Startseite Steady-State Modeling of Pt-Catalyzed H2 Combustion in a Monolithic Reactor: From Micro- to Macro-kinetics
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Steady-State Modeling of Pt-Catalyzed H2 Combustion in a Monolithic Reactor: From Micro- to Macro-kinetics

  • Qi Su , Xiao-Ling Zha , Jin Xu EMAIL logo und Wei-Fang Yu EMAIL logo
Veröffentlicht/Copyright: 7. April 2015
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Abstract

Micro-kinetic modeling of Pt-catalyzed hydrogen oxidation in a monolithic reactor was carried out for various feed temperatures. The monolith behavior was described by a simplified steady-state model that avoids surface species enthalpy evaluation and does not have temperatures as unknowns. A simplified pseudoarch length method was used to obtain the multiple solution branches for this typical exothermic reaction system. Based on parametric sensitivity and surface species distribution analyses of the micro-kinetic modeling results, macro-kinetic models that involve only gas concentrations were derived and were used to explain the composition effects on ignition temperature.

Funding statement: Funding: This work was supported by Zhejiang Provincial Natural Science Foundation (Y5100296) and Qianjiang Program of Zhejiang Science and Technology Department (2012R10070). The graduate courses of Qi Su and Xiaoling Zha are financially supported by China Natural Science Foundation (21376181) and Zhejiang Provincial Natural Science Foundation (Y5110174), respectively.

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Published Online: 2015-4-7
Published in Print: 2016-2-1

©2016 by De Gruyter

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Heruntergeladen am 16.11.2025 von https://www.degruyterbrill.com/document/doi/10.1515/ijcre-2014-0153/pdf
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