<script type="text/javascript">
<!--
document.write('<div id="oa_widget"></div>');
document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=undefined&type=result"></script>');
-->
</script>

COPY SCRIPT

For further information contact us at helpdesk@openaire.eu

Synthesis and characterization of Rh/MnO 2 -CeO 2 /Al 2 O 3 catalysts for CO-PrOx reaction

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 2017 Spain Publisher:Elsevier BVJournal:Molecular Catalysis, volume 440, pages 9-18 (issn: 2468-8231,

Authors: Martínez Tejada, Leidy Marcela; Laguna Espitia, Oscar Hernando; López Cartes, Carlos; Centeno Gallego, Miguel Ángel;

doi: 10.1016/j.mcat.2017.06.018

handle: 10261/153738

Synthesis and characterization of Rh/MnO 2 -CeO 2 /Al 2 O 3 catalysts for CO-PrOx reaction

- Summary
- Subjects
- Related research
  (1)
- Metrics

Abstract

Rh/MnO2-CeO2/Al2O3 catalysts with different manganese-to-ceria ratios have been synthesized, characterized and tested in CO-PrOx reaction. The physicochemical properties of the solids were studied by XRD, Raman spectroscopy, BET surface area, H2-TPR, TGA-DTG and TEM. The differences observed in the textural, structural and redox properties were related to the Mn-to-ceria ratio of the samples. The segregation of Mn species was observed at high Mn-to-Ce ratios. In opposite way, MnO2-CeO2 solid solutions were obtained at low Mn to Ce ones. In this last case, the physicochemical properties of the solids were favored by the intimate Rh-Ce-Mn contact. The effect of the Mn-Ce presence on Rh catalysts which promotes the catalytic behavior towards selective CO oxidation was observed to be better at low temperatures. At higher temperatures, Mn species promote the Reverse Water Gas Shift reaction, whilst ceria promotes the H2 oxidation in the whole range of working temperatures.

Peer reviewed

Country

Spain

Related Organizations

University of Seville
Spain
Spanish National Research Council
Spain

Keywords

CO-PrOx, CO-PROX, Manganese oxide, MnO2-CeO2, Cerium oxide

1 Research products, page 1 of 1

Effects of synthesis methods on the physicochemical properties and Hg0 capture capability of MnO2-CeO2 mixed oxides
2022IsAmongTopNSimilarDocuments

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	16
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 10%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%