Engineering Aspects of Food Emulsification and Homogenization  book cover
1st Edition

Engineering Aspects of Food Emulsification and Homogenization

ISBN 9781466580435
Published April 24, 2015 by CRC Press
331 Pages 130 B/W Illustrations

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Book Description

Emulsions are found in a wide variety of food products, pharmaceuticals, paints, and cosmetics, thus emulsification is a truly multidisciplinary phenomenon. Therefore understanding of the process must evolve from the combination of (at least) three different scientific specializations. Engineering Aspects of Food Emulsification and Homogenization describes the state-of-the-art technology and brings together aspects from physical chemistry, fluid mechanics, and chemical engineering. The book explores the unit operations used in emulsification and homogenization processes, using fundamental theory from different fields to discuss design and function of different emulsification techniques.

This book summarizes the present understanding of the involved physical–chemical processes as well as specific information about the limits and possibilities for the different types of emulsifying equipment. It covers colloidal chemistry and engineering aspects of emulsification and discusses high-energy and low-energy emulsification methods. The chapters highlight low-energy emulsification processes such as membrane emulsification that are now industrially feasible. Dramatically more energy-efficient processes are being developed, and this book clarifies their present limitations, such us scale-up and achievable droplet sizes.

The present literature on emulsification is, to a large degree, influenced by the division between physical chemistry, fluid dynamics, and chemical engineering. Written by experts drawn from academia and industry, this book brings those areas together to provide a comprehensive resource that gives a deeper understanding of emulsification and homogenization in food product development.

Table of Contents

Scales and Forces in Emulsification

Marilyn Rayner
Emulsion Formation and Instability
Bjørn Bergenståhl
Formulation of Emulsions
Marie Wahlgren, Bjørn Bergenståhl, Lars Nilsson, and Marilyn Rayner
Particle-Stabilized Emulsions
Malin Sjöö, Marilyn Rayner, and Marie Wahlgren
Droplet Breakup in High-Pressure Homogenizers
Andreas Håkansson
High-Pressure Homogenizer Design
Fredrik Innings
High-Pressure Homogenization with Microstructured Systems
Karsten Kåhler and Heike Schuchmann
Rotor-Stator Devices
Karsten Kåhler and Heike Schuchmann
Microchannel Emulsification: Aspects of Droplet Generation, Channel Materials, Operating Conditions, and Scaling-Up Strategies
Isao Kobayashi, Marcos A. Neves, and Mitsutoshi Nakajima
Emulsification with Microsieves and Other Well-Defined Microstructured Systems
Karin Schroën and Akmal Nazir
Formation and Modification of Dispersions Using Shirasu Porous Glass Membranes
Goran T. Vladisavljevič

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Marilyn Rayner graduated with a bachelor’s degree in biological engineering, with a food engineering specialization from the University of Guelph, Canada, in 1999 and earned her PhD in food engineering from Lund University in 2005 on modeling droplet formation in membrane emulsification. Dr. Rayner was awarded the Food Engineer of the Year 2005 from the Institution of Mechanical Engineers, United Kingdom, for her work on predicting the effects of pore geometry on droplet size in membrane emulsification processes. Since then, Dr. Rayner has worked in the area of multiphysics modeling, unit operation, interfacial phenomena, and particlestabilized emulsions, and is currently associate professor in food engineering at Lund University and the founder of two spin-off enterprises in the area of membrane design and particle-stabilized formulations.

Petr Dejmek, a native Czech, graduated as a process engineer from the Technical University in Aachen, Germany, and earned his PhD in food engineering at Lund University, Sweden. After 10 years with Alfa Laval companies in Sweden and Denmark, Dr. Dejmek returned to Lund University to eventually hold a research chair as professor of dairy technology, full professor of food engineering, and department head. As a visiting professor, Dr. Dejmek worked at Tokyo University, ENSIA Massy, Japanese National Food Research Institute, University of Wisconsin, and University of California, Davis. Dr. Dejmek was one of the editors of the International Dairy Journal for 10 years. He is the author of more than 100 publications on varying topics on food technology and engineering and the founder of two spin-off companies.