Performance evaluation of non-thermal plasma injection for elemental mercury oxidation in a simulated flue gas

- The use of non-thermal plasma injection approach to oxidize Hg0 in simulated flue gas at 110 °C was studied.
- A high Hg0 oxidation efficiency was observed in the mixed flue gas that included O2, H2O, SO2, NO and HCl.
- Chemical and physical processes (e.g., ozone, N2 metastable states and UV-light) contributed to Hg0 oxidation.
- Mercury species mainly existed in the form of HgO(s) adhering to the suspended aerosols in the gas-phase.