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Method for combined removal of mercury and nitrogen oxides from off-gas streams

United States Patent

October 10, 2006
View the Complete Patent at the US Patent & Trademark Office
Argonne National Laboratory - Visit the Technology Development and Commercialization Website
A method for removing elemental Hg and nitric oxide simultaneously from a gas stream is provided whereby the gas stream is reacted with gaseous chlorinated compound to convert the elemental mercury to soluble mercury compounds and the nitric oxide to nitrogen dioxide. The method works to remove either mercury or nitrogen oxide in the absence or presence of each other.
Mendelsohn; Marshall H. (Downers Grove, IL), Livengood; C. David (Lockport, IL)
The United States of America as represented by the United States Department of Energy (Washington, DC), N/A (
09/ 842,818
April 27, 2001
CONTRACTUAL ORIGIN OF INVENTION The United States Government has rights in this invention pursuant to Contract No. W-31-109-ENG-38 between the U.S. Department of Energy and the University of Chicago, representing Argonne National Laboratory.