Multiphase Reactors

Jan Harmsen is an experienced chemical engineer. He graduated from Twente University in 1977. Since then, he engaged in multiphase reactor development, process research, process development, process design, process start-up and debottlenecking in Shell. He also has over 25 years of experience in teaching sustainable product and process design for MSc, PhD, and PDEng students, at Delft University and Groningen University and also on process scale-up for industrial practitioners. In his career he engaged in three-phase reactor development; fixed bed, moving bed, biomass fermentation to ethanol, xanthan gum fermentation, fluid bed shale oil retorting, heat transfer in fluid beds, three-phase reactive distillation de-bottlenecking, crystallization start-up optimization by dynamic modelling, reactive distillation, and dividing wall distillation. Since 2010 he is an independent consultant for Harmsen Consultancy, providing advice, and courses on: sustainable product and process innovation, sustainable product and process concept design, process intensification concept design, industrial process scale-up, and industrial unit operations scale-up. He is (co) author of several books and articles.