Abstract
This chapter presents the experiments of SO2 removal from simulated flue gas by water vapor and activated NH3 respectively. The conditions of the experiments are the flow of flue gas being about 65Nm3/h, the temperature of the simulated flue gas being kept between 65-85°C, and NH3 being added as the Stoichiometry ratio of NH3:SO2 1:1. In all experiments, the concentration of water vapor in the flue gas is unsaturated. Results demonstrate that when water vapor or NH3 is activated, SO2 removal efficiency is obviously higher than when they are not activated. The SO2 removal efficiency increases with input power, and to some extent, with the flow of water vapor or humidity of the flue gas. The total SO2 removal efficiency in pulsed corona discharge process is increased by water vapor or activated NH3.
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