This book addresses the evolutionary stage of Chemical Engineering and provides an overview to the state of the art and technological advancements. Chemical Engineering applications have always been challenging. Optimization of plausible solutions to problems in economic manner through technology is worth. The script has been designed to enable the reader to access the desired knowledge on fundamentals and advancements in Chemical Engineering in a single text. The molecular perspective of Chemical Engineering is increasingly becoming important in the refinement of kinetic and thermodynamic molding. As a result many of the theories, subject matters and approaches are being revisited and improved. The approach to industrial problems has been reviewed.