Catalytic Properties of Ag/SnO2 Catalysts Applied in Low-Temperature Methane Oxidation
A. Lewandowska, I. Kocemba, J. Rynkowski
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Institute of General and Ecological Chemistry,Technical University of Łódź, Żeromskiego 116, 90-924 Łódź Poland
Pol. J. Environ. Stud. 2008;17(3):433-437
This paper focuses on the catalytic properties of Ag/SnO2 for low-temperature methane oxidation. The influences of the metal loading (0.2-20 wt.% Ag), support (Al2O3, TiO2, SiO2) and methane concentration (0.375-1.5%) in the oxidized mixture were investigated. It was observed that the optimal amount of silver in Ag/SnO2 was 1 wt.%. Lower or higher amounts cause a loss in catalytic activity. SnO2 was found to be undoubtedly the best support for the title reaction among all tested oxides. A mechanism of methane oxidation over Ag/SnO2 was proposed.
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