Abstract
Oxidation of monomethylamine (MMA) over monolith-based catalysts has been studied as a pollutant abatement technology. The operating parameters of pollutant concentration and reactor residence time are similar to those found in exhaust stream treatment facilities. Product distribution as a function of temperature has been quantified. Palladium supported on alumina shows the ability for complete oxidation of monomethylamine to carbon dioxide, nitrogen and water. The effect of nickel oxide as an additive to palladium supported on alumina has been studied. Reactivity to complete oxidation products was determined as Pd + alumina > Pd + NiO + alumina > alumina. The decomposition of MMA was determined to occur through parallel reaction pathways. Alumina was primarily responsible for MMA adsorption and dehydrogenation. Palladium played a more significant role as an active site for C-N bond splitting and oxidation to CO 2 and water. The dehydrogenation pathway was active even near room temperature.
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