Deactivation of catalysts for selective catalytic reduction of NO

Project Details


Selective catalytic reduction (SCR) of NO by ammonia is the most common secondary measure to limit the emission of NO from combustion processes. This technology is well proven on coal fired power plants. However, on biomass fired boilers or coal-biomass co-fired boilers, the SCR catalysts have been found to deactivate much faster, probably related to the higher content of potassium in the straw compared to coal. The aim of this project is to investigate the cause of this deactivation and if possible, suggest a cure. The project involves experiments in full-scale, pilot-scale and in the laboratory, detailed characterization of the deactivated catalysts and test of methods to regenerate the catalysts.
Effective start/end date01/02/199831/12/2001


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