Emission control system

Details Emission control system Emission control system

2008-07-29

2008-07-29

Vanoy, Timothy C (Department: 1793)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

C423S235000, C423S242100, C423S243010, C423S393000, C423S522000, C422S105000, C422S108000, C422S168000, C422S169000, C422S170000, C422S172000, C422S173000

Reexamination Certificate

active

07404938

ABSTRACT:
Methods and apparatus utilizing hydrogen peroxide are useful to reduce NOx, SOx and mercury (or other heavy metal) emissions from combustion flue gas streams. Continuous concentration of hydrogen peroxide to levels approaching or exceeding propellant-grade hydrogen peroxide facilitates increased system efficiency. In this manner, combustion flue gas streams can be treated for the removal of NOx, SOx and heavy metals, while isolating useful by-products streams of sulfuric acid and nitric acid as well as solids for the recovery of the heavy metals.

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