Analysis of the control structures for an integrated ethanol processor for proton exchange membrane fuel cell systems
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10.1016/j.jpowsour.2008.12.099
Inclou dades d'ús des de 2022
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hdl:2117/6400
Tipus de documentArticle
Data publicació2009
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Abstract
The aim of this work is to investigate which would be a good preliminary plantwide control structure
for the process of Hydrogen production from bioethanol to be used in a proton exchange membrane
(PEM) accounting only steady-state information. The objective is to keep the process under optimal operation
point, that is doing energy integration to achieve the maximum efficiency. Ethanol, produced from
renewable feedstocks, feeds a fuel processor investigated for steam reforming, followed by high- and lowtemperature
shift reactors and preferential oxidation, which are coupled to a polymeric fuel cell. Applying
steady-state simulation techniques and using thermodynamic models the performance of the complete
system with two different control structures have been evaluated for the most typical perturbations. A
sensitivity analysis for the key process variables together with the rigorous operability requirements for
the fuel cell are taking into account for defining acceptable plantwide control structure. This is the first
work showing an alternative control structure applied to this kind of process.
CitacióBiset, S. [et al.]. Analysis of the control structures for an integrated ethanol processor for proton exchange membrane fuel cell systems. "Journal of power sources", 2009, vol. 192, núm. 1, p. 107-113.
ISSN0378-7753
Versió de l'editorhttp://dx.doi.org/10.1016/j.jpowsour.2008.12.099
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