Patent ID: 9533256
Date: 2017-01-03
CPC Classifications: B01D

Claim:
1. A method for removing contaminants from a gas stream comprising the steps: a) Feeding the gas stream containing the contaminants into a scrubber; b) Contacting the gas stream with a scrubbing solution; c) Contacting the gas stream with ozone, wherein nitrogen oxides are oxidized; d) Contacting the gas stream containing the oxidized nitrogen oxides with a device selected from the group consisting of a droplet separator and a condensing surface to provide sufficient surface area to dissolve, condense and absorb and, thereby removing the oxidized nitrogen oxides; e) Contacting the gas stream with a scrubbing solution, thereby removing particulates, sulfur oxides, acid gases and mercury from the gas stream; and f) Recovering the gas stream.