Gas-phase elemental mercury removal in a simulated combustion flue gas using TiO₂ with fluorescent light

Figures & data

Figure 1. A schematic diagram of the experimental system.

Figure 2. Hg⁰ removal efficiency in the presence of O₂, Hg⁰, and N₂.

Figure 3. Effect of SO₂ on the Hg⁰ removal efficiency.

Figure 4. Effect of HCl on the Hg⁰ removal efficiency.

Figure 5. Effect of NO on the Hg⁰ removal efficiency.

Figure 6. Hg⁰ removal efficiency at various residence times (C _NO = 40 ppm_v).

Figure 7. Effect of moisture on the Hg⁰ removal efficiency.

Figure 8. Desorption of adsorbed Hg⁰ from TiO₂ surface by water vapor: (a) step I, (b) step II, (c) step III, and (d) step IV.