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U.S. Department of Energy
Office of Scientific and Technical Information

Process for reducing nitrogen oxides from flue gas

Patent ·
OSTI ID:7108610
Nitrogen oxides are removed from gas mixtures containing nitrogen oxides and oxygen by adding a reducing agent that is a C/sub 2/ to C/sub 6/ olefin or an aromatic hydrocarbon such as benzene or toluene, preferably butene-1, and contacting the mixture at 200/sup 0/ to 450/sup 0/C with a catalyst comprising iridium or a compound thereof supported on a refractory carrier, preferably alumina.
Assignee:
Toa Nenryo Kogyo Kabushiki Kaisha
Patent Number(s):
US 4016241
OSTI ID:
7108610
Country of Publication:
United States
Language:
English