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Nonlinear Behaviour of a Low-Density Polyethylene Tubular Reactor-Separator-Recycle System

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Häfele,  M.
Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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Kienle,  A.
Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
Otto-von-Guericke-Universität Magdeburg, External Organizations;

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Pushpavanam,  S.
Dep. of Chemical Engineering, Indian Institute of Tech., Madras, Chennai, India;
Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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Citation

Häfele, M., Disli-Uslu, I., Kienle, A., Krishna, V. M., Pushpavanam, S., & Schmidt, C.-U. (2005). Nonlinear Behaviour of a Low-Density Polyethylene Tubular Reactor-Separator-Recycle System. In L. Puigjaner, & A. Espuña (Eds.), European Symposium on Computer Aided Process Engineering - 15 (pp. 1423-1428). Amsterdam: Elsevier.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-9CA4-7
Abstract
The aim of this work is to analyse the nonlinear behaviour of a low-density polyethylene reactor-separator-recycle system. A simplified dynamic model is derived based on the detailed model presented in Häfele (2004). A numerical bifurcation and stability analysis is performed to predict the region of stable operation. As a result multiple steady states and oscillatory behaviour were found. The implications of these findings for practical process operation are discussed. © 2005 Elsevier B.V. All rights reserved. [accessed 2014 January 10th]