Abstract
The aim of this work is to compare the catalytic activity of some pure and doped lanthanum cobaltites, prepared by solution combustion technique, with a Pt/Al2O3 commercial catalyst. As test reaction we used the combustion of lean methane mixtures. The experimental data evidenced a significantly better catalytic activity of a cerium-doped lanthanum cobaltite, prepared by using α-alanine as fuel. The combustion data, for the lean methane mixtures we tested, are well fitted by a first-order kinetic expression. The calculated activation energy values are in good agreement with the published data.
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