Electron beam process for SO2 removal from flue gases with high SO2 content |
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Authors: | J Licki A G Chmielewski Z Zimek B Tymiski S Bu
ka |
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Institution: | J. Licki, A. G. Chmielewski, Z. Zimek, B. Tymiñski,S. Bu
ka |
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Abstract: | Flue gases with high SO2 concentration are emitted from different industrial processes, e.g. combustion of coal with high sulfur content, copper smelting and sintering plant. The application of the electron beam process for SO2 removal from such flue gases was investigated. A parametric study was carried out to determine the removal efficiency as a function of temperature and humidity of irradiated gases, dose and ammonia stoichiometry. At the dose 11.5 kGy 95% SO2 removal efficiency was obtained when the temperature and humidity of irradiated flue gases and ammonia stoichiometry were properly adjusted. The synergistic effect of high SO2 concentration on NOx removal was observed. The collected by-product was the mixture of (NH4)2 SO4 and NH4NO3. The content of heavy metals in the by-product was many times lower than the values acceptable for commercial fertilizer. |
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Keywords: | Electron beam Accelerator NOx and SO2 removal |
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