This book provides a comprehensive guide to the hydrogenation of coal tar and coal tar oils. Robert S. Melichar not only details the process of hydrogenation, but also covers the chemical composition of coal tar and the applications of hydrogenated products. The book is intended for chemical engineers, researchers, and anyone interested in coal tar hydrogenation.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.