Technological Applications of Ionic Liquids serves as a comprehensive guide to the applications of ionic liquids (ILs) as green alternatives to hazardous chemicals in various industrial processes. The book details the unique physical and chemical properties of ionic liquids and why this makes them invaluable in many crucial chemical processes and techniques such as organic synthesis, biomass processing, nanotechnology, pharmaceuticals, energy storage, and separation technologies. Each chapter delves into specific applications, detailing synthesis methods, environmental benefits, and challenges, thereby serving as a valuable guide for both academic and industrial researchers. In addition, the book also addresses the toxicity and sustainability of ILs, paving the way for their safe integration into future sustainable chemical practices and technologies.