Patent ID: 9631533
Date: 2017-04-25
CPC Classifications: B01D,F01N,Y02C,Y02T

Claim:
1. A method for removal of SO x and NO x from an exhaust gas comprising SO x , NO x , soot and water vapour, the exhaust gas originating from a combustion of a fuel where the combustion takes place in an internal combustion engine, wherein the exhaust gas is passed through at least one catalytic reactor comprising an oxidation catalyst, in which catalytic reactor at least SO 2 is converted to SO 3 and NO is converted to NO 2 , where after the exhaust gas is passed through a condenser and cooled to a temperature which is below the dew point temperature of the water in the condenser such that SO 3 , NO 2 and water is condensed and SO 3 and NO 2 is dissolved into the condensed water and removed from the exhaust gas, wherein water is injected into the condenser.