Effects of CO 2 and CO on the reduction of NO over calcined limestone or char in oxy-fuel fluidised bed combustion

To reveal the effects of CO2 and CO on the reduction of NO in oxy-fuel fluidised bed combustion, NO-CO reduction catalysed by calcined limestone and NO-char reduction were studied in a suspension-bed reactor under CO2 or N2 atmosphere with the CO concentration varied from 0.28 to 1.88%. Results showed that the calcined limestone is an effective catalyst for NO-CO reduction. The activation energy o...