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Preferential oxidation of CO in H2 rich stream over Au/CeO2–Co3O4 catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
52178 46865 2008 6 PDF Available
Title
Preferential oxidation of CO in H2 rich stream over Au/CeO2–Co3O4 catalysts
Abstract

Au/CeO2–Co3O4 catalysts with a Ce/Co atomic ratio from 0.1 to 0.6 were prepared by deposition–precipitation; their catalytic performance in preferential oxidation (PROX) of CO in H2 rich stream was investigated. Au/CeO2–Co3O4 exhibits much higher catalytic activity in CO PROX than Au/Co3O4 and Au/CeO2; over Au/CeO2–Co3O4, 100% CO conversion with 75% selectivity to CO2 can be achieved even at ambient temperature. Typically, for CO PROX at 80 °C over oxidation pretreated Au/CeO2–Co3O4 (Ce/Co = 0.2), 91% CO conversion and 51% selectivity to CO2 can last for 260 h.

Keywords
Preferential oxidation of CO; PROX; Hydrogen rich stream; Au/CeO2–Co3O4
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Preferential oxidation of CO in H2 rich stream over Au/CeO2–Co3O4 catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 6, 31 March 2008, Pages 1487–1492
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us