Highly active and stable Rh/MgO-Al2O3 catalysts for methane steam reforming

Y. Wang; Y. H. Chin; R. T. Rozmiarek; B. R. Johnson; Y. Gao; J. Watson; A. Y.L. Tonkovich; D. P. Vander Wiel

doi:10.1016/j.cattod.2004.09.011

Highly active and stable Rh/MgO-Al₂O₃ catalysts for methane steam reforming

Y. Wang
, Y. H. Chin
, R. T. Rozmiarek
, B. R. Johnson
, Y. Gao
, J. Watson
, A. Y.L. Tonkovich
, D. P. Vander Wiel

Research output: Contribution to journal › Article › peer-review

134 Scopus citations

Abstract

Highly active and coke-resistant Rh catalysts were developed for methane steam reforming in microchannel chemical reactors. Rh loading was optimized on a stable MgO-Al₂O₃ support to improve the volumetric productivity for methane conversion. Catalyst activities were stable over a wide range of steam/carbon ratios. In particular, experimental results demonstrated that Rh/MgO-Al₂O₃ catalysts are extremely active for methane steam reforming and are resistant to coke formation at stoichiometric steam/carbon ratio of 1 for over 14 h time-on-stream with no sign of deactivation. Methane steam reforming activities on this catalyst is compared in both a microchannel reactor and a conventional micro-tubular reactor. Significant performance enhancement was observed in microchannel reactors owing to improved heat and mass transfer.

Original language	English
Pages (from-to)	575-581
Number of pages	7
Journal	Catalysis Today
Volume	98
Issue number	4
DOIs	https://doi.org/10.1016/j.cattod.2004.09.011
State	Published - Dec 14 2004
Externally published	Yes

Funding

This work was performed in the Environmental Molecular Science Laboratory, a national scientific user facility sponsored by the U.S. Department of Energy's Office of Biological and Environmental Research and located at Pacific Northwest National Laboratory in Richland, WA.

Keywords

Methane steam reforming
Microchannel reactor
Rh/mgo-alo catalyst

Access to Document

10.1016/j.cattod.2004.09.011

Cite this

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title = "Highly active and stable Rh/MgO-Al2O3 catalysts for methane steam reforming",

abstract = "Highly active and coke-resistant Rh catalysts were developed for methane steam reforming in microchannel chemical reactors. Rh loading was optimized on a stable MgO-Al2O3 support to improve the volumetric productivity for methane conversion. Catalyst activities were stable over a wide range of steam/carbon ratios. In particular, experimental results demonstrated that Rh/MgO-Al2O3 catalysts are extremely active for methane steam reforming and are resistant to coke formation at stoichiometric steam/carbon ratio of 1 for over 14 h time-on-stream with no sign of deactivation. Methane steam reforming activities on this catalyst is compared in both a microchannel reactor and a conventional micro-tubular reactor. Significant performance enhancement was observed in microchannel reactors owing to improved heat and mass transfer.",

keywords = "Methane steam reforming, Microchannel reactor, Rh/mgo-alo catalyst",

author = "Y. Wang and Chin, \{Y. H.\} and Rozmiarek, \{R. T.\} and Johnson, \{B. R.\} and Y. Gao and J. Watson and Tonkovich, \{A. Y.L.\} and \{Vander Wiel\}, \{D. P.\}",

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T1 - Highly active and stable Rh/MgO-Al2O3 catalysts for methane steam reforming

AU - Wang, Y.

AU - Chin, Y. H.

AU - Rozmiarek, R. T.

AU - Johnson, B. R.

AU - Gao, Y.

AU - Watson, J.

AU - Tonkovich, A. Y.L.

AU - Vander Wiel, D. P.

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AB - Highly active and coke-resistant Rh catalysts were developed for methane steam reforming in microchannel chemical reactors. Rh loading was optimized on a stable MgO-Al2O3 support to improve the volumetric productivity for methane conversion. Catalyst activities were stable over a wide range of steam/carbon ratios. In particular, experimental results demonstrated that Rh/MgO-Al2O3 catalysts are extremely active for methane steam reforming and are resistant to coke formation at stoichiometric steam/carbon ratio of 1 for over 14 h time-on-stream with no sign of deactivation. Methane steam reforming activities on this catalyst is compared in both a microchannel reactor and a conventional micro-tubular reactor. Significant performance enhancement was observed in microchannel reactors owing to improved heat and mass transfer.

KW - Methane steam reforming

KW - Microchannel reactor

KW - Rh/mgo-alo catalyst

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