Abstract
Laboratory experiments were carried out to study the removal of SO 2 by the particle conversion process in a simulated flue gas condition. For the conversion of SO2 to particulate forms, NH3 was injected to the reaction zone. For the enhancement of particulate formation, a pulsed electric corona plasma was used. The behavior of particles formed in the different reaction conditions was studied. In the thermal reaction, the conversion from SO2 gas to particular sulfate was very sensitive to the reaction temperature. Once the molar ratios of NH3 to SO2 satisfy the stoichiometric ratio to form ammonium sulfate, [NH4] 2SO4, the additional supply of NH 3 to the reaction zone did not enhance the particular conversion rate of SO2 significantly. Instead the pulsed electric input enhanced the particular conversion rate of SO2 to the amount of increase by the additional NH3 injection. The experimental molar ratios of NH3 to SO2 were from 1 to 4. As the gas phase reaction between SO2 and NH3 had been completed within...
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