A kind of self-contained structuring Au catalyst and its preparation method and application

The invention discloses a kind of self-contained structuring Au catalyst and its preparation method and application, described self-contained structuring Au catalyst is a kind of attached Al of anchor first on skeleton matrix 2 O 3 Nanometer sheet forms self-contained structured base, then makes to form self-contained structured supports in the self-contained structured base Epitaxial growth metal oxide nano-sheet layer, and finally supported nano-gold particle obtains in the self-contained structured supports；In described self-contained structuring Au catalyst, the mass percent shared by nanogold particle is 0.05~5.0%, and the mass percent shared by metal oxide is 0.5~10%, and surplus is self-contained structured base.Experiment shows：Self-contained structuring Au catalyst thermal conductivity provided by the invention is good, permeability is high, Stability Analysis of Structures, and with structurally ordered and pattern regularization feature, the catalytic performance requirement of Oxidation of Carbon Monoxide reaction and water gas shift reation can fully be met, and low-temperature catalyzed excellent performance, CO complete conversion can be realized.