Elsevier, Chemical Engineering Science, 22-23(59), p. 5091-5098
DOI: 10.1016/j.ces.2004.08.028
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The present work deals with the analysis of low-environmental-impact premixed metal fiber burners (FeCrAlloy fiber mat), with special reference to the optimization of the perovskite-based catalysts to be deposited over them. New catalytic burners based on a LaMnO3/ZrO2 catalyst were developed. After a preliminary investigation, the optimal operating conditions for the preparation of LaMnO3 catalysts via solution combustion synthesis (SCS) were pointed out. The most promising catalyst was then selected over a wide range of formulations exploiting a number of structural promoters. An optimal catalyst deposition technique was then developed for the preparation of premixed catalytic metal burners, which were tested on a pilot combustion chamber. The results obtained on the pilot plant showed a good reduction of pollutant emissions and better performances compared with the non-catalytic counterpart, especially as far as CO emissions are concerned.