Abstract
As generally known, nitrogen oxides NOx (NO, NO2) and nitrous oxide (N2O) are significant pollutants [...]
Highlights
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Mixed oxides with alkali metal promoters appear to be active for this reaction, but there are a number of issues that need to be addressed
Potassium has a beneficial effect on Co4MnAlOx mixed oxide for NO catalytic decomposition [6,7]
Summary
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. SCR NOx technology is very effective, but its disadvantage, like that of SNCR, is the need to add a reducing agent (ammonia, urea), which increases costs, causes undesirable ammonia slip and requires increased safety precautions. These are the stability of catalysts, sufficient activity at industrially suitable temperatures and inhibition of the reaction by oxygen and other components present in waste gases.
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