This book is a technical guide to the processes of evaporation and concentration of water in the petroleum and natural gas industries. It covers the physical and chemical properties of crude oil and gas, the mechanisms of thermal and mechanical vaporizers, and the design and operation of various types of evaporators and concentrators. It is a valuable resource for engineers, chemists, and technicians working in the oil and gas sector. 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.