In Situ Preparation of Oxide-Based Supported Catalysts by Solution Combustion Synthesis

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Abstract
The oxide-based supported catalysts with high specific surface area (>200 m2/g) were produced in one step through combination of the impregnation and solution combustion synthesis approaches. As a model system, iron oxide was selected, which was loaded on different porous supports including α-Al2O3, γ-Al2O3, and ZrO2, as well as activated alumina. It was shown that for the former three cases the specific surface areas of the supported catalysts are about or below the surface areas of the support. However, for the activated Al2O3 this characteristic significantly increases compared to that of the support. It was demonstrated that the developed approach may be used to produce different types of oxide-based supported catalysts, including perovskites.

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