DOI: 10.1002/aic.11767. A C1 microkinetic model for methane conversion to syngas on Rh/Al2O3

A C1 microkinetic model for methane conversion to syngas on Rh/Al2O3

10.1002/aic.11767

Crossref journal-article

Wiley

AIChE Journal (311)

Abstract

AbstractA microkinetic model capable of describing multiple processes related to the conversion of natural gas to syngas and hydrogen on Rh is derived. The parameters of microkinetic models are subject to (intrinsic) uncertainty arising from estimation. It is shown that intrinsic uncertainty could markedly affect even qualitative model predictions (e.g., the rate‐determining step). In order to render kinetic models predictive, we propose a hierarchical, data‐driven methodology, where microkinetic model analysis is combined with a comprehensive, kinetically relevant set of nearly isothermal experimental data. The new, thermodynamically consistent model is capable of predicting several processes, including methane steam and dry reforming, catalytic partial oxidation, H2 and CO rich combustion, water‐gas shift and its reverse at different temperatures, space velocities, compositions and reactant dilutions, using the measured Rh dispersion as an input. Comparison with other microkinetic models is undertaken. Finally, an uncertainty analysis assesses the effect of intrinsic uncertainty and catalyst heterogeneity on the overall model predictions. © 2009 American Institute of Chemical Engineers AIChE J, 2009

Bibliography

Maestri, M., Vlachos, D. G., Beretta, A., Groppi, G., & Tronconi, E. (2009). A C1 microkinetic model for methane conversion to syngas on Rh/Al2O3. AIChE Journal, 55(4), 993â1008. Portico.

Authors 5

Matteo Maestri (first)
Dionisios G. Vlachos (additional)
Alessandra Beretta (additional)
Gianpiero Groppi (additional)
Enrico Tronconi (additional)

References 50 Referenced 98

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Dates

Type	When
Created	16 years, 6 months ago (Feb. 20, 2009, 10:33 a.m.)
Deposited	1 year, 10 months ago (Oct. 16, 2023, 1:52 a.m.)
Indexed	1 month ago (July 16, 2025, 9:18 a.m.)
Issued	16 years, 6 months ago (Feb. 20, 2009)
Published	16 years, 6 months ago (Feb. 20, 2009)
Published Online	16 years, 6 months ago (Feb. 20, 2009)
Published Print	16 years, 4 months ago (April 1, 2009)

Funders 0

None

BibTeX

@article{Maestri_2009, title={A C1 microkinetic model for methane conversion to syngas on Rh/Al2O3}, volume={55}, ISSN={1547-5905}, url={http://dx.doi.org/10.1002/aic.11767}, DOI={10.1002/aic.11767}, number={4}, journal={AIChE Journal}, publisher={Wiley}, author={Maestri, Matteo and Vlachos, Dionisios G. and Beretta, Alessandra and Groppi, Gianpiero and Tronconi, Enrico}, year={2009}, month=feb, pages={993–1008} }

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