Simulation and optimization of methanol autothermal reformer for fuel cell applications

Simulation and optimization of methanol autothermal reformer for fuel cell applications

The physically base study for steady state model for hydrogen production using autothermal reforming of methanol is developed using commercial simulator, Aspen HYSYS 2004.1. The development of the physical model will involve rigorous thermodynamics, and the data from mathematical stoichiometry calcu...

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Main Author: Abdul Rahman, Azmil
Format: Thesis
Language:English
Published: 2006
Subjects:
TP Chemical technology
Online Access:http://eprints.utm.my/id/eprint/1455/1/AzmirAbdulRahmanFKKSA2006.pdf
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institution Universiti Teknologi Malaysia
collection UTM Institutional Repository
language English
topic TP Chemical technology
spellingShingle TP Chemical technology
Abdul Rahman, Azmil
Simulation and optimization of methanol autothermal reformer for fuel cell applications
description The physically base study for steady state model for hydrogen production using autothermal reforming of methanol is developed using commercial simulator, Aspen HYSYS 2004.1. The development of the physical model will involve rigorous thermodynamics, and the data from mathematical stoichiometry calculation of total reaction hydrogen production from methanol as a steady state validation to build an accurate steady state model and reaction conversion is 100%. The initial steady state data will be generating in Aspen HYSYS 2004.1 that uses Autothermal Reforming (ATR), Water Gas Shift (WGS) and Preferential Oxidation (PrOx) reactor analysis. Validation results show that model developed using Aspen HYSYS 2004.1 is accurate and can be used for further analysis. Heat integration is implemented to utilize an excess heat generated by ATR. Here, all the inlet streams are heated up using that excess heat. Polymer Electrolyte Membrane Fuel Cell (PEMFC) can only tolerate carbon monoxide (CO) composition that is less than 10 ppm. Therefore, one of the objective of this study is to reduce the composition of CO that will satisfy the requirement of PEMFC, while optimize the hydrogen composition. In order to do that, the clean up process that consists of WGS and PrOx is implemented. After that, the plant wide optimization is carried out and the result show that the optimum conditions of 9.43 ppm of CO and 45.45% of hydrogen can be achieved with 1.5 and 0.6 ratio of Air to Fuel (A/F) and Steam to Fuel (S/F), respectively with fuel processor efficiency of 85.80%.
format Thesis
qualification_level other
author Abdul Rahman, Azmil
author_facet Abdul Rahman, Azmil
author_sort Abdul Rahman, Azmil
title Simulation and optimization of methanol autothermal reformer for fuel cell applications
title_short Simulation and optimization of methanol autothermal reformer for fuel cell applications
title_full Simulation and optimization of methanol autothermal reformer for fuel cell applications
title_fullStr Simulation and optimization of methanol autothermal reformer for fuel cell applications
title_full_unstemmed Simulation and optimization of methanol autothermal reformer for fuel cell applications
title_sort simulation and optimization of methanol autothermal reformer for fuel cell applications
granting_institution Universiti Teknologi Malaysia, Chemical Engineering Department
granting_department Chemical Engineering Department
publishDate 2006
url http://eprints.utm.my/id/eprint/1455/1/AzmirAbdulRahmanFKKSA2006.pdf
_version_ 1747814377164111872
spelling my-utm-ep.14552018-02-20T05:01:46Z Simulation and optimization of methanol autothermal reformer for fuel cell applications 2006-11 Abdul Rahman, Azmil TP Chemical technology The physically base study for steady state model for hydrogen production using autothermal reforming of methanol is developed using commercial simulator, Aspen HYSYS 2004.1. The development of the physical model will involve rigorous thermodynamics, and the data from mathematical stoichiometry calculation of total reaction hydrogen production from methanol as a steady state validation to build an accurate steady state model and reaction conversion is 100%. The initial steady state data will be generating in Aspen HYSYS 2004.1 that uses Autothermal Reforming (ATR), Water Gas Shift (WGS) and Preferential Oxidation (PrOx) reactor analysis. Validation results show that model developed using Aspen HYSYS 2004.1 is accurate and can be used for further analysis. Heat integration is implemented to utilize an excess heat generated by ATR. Here, all the inlet streams are heated up using that excess heat. Polymer Electrolyte Membrane Fuel Cell (PEMFC) can only tolerate carbon monoxide (CO) composition that is less than 10 ppm. Therefore, one of the objective of this study is to reduce the composition of CO that will satisfy the requirement of PEMFC, while optimize the hydrogen composition. In order to do that, the clean up process that consists of WGS and PrOx is implemented. After that, the plant wide optimization is carried out and the result show that the optimum conditions of 9.43 ppm of CO and 45.45% of hydrogen can be achieved with 1.5 and 0.6 ratio of Air to Fuel (A/F) and Steam to Fuel (S/F), respectively with fuel processor efficiency of 85.80%. 2006-11 Thesis http://eprints.utm.my/id/eprint/1455/ http://eprints.utm.my/id/eprint/1455/1/AzmirAbdulRahmanFKKSA2006.pdf application/pdf en public other Universiti Teknologi Malaysia, Chemical Engineering Department Chemical Engineering Department Agrell, J., Birgersson, H., Boutonnet, M., Cabrera, I. M., Navarro, R. M. and Fierro, J. L. G. (2003). “Production of hydrogen from methanol over Cu/ZnO catalysts promoted by ZrO2 and Al2O3.� Journal of Catalysis 219: 389–403. Ahmet, K. A, Onsan, Z. I. and Trimm, D. L. (2001). “On-board fuel conversion for hydrogen fuel cells: comparison of different fuels by computer simulations.� Applied Catalysis A. General 216: 243–256. Ahmet, K. A., Trimm, D. 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