Characteristics of fuel-NO_x formation during oxycoal combustion

Abstract

The pure effects of various important factors of the initial oxygen concentration and flame temperature on the NO_x formation during oxy-coal combustion are investigated from experiment and theoretical analysis. As a result, we show (1) the formation mechanism of fuel-NO_x and (2) the emission of fuel-NO_x slightly increases with the O_2 concentration, and the gasification reaction between CO_2 and char occurs more vigorously than that during combustion in air.