Harnessing the unique capabilities of exoelectrogenic bacteria, microbial electrochemical systems (MES) generate electricity without external energy input. This offers a sustainable solution for producing the reactive oxygen species needed for advanced oxidation processes for water treatment. Delve into this cutting-edge technology with our comprehensive guide tailored for environmental engineers and water treatment professionals. From pioneering lab research to tackling scalability challenges for pilot and industrial applications, this book offers invaluable insights into maximizing the potential of MES. Explore the future of pollutant treatment and embrace eco-friendly solutions with this essential resource.