Abstract
Simultaneous removal of NOx and SOx from the flue gas was performed under the gas feed rate from 50 to 80Nm3/hr using the slurry liquid of MgSO3-Mg (OH) 2-e (II) edta system in a column packed with “SAN” packing.It was shown that the removal ratio of NOx exceed 90% for liquid-gas ratio above 30kg-liquid/kg-gas. More than 99% of SO2 was removed. It was found that NOx removal ratio can be estimated by means of Porter's equation.As the results, deposition of solid particles in the apparatus does not occur when concentration of solid particles in the slurry liquid is in the range of 2-5%. Any increase in the initial concentration of MgSO3 or Fe (II)-edta increases NOx absorption capacity of the absorbing liquid.NOx absorption capacity of the liquid did not increased so much at O2 cocentration above 5% when the concentration of MgSO3 and Fe (II)-edta in the liquid were increased.
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