Redox-Hg boosts the mercury removal capabilities of wet flue gas desulfurization (FGD) scrubber systems by using a suspension of highly amorphous iron sulfide particles. Through a combination of adsorption, chemical reduction, precipitation and conversion to stable sulfide and iron-sulfide precipitates, Redox-Hg effectively removes both oxidized and elemental mercury from liquid and gas streams.
WATER TREATMENT
Redox-Hg
Plant data showing real-time quick response of Redox-Hg chemical injection.
Benefits and Features
- Lowers total stack mercury by over 95%
- Fast-acting response during start-up, oxidation-reduction potential (ORP) and selective catalytic reduction (SCR) excursions
- Works within existing scrubber conditions with a small footprint
- Reduces concentrations of arsenic and selenium in water
- Eliminates the potential of leachable heavy metals in solids
- Non-toxic, easy-to-handle, low odor
- Does not affect quality of fly ash or gypsum
- Effective over a wide range of ORP (-200 to +700mV) and pH 4.5-7
Cost-effective enhancement of mercury removal
Redox-Hg significantly boosts the mercury removal efficiency of wet flue gas desulfurization systems and is a cost-effective alternative to wet scrubber additives.