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Bimetallic Pt–Au Nanocatalysts on ZnO/Al₂O₃/Monolith for Air Pollution Control

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https://ir.library.oregonstate.edu/concern/articles/8c97ks246

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Abstract
  • The catalytic activity of a monolithic catalyst with nanosized Pt and Au particles on ZnO/Al₂O₃ (Pt-Au/ZnO/Al₂O₃/M) prepared by a wash-coat method was examined, specifically for toluene oxidation. FE-SEM image showed clearly the formation of a ZnO/Al₂O₃ layer on the monolith. Nanosized Pt-Au particles on ZnO/Al₂O₃/M with different sizes could be found in the Pt-Au/ZnO/Al₂O₃/M catalyst. The conversion of toluene decreased with increasing toluene concentration and was also largely affected by the feed flow rate The Pt-Au/ZnO/Al₂O₃/M catalysts prepared in this work have almost the same activity (molecules of toluene per second) compared with a powder Pt-Au/ZnO/Al₂O₃ catalyst with the same loadings of Pt and Au components; thus this catalyst could be used in controlling air pollution with very low concentrations and high flow rate.
  • Keywords: Wash-coat, ZnO/Al₂O₃, Monolithic Catalyst, Nanosized Pt-Au Particle, Toluene Oxidation
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  • Kim, K.-J., & Ahn, H.-G. (2015). Bimetallic Pt-Au Nanocatalysts on ZnO/Al₂O₃/Monolith for Air Pollution Control. Journal of Nanoscience and Nanotechnology, 15(8), 6108-6111. doi:10.1166/jnn.2015.10416
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  • 15
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  • 8
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  • This work was supported by the Ministry of Environments as “The Eco-technopia 21 project”.
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