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Karin Madsen of Haldor Topsoe discussed the effect of operating conditions and catalyst type on mercury oxidation across the SCR catalyst. Up to 90 percent mercury oxidation is achievable depending on the inlet Hg speciation and the chlorine concentration. Greater than 91 percent mercury removal is achievable using existing control devices (the combination of the SCR-FGD strategy). Adding additional HCl above a certain point does not improve oxidation. However, bromine acts differently and therefore may provide greater oxidation with increased amounts.
Revision Date: 4/14/2011
Tags: 221112 - Fossil Fuel 化石燃料, Haldor Topsoe, Mercury