The method that converts a solution or mixture of chemical substances into two or more distinct product mixtures is known as the separation process. It plays a significant role in the field of chemistry. Some chemical elements or compounds exist in an impure state of nature. Separation processes exploit differences in physical properties or chemical properties between the constituents of a mixture. They are classified according to the particular differences they use to achieve separation. Multiple operations are used if no single difference can accomplish the desired separation. For analytical or preparative purposes, separation can be done on a small scale such as in a laboratory. Large scale or intermediate scale is only considered for preparative purposes. Some of the processes used in separation chemistry include adsorption, chelation, chromatography, decantation, centrifugation, electrophoresis, fractional distillation, etc. This book explores all the important aspects of separation chemistry in the present day scenario. It strives to provide a fair idea about this discipline and to help develop a better understanding of the latest advances within this field. Coherent flow of topics, student-friendly language and extensive use of examples make this book an invaluable source of knowledge.