Abstract
The catalytic purification of industrial plan and transport exhaust gases is present day the most effective mean to protect the environment and human health from toxic gas impurities exposure. A method of the Co3O4 catalytically active centers synthesis is described on the surface of a ceramic bulk corundum α-Аl2O3 carrier (3.4 mm corundum fraction), there is a process of neutralizing harmful gas emissions.The influence of temperature is investigated when Cо3O4 catalytically active compounds are formed during the thermal decomposition of the crystalline hydrate Co(NO3)2·6H2O on the conversion degree of vapor toxic impurities.Diffraction patterns made it possible todetermine that the surface compound of Cо3O4 on corundum agglomerates with growth of temperature. This agglomerationis a ordering measure of the catalytically active centers structure. It has been found experimentally that than higher is the heat treatment temperature, the more sophisticated and aggregative become formed compounds.The influence of surface concentration of the catalytically active centers on the value of purification degree during the heterogeneous catalytic process in the external diffusion region was studied. This influence is described by the Frendlich adsorption equation.
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Schedule a callMore From: Bulletin of the National Technical University "KhPI". Series: Chemistry, Chemical Technology and Ecology
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