Composition including a lanthanum perovskite on an alumina or aluminum oxyhydroxide substrate, preparation method and use in catalysis
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United States of America Patent
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Feb 27, 2018
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Feb 4, 2015
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Mar 2, 2009
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Abstract
The composition according to the invention includes a perovskite of the formula LaMO3, where M is at least one element selected from among iron, aluminium or manganese, in the form of particles dispersed on an alumina or aluminium oxyhydroxide substrate, characterized in that after calcination at 700° C. for 4 hours, the perovskite is in the form of a pure crystallographic phase, and in that the size of the perovskite particles does not exceed 15 nm. The composition according to the invention can be used in the field of catalysis.
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