Understanding Membrane Distillation and Osmotic Distillation
This book addresses principles and practical applications of membrane distillation and osmotic distillation, separation technologies which are gaining increasing attention due to their advantages over conventional concentration processes.• Addresses membrane and osmotic distillation, two closely related and novel processes that offer several advantages over conventional concentration processes• Has a widespread impact and application of the technology in industries such as food, environment, and nuclear clean-up / containment• Covers theoretical aspects of both processes, the properties of hydrophobic membranes, process economics, integrated processes and future prospects.• Caters the presentation caters for the diversity of readership with respect to links with membrane technologies.
Preface Acknowledgements About The Authors Nomenclature Chapter 1: General Introduction 1.1 Overview of distillation processes 1.2 Membrane distillation (MD) 1.3 Osmotic Distillation (OD) 1.4 MD and OD as alternatives to established stripping processes 1.5 Established stripping processes 1.6 Other membrane processes 1.7 Concluding remarks Chapter 2: Theoretical Aspects Of Membrane Distillation 2.1 Introduction 2.2 MD theory 2.3 MD membrane requirements 2.4 Effect of operating conditions on MD performance 2.5 MD process economics 2.6 Concluding remarks Chapter 3: Theoretical Aspects Of Osmotic Distillation 3.1 Introduction 3.2 OD theory 3.3 OD membrane requirements 3.4 Effect of operating conditions on OD performance 3.5 OD process economics 3.6 Concluding remarks Chapter 4: Properties Of Macroporous Hydrophobic Membranes 4.1 Introduction 4.2 Theoretical aspects of membrane hydrophobicity 4.3 Membrane types 4.4 Fouling of hydrophobic membranes 4.5 Protection against membrane wet-out 4.6 Hydrophobicity restoration 4.7 Membrane module requirements 4.8 Concluding remarks Chapter 5: Membrane Distillation Applications 5.1 Introduction 5.2 Desalination 5.3 Industrial wastewater treatment 5.4 Production of liquid food concentrates 5.5 Miscellaneous applications 5.6 Concluding remarks Chapter 6: Osmotic Distillation Applications 6.1 Introduction 6.2 Fruit and vegetable juice applications 6.3 Other applications 6.4 Concluding remarks Chapter 7: Future Prospects for Membrane Distillation And Osmotic Distillation 7.1 Introduction 7.2 Membrane module design 7.3 Membrane protection against wet-out 7.4 Utilisation of renewable energy sources 7.5 Membrane-based factory processes of the future: A hypothetical example 7.6 End note Index
ROBERT A. JOHNSON, BSC, MSC, PHD (UQ) is a lecturer in Physical Chemistry and Chemical Technology at Queensland University of Technology. Prior to entering academia he was a Research Director at Syrinx Research Institute where he oversaw the development of Osmotic Distillation from a laboratory novelty to the pilot plant stage. MINH H. NGUYEN, BE, GRAD DIP, MSC (UNSW), PHD (UTS) is a Conjoint Associate Professor at the University of Newcastle and an Adjunct Associate Professor at Western Sydney University. He has a lifetime of experience in scientific research and development in industry, research laboratories and university. He was among the pioneers in research and development in membrane technology, in particular membrane distillation and osmotic distillation.
Laboratory chemists use distillation to separate small quantities of individual compounds from each other while industrial operators use this process to effect large-scale separations involving complex materials such as liquid foods, beverages, seawater, petroleum products and factory waste streams. Membrane distillation and osmotic distillation are novel, closely related processes that offer several advantages over conventional distillation processes. This book addresses the principles and applications of membrane distillation and osmotic distillation, separation technologies that are gaining increasing attention for a wide range of industrial applications. Written by leading practitioners of these critical distillation methods, Understanding Membrane Distillation and Osmotic Distillation serves as a key resource for readers involved in chemical engineering, food processing, desalination, wastewater treatment or pollution control. Key benefits of this book include: Discussion of wide-ranging applications in the food, brewing, pharmaceuticals, desalination, wastewater treatment and pollution control industries. Consideration of theoretical and practical aspects, economics and the potential for integrated membrane processes to provide solutions to many separation problems. A complete package for researchers and plant operators.
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