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Licensed Unlicensed Requires Authentication Published by De Gruyter March 26, 2014

A helicopter view of microwave application to chemical processes: reactions, separations, and equipment concepts

  • Georgios D. Stefanidis

    Georgios D. Stefanidis is an assistant professor at the Chair of Intensified Reaction and Separation Systems of Delft University of Technology. He has supervised several doctoral students and postdoctoral scholars in the areas of (1) microwave-assisted reaction and separation processes, including heterogeneous catalytic reactions, polymerization, distillation, and adsorbent regeneration, and (2) plasma-assisted catalytic reactions and gasification. He is the author of more than 30 peer-reviewed papers, two book chapters, and more than 50 conference papers and abstracts in the broader field of chemical reaction engineering and process intensification. He is the Secretary of the Working Party on Process Intensification at the European Federation of Chemical Engineering and was the Co-Chair of the 4th European Process Intensification Conference (EPIC4, The Hague, The Netherlands, 2013). He also serves on the Editorial Board of the journal Chemical Engineering Processing: Process Intensification.

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    , Alexander Navarrete Muñoz

    Alexander Navarrete Muñoz was born in 1976 in Cali, Colombia. He received his chemical engineering degree from the National University of Colombia in 2001. In 2006, he initiated his PhD at the University of Valladolid, where he developed processes to extract essential oils using microwaves. During this period, he went to the University of Nottingham as part of a sojourn in the Industrial Microwave Processing Group. In 2011, he investigated, as a postdoctoral researcher, plasma gasification processes in the Chair of Intensified Reaction and Separation Systems of Delft University of Technology with the support of the Bill and Melinda Gates Foundation. His research interests include the development of new chemical process concepts that use nonconventional energy forms. Presently, he is employed as a postdoctoral researcher at the University of Valladolid and works on microreactor development for the hydrogenation of CO2 by means of alternative energy forms.

    , Guido S.J. Sturm

    Guido Sturm is employed as a research associate at the Chair of Intensified Reaction and Separation Systems of Delft University of Technology. At that same university, he studied mechanical engineering and continued with a PhD project on the application of microwave fields in small-structured chemical processes. The focus of his PhD work was on the electromagnetic aspects and how these relate to the design of microwave and process equipment. The scientific findings of this work have been published in several peer-reviewed journals. Currently he is involved at the same institute as a postdoctoral researcher with the development of plasma processing systems for waste treatment.

    and Andrzej Stankiewicz

    Prof. Andrzej Stankiewicz is the Director of TU Delft Process Technology Institute and Head of the Chair of Intensified Reaction and Separation Systems at Delft University of Technology. With more than 35 years of industrial and academic research experience, he is the author or coauthor of about 100 publications and holds several patents in the field. He is the coauthor and editor of the world’s first book on process intensification: Re-engineering the Chemical Processing Plant. Andrzej Stankiewicz is also the editor of the journal Chemical Engineering Processing: Process Intensification and the editor of the RSC Green Chemistry book series. He was the founder and the first chairman of the Working Party on Process Intensification at the European Federation of Chemical Engineering. He currently chairs the Board of the European Process Intensification Centre (EUROPIC).

Abstract

We present a helicopter view of microwave technology application to various reaction and separation processes, including liquid-phase organic syntheses, gas-solid catalytic reactions, polymerizations, extraction, distillation, crystallization, membrane separation, and adsorbent regeneration/dehydration. The overarching aim is to demonstrate the breadth of potential applications of microwave technology to chemical industry, with particular attention to separations, as this is a less explored microwave application area. In this context, some key findings, opinions, and developments in the relevant literature are summarized. In addition, the present microwave equipment concepts for chemical processes are critically reviewed and new ones are put forward, as we believe that an important milestone in the road from laboratory-scale microwave experimentation to industrial-scale microwave-assisted chemical processing is the design and development of innovative microwave equipment concepts tailored for specific chemical processes.


Corresponding author: Georgios D. Stefanidis, Intensified Reaction and Separation Systems, Process and Energy Department, Delft University of Technology, Leeghwaterstraat 39, 2628 CB Delft, The Netherlands, e-mail:

About the authors

Georgios D. Stefanidis

Georgios D. Stefanidis is an assistant professor at the Chair of Intensified Reaction and Separation Systems of Delft University of Technology. He has supervised several doctoral students and postdoctoral scholars in the areas of (1) microwave-assisted reaction and separation processes, including heterogeneous catalytic reactions, polymerization, distillation, and adsorbent regeneration, and (2) plasma-assisted catalytic reactions and gasification. He is the author of more than 30 peer-reviewed papers, two book chapters, and more than 50 conference papers and abstracts in the broader field of chemical reaction engineering and process intensification. He is the Secretary of the Working Party on Process Intensification at the European Federation of Chemical Engineering and was the Co-Chair of the 4th European Process Intensification Conference (EPIC4, The Hague, The Netherlands, 2013). He also serves on the Editorial Board of the journal Chemical Engineering Processing: Process Intensification.

Alexander Navarrete Muñoz

Alexander Navarrete Muñoz was born in 1976 in Cali, Colombia. He received his chemical engineering degree from the National University of Colombia in 2001. In 2006, he initiated his PhD at the University of Valladolid, where he developed processes to extract essential oils using microwaves. During this period, he went to the University of Nottingham as part of a sojourn in the Industrial Microwave Processing Group. In 2011, he investigated, as a postdoctoral researcher, plasma gasification processes in the Chair of Intensified Reaction and Separation Systems of Delft University of Technology with the support of the Bill and Melinda Gates Foundation. His research interests include the development of new chemical process concepts that use nonconventional energy forms. Presently, he is employed as a postdoctoral researcher at the University of Valladolid and works on microreactor development for the hydrogenation of CO2 by means of alternative energy forms.

Guido S.J. Sturm

Guido Sturm is employed as a research associate at the Chair of Intensified Reaction and Separation Systems of Delft University of Technology. At that same university, he studied mechanical engineering and continued with a PhD project on the application of microwave fields in small-structured chemical processes. The focus of his PhD work was on the electromagnetic aspects and how these relate to the design of microwave and process equipment. The scientific findings of this work have been published in several peer-reviewed journals. Currently he is involved at the same institute as a postdoctoral researcher with the development of plasma processing systems for waste treatment.

Andrzej Stankiewicz

Prof. Andrzej Stankiewicz is the Director of TU Delft Process Technology Institute and Head of the Chair of Intensified Reaction and Separation Systems at Delft University of Technology. With more than 35 years of industrial and academic research experience, he is the author or coauthor of about 100 publications and holds several patents in the field. He is the coauthor and editor of the world’s first book on process intensification: Re-engineering the Chemical Processing Plant. Andrzej Stankiewicz is also the editor of the journal Chemical Engineering Processing: Process Intensification and the editor of the RSC Green Chemistry book series. He was the founder and the first chairman of the Working Party on Process Intensification at the European Federation of Chemical Engineering. He currently chairs the Board of the European Process Intensification Centre (EUROPIC).

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Received: 2013-10-17
Accepted: 2014-2-6
Published Online: 2014-3-26
Published in Print: 2014-6-1

©2014 by Walter de Gruyter Berlin/Boston

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