Spray Drying

Bücher

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Spray drying produces engineered powders in one step from liquid feeds with applications across numerous industries. One major problem in spray drying is potential deposition of particles on the internal wall of the spray chamber. Such a problem can be severe if the operating parameters for a particular new feed is not known or if modifications are to be made in existing operations. The first part of this book introduces a rapid systematic approach to optimize the operation of a spray dryer. A new concept is introduced to reduce deposition via dryer wall surface energy manipulation. A second approach in reducing wall deposition and also as a good modeling tool for spray drying is Computational Fluid Dynamic (CFD) simulation of the process. This book focuses on three aspects of spray dryer CFD simulations: droplet drying models, airflow model and model for product deposition. The ideas and concepts introduced in this book will be useful for engineers and scientists working on the wall deposition problem, optimal operation of a spray dryer as well as CFD modelling of the process.