Performance of a Pilot-Scale Wet Electrostatic Precipitator for the Control of Sulfuric Acid Mist and Fine Particulates

Because sulfuric acid mist and fine particulates such as PM2.5 are difficult to capture in typical dry electrostatic precipitators (ESPs), using a wet ESP is a viable option for the control of sulfuric acid mist and fine particulates in a flue gas. In this study, bench-scale tests were first conducted to find acceptable methods for achieving uniform water distribution and effective discharge. Based on the bench-scale results, a pilot-scale wESP was designed and constructed. The pilot-scale wESP demonstrated good performance on the removal of sulfuric acid mist and fine particulates.