Patent ID: 7628967
Filing Date: 2009-12-08
Classification: B01D,F23J,Y02A

Abstract:
1. A method of scrubbing NO x compounds from a gas stream containing said NO x compounds comprising a scrubbing operation, including: contacting a gas stream containing SO contacting said partially cleaned gas stream with an oxidant selected from the group consisting of: hydrogen peroxide/nitric acid solution, hydrogen peroxide/nitric acid/hydrochloric acid solution, sodium chlorite solution, sodium chlorate solution, sodium hypochlorite solution, sodium perchlorite solution, chloric acid/sodium chlorate solution, oxone solution, potassium chlorate solution, potassium chlorite solution, potassium hypochlorite solution, potassium perchlorite solution, potassium permanganate solution, potassium permanganate/sodium hydroxide solution, chlorine dioxide gas or a combination thereof, to oxidize and/or remove residual NO