Deactivation studies of Rh/Ce0.8Zr0.2O2 catalysts in low temperature ethanol steam reforming

Alex Platon; Hyun Seog Roh; David L. King; Yong Wang

doi:10.1007/s11244-007-9007-6

Deactivation studies of Rh/Ce_0.8Zr_0.2O₂ catalysts in low temperature ethanol steam reforming

Alex Platon, Hyun Seog Roh, David L. King, Yong Wang

Division of Environmental Engineering

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

39 Citations (Scopus)

Abstract

Rapid deactivation of Rh/Ce_0.8Zr_0.2O₂ catalysts during low temperature ethanol steam reforming was studied. A significant build-up of reaction intermediates, instead of carbon deposit, was observed at low reaction temperatures. This appears to be the cause of rapid catalyst deactivation. Co-feed experiments indicated that possible intermediate products acetone and ethylene caused more severe catalyst deactivation than other oxygenates such as acetic acid and acetaldehyde.

Original language	English
Pages (from-to)	374-379
Number of pages	6
Journal	Topics in Catalysis
Volume	46
Issue number	3-4
DOIs	https://doi.org/10.1007/s11244-007-9007-6
Publication status	Published - 2007 Dec

All Science Journal Classification (ASJC) codes

Catalysis
Chemistry(all)

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10.1007/s11244-007-9007-6

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abstract = "Rapid deactivation of Rh/Ce0.8Zr0.2O2 catalysts during low temperature ethanol steam reforming was studied. A significant build-up of reaction intermediates, instead of carbon deposit, was observed at low reaction temperatures. This appears to be the cause of rapid catalyst deactivation. Co-feed experiments indicated that possible intermediate products acetone and ethylene caused more severe catalyst deactivation than other oxygenates such as acetic acid and acetaldehyde.",

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AB - Rapid deactivation of Rh/Ce0.8Zr0.2O2 catalysts during low temperature ethanol steam reforming was studied. A significant build-up of reaction intermediates, instead of carbon deposit, was observed at low reaction temperatures. This appears to be the cause of rapid catalyst deactivation. Co-feed experiments indicated that possible intermediate products acetone and ethylene caused more severe catalyst deactivation than other oxygenates such as acetic acid and acetaldehyde.

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Deactivation studies of Rh/Ce_0.8Zr_0.2O₂ catalysts in low temperature ethanol steam reforming

Abstract

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