Analysis of closed multivessel batch distillation of ternary azeotropic mixtures using elementary VLE cells |
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| Affiliation: | 2. Department of Chemical Engineering, Norwegian University of Science and Technology, N-7034 Trondheim, Norway;1. Fraunhofer Institute for Industrial Mathematics (ITWM), Fraunhofer-Platz 1, 67663 Kaiserslautern, Germany;2. Laboratory of Engineering Thermodynamics, University of Kaiserslautern, Erwin-Schrödinger-Str. 44, 67663 Kaiserslautern, Germany;1. London Business School, Sussex Place, Regent’s Park, London NW1 5SA, UK;2. Universidad de Castilla-La Mancha, INEI, PEARL, 13071 Ciudad Real, Spain |
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| Abstract: | Introducing the concept of elementary topological cells, we illustrate how vapor-liquid equilibrium (VLE) diagrams like distillation lines and isotherms maps may be used in analysis of the closed (total reflux) multivessel batch distillation column. An indirect level control strategy is implemented that eliminates the need for pre-calculated vessel holdups and makes the closed operating policy flexible and simple to implement in practice. |
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