Simulation of a low temperature water gas shift reactor using the heterogeneous model/application to a pem fuel cell

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In the last few years, a renewed interest in the water gas shift (WGS) reaction at low temperature has arisen due to its application to fuel cells. In this work, a simulation of a fixed bed reactor for this reaction, which forms part of a hydrogen production-purification train for a 10 kW PEM fuel c...

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Detalles Bibliográficos
Autor principal: Giunta, P.
Otros Autores: Amadeo, Nora Elvira, Laborde, M.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2006
Acceso en línea:Registro en Scopus
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Aporte de:Registro referencial: Solicitar el recurso aquí
Biblioteca Central Dr. Luis F. Leloir (FCEN) de Universidad de Buenos Aires
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100 1 |a Giunta, P. 
245 1 0 |a Simulation of a low temperature water gas shift reactor using the heterogeneous model/application to a pem fuel cell 
260 |c 2006 
270 1 0 |m Laborde, M.; Chemical Engineering Department, School of Engineering, Universidad de Buenos Aires, Pabellon Industrias, Ciudad Univ., 1428 Buenos Aires, Argentina; email: miguel@di.fcen.uba.ar 
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506 |2 openaire  |e Política editorial 
520 3 |a In the last few years, a renewed interest in the water gas shift (WGS) reaction at low temperature has arisen due to its application to fuel cells. In this work, a simulation of a fixed bed reactor for this reaction, which forms part of a hydrogen production-purification train for a 10 kW PEM fuel cell using ethanol as the raw material, was carried out. A commercial Cu/Zn/Ba/Al2O3 catalyst was employed and a one-dimensional heterogeneous model was applied for the simulation. The catalyst deactivation due to thermal factors (sintering) was taken into account in the model. Isothermal and adiabatic regimes were analyzed as well. Results of the simulation indicate that the pellet can be considered isothermal but temperature gradients in the film cannot be disregarded. On the other hand, concentration gradients in the film can be ignored but CO profiles are established inside the pellet. Adiabatic operation can be recommended because of its simplicity of operation and construction. The reactor volume is strongly sensitive to the CO outlet concentration at CO levels lower than 6000 ppm. For a 10 kW PEM fuel cell, using adequate pellet size and taking into account the catalyst deactivation, a reactor volume of 0.64 l would be enough to obtain an outlet CO concentration of about 7160 ppm. This concentration value can be handled by the next purification stage, COPROX. © 2005 Elsevier B.V. All rights reserved.  |l eng 
536 |a Detalles de la financiación: Universidad de Buenos Aires 
536 |a Detalles de la financiación: Abengoa 
536 |a Detalles de la financiación: Agencia Nacional de Promoción Científica y Tecnológica 
536 |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas 
536 |a Detalles de la financiación: CYTED Ciencia y Tecnología para el Desarrollo 
536 |a Detalles de la financiación: The authors acknowledge the financial support of University of Buenos Aires, ANPCyT, CONICET, CYTED and Química Abengoa. Appendix A A.1 
593 |a Chemical Engineering Department, School of Engineering, Universidad de Buenos Aires, Pabellon Industrias, Ciudad Univ., 1428 Buenos Aires, Argentina 
690 1 0 |a FUEL CELL 
690 1 0 |a HYDROGEN PRODUCTION 
690 1 0 |a WGS REACTOR DESIGN 
690 1 0 |a CATALYSTS 
690 1 0 |a COMPUTER SIMULATION 
690 1 0 |a CONCENTRATION (PROCESS) 
690 1 0 |a FUEL CELLS 
690 1 0 |a MATHEMATICAL MODELS 
690 1 0 |a THERMAL EFFECTS 
690 1 0 |a HYDROGEN PRODUCTION 
690 1 0 |a PELLETS 
690 1 0 |a REACTOR VOLUME 
690 1 0 |a WATER GAS SHIFT (WGS) REACTOR DESIGN 
690 1 0 |a CHEMICAL REACTORS 
700 1 |a Amadeo, Nora Elvira 
700 1 |a Laborde, M. 
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