A study on kinetics of NO absorption from flue gas by using UV/Fenton wet scrubbing

  • Liu Y
  • Zhang J
  • Wang Z
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Abstract

The mass transfer-reaction kinetics of NO removal from flue gas by using UV/Fenton wet scrubbing were investigated, and a simple kinetic equation was also established. The results indicate that the NO absorption rates increase with the increase of H2O2concentration, Fe2+concentration (below 0.005mol/L), NO concentration and UV radiation intensity, but decrease with the further increase of Fe2+concentration (above 0.005mol/L). The absorption process of NO by using UV/Fenton wet scrubbing is found to be a pseudo-first-order fast reaction. The NO absorption rate can be effectively increased by raising the chemical reaction rate, the gas-liquid contact area and the NO concentration. The validation results of kinetic equation indicate that the calculated values are in good agreement with the experimental values. © 2012.

Author-supplied keywords

  • Flue gas
  • Kinetics
  • Mass transfer-reaction
  • NO
  • UV/Fenton

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Authors

  • Yangxian Liu

  • Jun Zhang

  • Zhuliang Wang

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