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Journal of Applied Sciences
Year: 2005  |  Volume: 5  |  Issue: 4  |  Page No.: 651 - 654

H2S Removal in an Oxidative Packed Bed Scrubber Using Different Chemical Oxidants

G.R. Moosavi, K. Naddafi, A. Mesdaghinia, F. Vaezi and M. Mahmoudi    

Abstract: The liquid-gas absorption is by far the most applied system for odor control. A bench scale packed bed scrubber was used to evaluate of H2S removal as the odorant model compound using three chemical oxidants of NaClO, H2O2 and KMnO4 at various operation conditions. Results showed that more than 99.5% of the H2S was removed from the inlet air in the EBCTs of 3 to 35 s and H2S concentrations in the range of 30 to 300 ppmv. Also, the pressure drop across the bed of the reactor increased from 1.5 to 13.1 cm H2O m-1 for the superficial air velocities in the range of 1.2 to 14 m min-1 which a linear relationship was observed between pressure drop and superficial air velocities.

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