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Pt/CuO/Al 2 O 3 catalysts with 20 wt% CuO and 0.5–4 wt% Pt were prepared and used for the selective catalytic oxidation of ammonia in wet and dry gases and in synthetic biogas with CO, hydrogen, and methane. Imaging of the catalysts with HREM and STEM, combined with elemental analysis, reveals that copper is well dispersed and occurs in the form of patches on the support. Platinum...
Pt/Al2O3 catalysts with platinum contents of 0.1, 1.0 and 3.0 wt% were used for the low temperature combustion of methanol in the absence and the respective presence of a trace amount of ammonia. It is observed that ammonia inhibits the combustion of methanol, which is due to competition between methanol and ammonia for the same sites. For a fixed space velocity and without ammonia in the gas, the...
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