This book provides a set of methods and new approaches in the field of chemical engineering to implement safer, more fuel-efficient processes both in terms of raw materials and energy consumed, and to make processes more sustainable This concept of sustainable chemical engineering is developed to give all the basics necessary for engineers, research and development, and production. The book also addresses teachers and graduate students in a wide spectrum of disciplines. All the concepts discussed are illustrated with examples and industrial achievements, giving an applied nature to this book.