Oxidation of Volatile Nitrogen Compounds during Combustion in Circulating Fluidized Bed Boilers

Journal article, 1991

In circulating fluidized bed boilers, the volatile nitrogen species of the fuel are mostly oxidized to NO. This is shown in a test program where the effect of batch supply of fuel on the NO emission has been investigated in two different commercial-type fluidized bed boilers. Measurements of gas concentration profiles of CO, NO, HCN, NH3, and C1 to C3 hydrocarbons in the boilers support the conclusions from the batch supply tests.