| Sep 16, 2012 |
Production of manganite nanocatalysts for removal of air-polluting volatile organic compounds
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(Nanowerk News) Researchers from University of Tabriz and University of Mazandaran made a breakthrough in eliminating volatile organic compounds that pollute the air by producing manganite nanocatalysts with spinel structure (see paper in Ceramics International: "Nanocrystalline AMn2O4 (A = Co, Ni, Cu) spinels for remediation of volatile organic compounds-synthesis, characterization and catalytic performance").
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The nanocatalysts can be used in controlling the gaseous pollutants emitted from chemical and petrochemical industries and the exhaust of the automobiles.
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Some of manganite nanocatalyst compounds with spinel structure were synthesized in the research through self-combusting sol-gel method, and their physicochemical properties were identified through various techniques. Catalytic activity of the compounds was studied in the removal of volatile organic air pollutants, and the results showed appropriate catalytic activity for this purpose.
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Results of this research were compared to the results obtained by some other researchers, and desirable and acceptable results have been obtained. The relation between the catalytic activity and physicochemical properties of the catalysts have also been investigated and explained in this research.
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In addition to mixed oxide nanocatalysts with spinel structure, the nanocatalysts used in this research can be used in various environmental applications such as controlling the gaseous pollutants emitted from chemical and petrochemical industries and the exhaust of the automobiles. They can also help the commercialization of the use of the new nanocatalysts as the substitutes for the catalysts of noble metals.
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