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Method for removal and stabilization of mercury in mercury-containing gas streams

United States Patent

September 13, 2005
View the Complete Patent at the US Patent & Trademark Office
The present invention is directed to a process and apparatus for removing and stabilizing mercury from mercury-containing gas streams. A gas stream containing vapor phase elemental and/or speciated mercury is contacted with reagent, such as an oxygen-containing oxidant, in a liquid environment to form a mercury-containing precipitate. The mercury-containing precipitate is kept or placed in solution and reacts with one or more additional reagents to form a solid, stable mercury-containing compound.
Broderick; Thomas E. (Arvada, CO)
ADA Technologies, Inc. (Littleton, CO)
10/ 253,944
September 23, 2002
GOVERNMENT LICENSE RIGHTS The U.S. Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of Contract No. DE-AC21-97MC-32195 awarded by the Department of Energy.