Synergism between Pt/Al 2O 3 and Au/TiO 2 in the low temperature oxidation of propene

D. H. Kim; M. C. Kung; A. Kozlova; S. D. Yuan; H. H. Kung

doi:10.1007/s10562-004-6440-z

Synergism between Pt/Al ₂O ₃ and Au/TiO ₂ in the low temperature oxidation of propene

D. H. Kim, M. C. Kung, A. Kozlova, S. D. Yuan, H. H. Kung

Northwestern University

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

20 Citations (Scopus)

Abstract

CO impedes the low temperature (<170°C) oxidation of C ₃H ₆ on supported Pt. Supported Au catalysts are very effective in the removal of CO by oxidation, although it has little propene oxidation activity under these conditions. Addition of Au/TiO ₂ to Pt/Al ₂O ₃ either as a physical mixture or as a pre-catalyst removes the CO and lowers the light-off temperature (T ₅₀) for C ₃H ₆ oxidation compared with Pt catalyst alone by ∼54°C in a feed of 1% CO, 400 ppm C ₃H ₆, 14% O ₂, 2% H ₂O.

Original language	English
Pages (from-to)	11-15
Number of pages	5
Journal	Catalysis Letters
Volume	98
Issue number	1
DOIs	https://doi.org/10.1007/s10562-004-6440-z
Publication status	Published - Oct 1 2004

Keywords

Au/TiO
C H oxidation
CO oxidation
Physical mixture
Pt/Al O
Synergism

ASJC Scopus subject areas

Catalysis
Chemistry(all)

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title = "Synergism between Pt/Al 2O 3 and Au/TiO 2 in the low temperature oxidation of propene",

abstract = "CO impedes the low temperature (<170°C) oxidation of C 3H 6 on supported Pt. Supported Au catalysts are very effective in the removal of CO by oxidation, although it has little propene oxidation activity under these conditions. Addition of Au/TiO 2 to Pt/Al 2O 3 either as a physical mixture or as a pre-catalyst removes the CO and lowers the light-off temperature (T 50) for C 3H 6 oxidation compared with Pt catalyst alone by ∼54°C in a feed of 1% CO, 400 ppm C 3H 6, 14% O 2, 2% H 2O.",

keywords = "Au/TiO, C H oxidation, CO oxidation, Physical mixture, Pt/Al O, Synergism",

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AU - Kim, D. H.

AU - Kung, M. C.

AU - Kozlova, A.

AU - Yuan, S. D.

AU - Kung, H. H.

PY - 2004/10/1

Y1 - 2004/10/1

N2 - CO impedes the low temperature (<170°C) oxidation of C 3H 6 on supported Pt. Supported Au catalysts are very effective in the removal of CO by oxidation, although it has little propene oxidation activity under these conditions. Addition of Au/TiO 2 to Pt/Al 2O 3 either as a physical mixture or as a pre-catalyst removes the CO and lowers the light-off temperature (T 50) for C 3H 6 oxidation compared with Pt catalyst alone by ∼54°C in a feed of 1% CO, 400 ppm C 3H 6, 14% O 2, 2% H 2O.

AB - CO impedes the low temperature (<170°C) oxidation of C 3H 6 on supported Pt. Supported Au catalysts are very effective in the removal of CO by oxidation, although it has little propene oxidation activity under these conditions. Addition of Au/TiO 2 to Pt/Al 2O 3 either as a physical mixture or as a pre-catalyst removes the CO and lowers the light-off temperature (T 50) for C 3H 6 oxidation compared with Pt catalyst alone by ∼54°C in a feed of 1% CO, 400 ppm C 3H 6, 14% O 2, 2% H 2O.

KW - Au/TiO

KW - C H oxidation

KW - CO oxidation

KW - Physical mixture

KW - Pt/Al O

KW - Synergism

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