This book provides bioremediation of textile dye wastewater using different biological methods, which are being viewed as a major weapon against environmental damage. The present book deals with such information from introductory to research. This book is aimed at providing information at various levels, from introductory to research aspects, including general concepts of dye wastewater, hazards of dye wastewater, treatment technologies and use of different bioprocesses to treat dye wastewater. It is also aimed at benefiting readers of different backgrounds, including engineers and scientists.