APPLICATION OF EXCHANGE RECEIVED IN ALKALINE CONDITIONS OF MATERIALS FOR STORING OXYGEN FOR THE LOW-TEMPERATURE CATALYTIC OXIDATION OF SOLID PARTICLES

摘要

1. Base metal-modified mixed oxide / solid solution obtained by contacting a material active in redox with a solution of a dissolved cation precursor under conditions of high pH / low content of hydroxonium ion (H3O +) / low proton content (H +); moreover, the oxide carrier is a heat-resistant oxide; heat resistant oxide / mixed oxide contains cerium oxide; in addition, a base metal is introduced into the oxidation-reduction active material in the form of one or more compounds selected from the group including:! - ammonium hydroxide / ammonia complex of metal cations; ! - Organic amine complex of metal cations; and! - hydroxide compound of metal cations; and! moreover, the mixed oxide is calcined at a temperature above 350 ° C. ! 2. The base metal-modified mixed oxide / solid solution according to claim 1, wherein the cerium oxide is a solid solution of cerium and zirconium oxides (Ce-Zr oxide). ! 3. The base metal-modified mixed oxide / solid solution according to claim 2, wherein the Ce-Zr oxide is essentially a phase of a pure solid solution having oxygen ion conductivity and comprising:! (a) up to about 95% zirconium; ! (b) up to about 95% cerium; ! (c) up to about 20% of a stabilizer selected from the group consisting of rare earth elements, yttrium, and mixtures thereof. ! 4. Base metal-modified mixed oxide / solid solution according to claim 1, containing one or more particles of modifying metals selected from the group consisting of a transition metal, alkali metal, alkaline-earth meta