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Cobalt catalysts derived from hydrotalcite-type precursors applied to steam reforming of ethanol

Paper ID Volume ID Publish Year Pages File Format Full-Text
51839 46856 2011 5 PDF Available
Title
Cobalt catalysts derived from hydrotalcite-type precursors applied to steam reforming of ethanol
Abstract

Catalysts derived from Co/Mg/Al hydrotalcite-type precursors modified with La and Ce were characterized by XANES and tested in ethanol steam reforming. The reaction data showed that, with a molar ratio of water:ethanol = 3:1 in the feed, addition of Ce and La favored acetaldehyde production. Increasing the water content (water:ethanol = 5:1) decreased the acetaldehyde formation by favoring the adsorption of water molecules on these samples, enhancing the acetaldehyde conversion.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideResearch Highlights► XANES indicated Co interacting strongly with the Mg/Al oxide support. ► The presence of Ce and La weakened the interaction Co-support. ► Ce and La favored acetaldehyde production at the lower feed water content. ► Increasing the water content decreased the acetaldehyde formation on CoCe and CoLa. ► Ce and La favored the adsorption of water molecules and acetaldehyde steam reforming.

Keywords
Catalyst; Cobalt; Ethanol; Reforming
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Cobalt catalysts derived from hydrotalcite-type precursors applied to steam reforming of ethanol
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 14, 15 August 2011, Pages 1286–1290
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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