The aim of this book is to present researches that have transformed the discipline of materials recycling and aided its advancement. It unravels the recent studies in this field and provides in-depth knowledge about the various techniques and concepts related to it. Materials recycling refers to the process of converting waste materials into re-useable goods, so as to reduce the rapid growth of waste and minimize the use of new raw materials and in turn control air, water, soil and other types of pollution. This process is based on the three R’s namely re-use, re-cycle and reduce. This book consists of contributions made by international experts. It provides significant information of this discipline to help develop a good understanding of this area and related topics. It will help the readers in keeping pace with the rapid changes in this field. This book is appropriate for students seeking detailed information in this area as well as for engineers, researchers and professionals associated with materials recycling at various levels.