Abstract
This paper describes ammonia dispersion was compared by two methods for improving the performance of selective non-catalytic reduction. One method is injecting ammonia with steam and the other is spraying ammonia water with compressed air.It was found that the method of injecting ammonia with steam is superior to the method of spraying ammonia water with compressed air on ammonia dispersion. In addition, higher steam pressure and larger nozzle diameter improve the ammonia dispersion. However, stronger steam injection may damage refractory material on the opposite wall.
