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Co-promoted Pt catalysts supported on silica aerogel for preferential oxidation of CO

Authors
Choi, Jinsoon; Shin, Chee Burm; Suh, Dong Jin
Issue Date
2008-03-20
Publisher
ELSEVIER SCIENCE BV
Citation
CATALYSIS COMMUNICATIONS, v.9, no.5, pp.880 - 885
Abstract
Pt and Co doped silica aerogels have been synthesized by sol-gel method and subsequent supercritical drying. Wet-gel state of silica was used in the adsorption process in order to accommodate Pt and Co. Catalytic activities for preferential oxidation of CO in H-2-rich fuels were measured in the temperature range from 25 degrees C to 300 degrees C. At 2500 ppm of carbon monoxide, COPt-SiO2 aerogels showed good activities in a wide range of temperatures maintaining less than 20 ppm at 125-250 degrees C. (c) 2007 Elsevier B.V. All rights reserved.
Keywords
LOW-TEMPERATURE OXIDATION; HYDROGEN-RICH FUELS; SELECTIVE OXIDATION; CARBON-MONOXIDE; AU CATALYSTS; PLATINUM; METAL; PERFORMANCE; SODIUM; OXIDES; LOW-TEMPERATURE OXIDATION; HYDROGEN-RICH FUELS; SELECTIVE OXIDATION; CARBON-MONOXIDE; AU CATALYSTS; PLATINUM; METAL; PERFORMANCE; SODIUM; OXIDES; PROX; CO oxidation; silica; aerogel; Pt; Co
ISSN
1566-7367
URI
https://pubs.kist.re.kr/handle/201004/133641
DOI
10.1016/j.catcom.2007.09.036
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KIST Article > 2008
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