Design implications of the nonlinear dynamics of the monolithic loop reactor for Fischer-Tropsch synthesis

Pietro Altimari; Costin-Sorin Bildea; Ruud Van Ommen; Johan Grievink

Design implications of the nonlinear dynamics of the monolithic loop reactor for Fischer-Tropsch synthesis

Pietro Altimari, Costin-Sorin Bildea, Ruud Van Ommen, Johan Grievink

School of Engineering and Digital Sciences

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The nonlinear behavior of the monolith reactor with a liquid phase recycle for Fischer-Tropsch synthesis is investigated. A dimensionless distributed heterogeneous model is developed to describe reactor dynamics and bifurcation analysis is performed by varying the coolant temperature, the reactor gas inlet flow rate and the effectiveness factor of the external heat exchanger. As system parameters vary, coexisting stationary patterns are observed. Stability analysis of the reactor steady state solution regimes is carried out and Hopf bifurcation points are identified. As a result, periodic spatiotemporal patterns are found to arise in wide regions of the parameter space. The evolution of periodic solution regimes is examined by means of numerical simulation of the reactor model. Implications for operation and control are discussed.

Original language	English
Title of host publication	2008 AIChE Spring National Meeting, Conference Proceedings
Publisher	American Institute of Chemical Engineers
ISBN (Print)	9780816910236
Publication status	Published - Jan 1 2008
Event	2008 AIChE Spring National Meeting, Conference - New Orleans, LA, United States Duration: Apr 6 2008 → Apr 10 2008

Other

Other	2008 AIChE Spring National Meeting, Conference
Country	United States
City	New Orleans, LA
Period	4/6/08 → 4/10/08

Keywords

Fischer-Tropsch
Hopf bifurcations
Monolithic reactor
State multiplicity

ASJC Scopus subject areas

Chemical Engineering(all)
Chemistry(all)

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Design implications of the nonlinear dynamics of the monolithic loop reactor for Fischer-Tropsch synthesis. / Altimari, Pietro; Bildea, Costin-Sorin; Van Ommen, Ruud; Grievink, Johan.

2008 AIChE Spring National Meeting, Conference Proceedings. American Institute of Chemical Engineers, 2008.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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abstract = "The nonlinear behavior of the monolith reactor with a liquid phase recycle for Fischer-Tropsch synthesis is investigated. A dimensionless distributed heterogeneous model is developed to describe reactor dynamics and bifurcation analysis is performed by varying the coolant temperature, the reactor gas inlet flow rate and the effectiveness factor of the external heat exchanger. As system parameters vary, coexisting stationary patterns are observed. Stability analysis of the reactor steady state solution regimes is carried out and Hopf bifurcation points are identified. As a result, periodic spatiotemporal patterns are found to arise in wide regions of the parameter space. The evolution of periodic solution regimes is examined by means of numerical simulation of the reactor model. Implications for operation and control are discussed.",

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N2 - The nonlinear behavior of the monolith reactor with a liquid phase recycle for Fischer-Tropsch synthesis is investigated. A dimensionless distributed heterogeneous model is developed to describe reactor dynamics and bifurcation analysis is performed by varying the coolant temperature, the reactor gas inlet flow rate and the effectiveness factor of the external heat exchanger. As system parameters vary, coexisting stationary patterns are observed. Stability analysis of the reactor steady state solution regimes is carried out and Hopf bifurcation points are identified. As a result, periodic spatiotemporal patterns are found to arise in wide regions of the parameter space. The evolution of periodic solution regimes is examined by means of numerical simulation of the reactor model. Implications for operation and control are discussed.

AB - The nonlinear behavior of the monolith reactor with a liquid phase recycle for Fischer-Tropsch synthesis is investigated. A dimensionless distributed heterogeneous model is developed to describe reactor dynamics and bifurcation analysis is performed by varying the coolant temperature, the reactor gas inlet flow rate and the effectiveness factor of the external heat exchanger. As system parameters vary, coexisting stationary patterns are observed. Stability analysis of the reactor steady state solution regimes is carried out and Hopf bifurcation points are identified. As a result, periodic spatiotemporal patterns are found to arise in wide regions of the parameter space. The evolution of periodic solution regimes is examined by means of numerical simulation of the reactor model. Implications for operation and control are discussed.

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KW - Hopf bifurcations

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KW - State multiplicity

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