This book presents select proceedings of the Indian Chemical Engineering Congress (CHEMCON-2021) under the theme "Sustainable Utilization of Resources for Chemical Mineral Sectors". It covers broad topics such as chemical reaction and processes, material science and engineering, coal and mineral processing, pyro- and hydro-metallurgical processes, environmental engineering and waste management, advanced engineering, and energy materials. This book is useful for the researchers, professionals, and policymakers interested in sustainable utilization of chemical and mineral resources.