Unit operations are an area of engineering that is at the same time very fascinating and most essential for the industry in general and the food industry in particular. This book was prepared in a way to achieve simultaneously the academic and practical perspectives. It is organized into two parts: the unit operations based on equilibrium processes and the mechanical operations. Each topic starts with a presentation of the fundamental concepts and principles, followed by a discussion of the main applications, type of equipment, operating principles, methods of solving the engineering...

Drying food is an ancient practice, and today is one of the most commonly applied conservation methods for foods, both from animal or vegetable origin, due to the many advantages it presents. Given the importance attached to this operation of food technology this e-book aims to make a relatively simple but still comprehensive approach to the drying operation. The topics addressed include: the major regulatory mechanisms of heat and mass transfer and the transfer properties in drying; water activity and sorption isotherms; drying kinetics; the most relevant used methods of drying; examples of...