Dynamic simulation of a tubular reactor for the production of low-density polyethylene using adaptive method of lines |
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| Institution: | 1. Max-Planck-Institute for Dynamics of Complex Technical Systems, Sandtorstr. 1, 39106 Magdeburg, Germany;2. Chair for Automation/Modeling, Otto-von-Guericke University of Magdeburg, Universitätsplatz 6, 39106 Magdeburg, Germany;3. BASF AG, 67056 Ludwigshafen, Germany;4. Basell Polyolefine GmbH, 50387 Wesseling, Germany;1. \"Laboratoire d''Automatique, Faculte Polytechnique de Mons, Boulevard Dolez 31, Mons 7000, Belgium\";2. Lehigh University, Bethlehem, PA 18015, USA |
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| Abstract: | The dynamic mathematical model of a tubular reactor for the production of low-density polyethylene (LDPE) is introduced and simulation studies of a LDPE plant are presented. The plant consists of the tubular reactor, compressors, heat exchangers and material recycles. The overall model formulation comprises differential, partial differential and algebraic equations. This model formulation is transformed into a DAE system using an adaptive method of lines approach, where the grid points may change their position but their number remains constant. With this technique a solution on a standard PC is possible. |
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