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New Type of Advanced Catalytic Material Based Upon Alumina Epitaxially Grown onto Thin Alumina Foil
Published online by Cambridge University Press: 10 February 2011
Abstract
Formation of planar layered Al2O3/Al composites via aluminum foil anodic-spark oxidation was studied by using SEM and XRD. A lateral growth of the primary non-porous alumina islands was shown to proceed to an extent where the entire surface was covered, and this layer is responsible for determining the high thermal stability of composite. A washcoating by an alumina suspension substantially increases pore volume and water absorption capacity. Catalysts based on the platinum group metals and transition metal oxides exhibit high activity for the reactions of CO and hydrocarbon oxidations and the selective reduction of nitrogen oxides by hydrocarbons.
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- Copyright © Materials Research Society 1998
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