Method and filter for removing nitrogen oxides and organic...

Details Method and filter for removing nitrogen oxides and organic... Method and filter for removing nitrogen oxides and organic...

B - Operations, Transporting

01

D

B01D 53/86 (2006.01) B01J 15/00 (2006.01) B01J 37/02 (2006.01)

Patent

CA 2055521

ABSTRACT OF THE DISCLOSURE A method for removing nitrogen oxides and organic chlorine compounds from a combustion waste gas, which comprises the steps of: adding ammonia (NH3) as a reducing agent to a combustion waste gas containing nitrogen oxides and organic chlorine compounds; causing the combustion waste gas added with ammonia to contact with, while keeping the temperature of the combustion waste gas within a prescribed range, with a catalyst comprising at least one selected from the group consisting of platinum (Pt), palladium (Pd), ruthenium (Ru), manganese (Mn), copper (Cu), chromium (Cr) and iron (Fe) and oxides thereof, supported on the surface of a carrier comprising at least one selected from the group consisting of titanium oxide (TiO2), silicon oxide (SiO2), aluminum oxide (Al2O3) and zirconium oxide (ZrO2), thereby removing nitrogen oxides and organic chlorine compounds from the combustion waste gas.

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