A Textbook of Chemical Technology Volume–I is meant for undergraduate and postgraduate students of chemical engineering and technology. The book explains the basic principles of chemical engineering and operating conditions of chemical plants in India. It includes chapters on all the major inorganic chemical industries, nuclear technology, industrial gases and iron and steel. It also contains a chapter on Small Scale Industry that will assist young entrepreneurs intending to set up small units. With the growing importance of environment protection for chemical industries, details about location from the environmental angle, emission parameters and standards have also been discussed. This book will also serve as a reference for practicing engineers and technologists.