, includes applications, kinetic and thermodynamic calculations, presents a strong overview on the heterogeneous catalytic approach, and shows how the iron-based heterogeneous Fenton process can be suitable for wastewater treatment.

Dominika Bury is a PhD student at the Warsaw University of Technology (WUT), Faculty of Materials Science and Engineering, Department of Ceramic and Polymer Materials. Her research focuses on the ef¿ciency of the heterogeneous Fenton process with iron catalysts in degradation cosmetic wastewater.

Michal Jakubczak is a PhD student at the Warsaw University of Technology (WUT), Faculty of Materials Sciences and Engineering, Department of Ceramic and Polymer Materials. His research focuses on ecotoxicology and antibacterial properties of 2D nanomaterials, mostly MXenes.

Jan Bogacki, PhD, is an assistant professor in the Department of Informatics and Environmental Quality Research, Faculty of Building Services, Hydro, and Environmental Engineering at the Warsaw University of Technology (WUT). He earned a PhD at the Warsaw University of Technology and is the author of 50 scienti¿c publications.

Piotr Marcinowski, PhD, is an assistant professor in the Department of Informatics and Environmental Quality Research, Faculty of Building Services, Hydro, and Environmental Engineering at the Warsaw University of Technology (WUT). He earned a PhD in 2002 at the Warsaw University of Technology and is the author of 40 scienti¿c publications.

Agnieszka Jastrzebska, PhD, DSc, is a professor at the Warsaw University of Technology (WUT). She leads an interdisciplinary research team at the Faculty of Materials Science and Engineering, Department of Ceramic and Polymer Materials. Her research concentrates on nanotechnology for bioactive materials with multifunctional hybrid nanocomposite structures.

1. Introduction. 2. Fenton Process Principles. 3. Catalysts. 4. Nanomaterials. 5. Application and Efficiency of the Process. 6. Factors Influencing the Effectiveness of the Process. 7. Reactors in the Heterogeneous Fenton Process. 8. Kinetics of the Process and Thermodynamical Aspects. 9. Toxicity of the Catalyst and Products Formed in the Process. 10. Reusability of Catalyst. 11. Economical Aspects and Hydrogen Production. 12. Perspective and Summary.