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Catalytic oxidation of hydrocarbons over Co3O4 catalyst prepared by CVD

Paper ID Volume ID Publish Year Pages File Format Full-Text
51134 46831 2009 5 PDF Available
Title
Catalytic oxidation of hydrocarbons over Co3O4 catalyst prepared by CVD
Abstract

The total oxidation of C2H2, C3H6, C3H8, n-C4H8, n-C4H10 and i-C4H10 was studied in a monolithic flow reactor under temperature-programmed mode and highly diluted conditions. The non-catalytic combustion of the investigated hydrocarbons leads to a substantial formation of CO and traces of methane at intermediate temperatures. This drawback was suppressed upon the deposition of a thin layer of Co3O4 on the monolith and all investigated hydrocarbons tend to light off at 250–290 °C. The apparent activation energy was found to exhibit a linear correlation with the C–H bond dissociation energy, indicating that the C–H activation is still the rate-limiting step.

Keywords
Catalytic combustion; Hydrocarbon; Cobalt oxide; Chemical vapor deposition; Bond dissociation energy; Apparent activation energy
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 11, Issue 2, 30 October 2009, Pages 118–122
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
You save - $31
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