Microplastic Removal from Water and Wastewater: Sustainable Solutions and Circular Economy Approaches: Developments in Wastewater Treatment Research and Processes delves into the urgent issue of microplastic pollution, presenting cutting-edge technologies and eco-friendly strategies to combat this environmental crisis. The book synthesizes scientific research with practical applications, offering insights into the sources and impacts of microplastics while exploring innovative solutions for their removal. It is structured into four key sections, beginning with an introduction to microplastic pollution that details its sources and effects and covers advanced technologies such as biotechnological approaches, nanotechnology, and enzymatic solutions for degradation. Subsequent sections emphasize green chemistry and circular economy principles, showcasing sustainable water treatment methods and waste valorization strategies. Finally, it presents global case studies and discusses policies and future innovations aimed at mitigating microplastic pollution. This is an invaluable resource for researchers, environmental professionals, policymakers, and students in fields such as environmental science, chemistry, and sustainability.