Wastewater treatment is designed for teaching in advanced wastewater treatment at universities and in companies. The book provides a basis for process understanding, design, and optimization of operation and is furthermore a guide in troubleshooting for advanced wastewater operators at municipal and industrial wastewater treatment plants. Today, you can find massive information on all topics on the Internet, including wastewater treatment. Therefore, it justifies this book even more, crystallizing the important basic scientific knowledge on treatment mechanisms and design.