2008
DOI: 10.1016/j.apcatb.2007.10.014
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Palladium-manganese catalysts supported on monolith systems for methane combustion

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Cited by 30 publications
(24 citation statements)
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“…Third, the catalysts with the maximum amount of Pd and lowest calcination temperature of CoMn oxides exhibited the highest activity and also displayed good activity for the catalytic combustion of benzene (1500 ppm, 20,000 h À1 ); complete conversion was achieved at 300 8C. The results demonstrated that increasing amounts of noble metal improved the activity of CO oxidation, which was consistent with reports by Requies's [11]. After promoting activity with an increasing amount Pd, both the reduction and oxidation of the cobalt phase were greatly enhanced due to hydrogen or oxygen spill-over because palladium was intrinsically effective for molecular hydrogen and oxygen dissociation.…”
Section: Comparison With Orthogonal Experimentssupporting
confidence: 90%
“…Third, the catalysts with the maximum amount of Pd and lowest calcination temperature of CoMn oxides exhibited the highest activity and also displayed good activity for the catalytic combustion of benzene (1500 ppm, 20,000 h À1 ); complete conversion was achieved at 300 8C. The results demonstrated that increasing amounts of noble metal improved the activity of CO oxidation, which was consistent with reports by Requies's [11]. After promoting activity with an increasing amount Pd, both the reduction and oxidation of the cobalt phase were greatly enhanced due to hydrogen or oxygen spill-over because palladium was intrinsically effective for molecular hydrogen and oxygen dissociation.…”
Section: Comparison With Orthogonal Experimentssupporting
confidence: 90%
“…It is known that most aluminum spinels are thermally stable structures, much more than transition alumina from which they have been synthesized [31,51,52]. The TPR profiles also indicate that the NiAl 2 O 4 was stable.…”
Section: Discussionmentioning
confidence: 71%
“…The Pd 3d 5/2 peak for Pd + Co catalysts after reaction is symmetrically located at 336.1 eV and it could be attributed to the PdO phase [8]. The increase in Pd 2+ concentration after reaction is not unexpected.…”
Section: X-ray Photoelectron Spectroscopy (Xps)mentioning
confidence: 72%
“…oxides have been considered as practical alternative materials to prepare the catalysts for the combustion of methane [4][5][6][7]. Alumina-supported bimetallic and monometallic Mn and Pd monolithic catalysts were prepared and tested in methane combustion [8]. The results showed that all bimetallic catalysts are considerably more stable in the reaction of methane combustion compared to the monometallic palladium.…”
Section: Introductionmentioning
confidence: 99%