Radiation induced scavenging of NOx, SO2, H2S from exhaust gases

The theoretical model of exhaust gases radiation induced oxidation was developed. NO, SO₂ and H₂S concentrations curves vs dose calculated by use of this model for mixtures containing N₂ (80.5%), O₂ (11%), H₂O (8.4%), NO (100–600 ppm), SO₂ (150–500 ppm) and H₂S (300–1000 ppm) have been obtained. It has been shown that NO and SO₂ conversion reactions with acids formation go simultaneously with oxidizing reaction of H₂S giving SO₂ as an intermediate substance. These processes were evaluated for different initial concentrations of NO, SO₂ and H₂S. Data established by our simulation calculations show that the electron beam process can be judged as a promising technology for simultaneous removal of SO₂, NO and H₂S from exhaust gases.