Textbook in PDF format This book encompasses various approaches to electrochemical water treatment, emphasizing a well-structured framework within the nexus of electrochemistry, water, and energy. It addresses the urgent challenges of water scarcity and pollution and offers practical insights and operational guidance on removing pollutants and preserving water resources through water purification. Applications and real-life case studies support the innovative nature of electrochemical processes as a sustainable and efficient alternative. The user-friendly approach makes this book accessible to a broad audience, being a specialist seeking advanced techniques or a concerned citizen