Simultaneous removal of NO and SO2 in a plasma reactor packed with TiO2-coated glass beads

Simultaneous removal of NO and SO2 in a plasma reactor packed with TiO2-coated glass beads We analyzed the dielectric pellet bed discharge-photocatalyst hybrid process for NO and SO2 removal. A cylindrical-wire type discharge reactor was packed with glass beads as dielectric pellets and the plasmas were generated by dielectric pellet bed discharge. The TiO2 photocatalysts were coated onto the glass beads by the dip-coating method and were activated by the light from discharge. Experiments were carried out for three cases: NO removal only, SO2 removal only, and simultaneous NO and SO2 removal. As the voltage applied to the plasma reactor increased, or as the residence time increased, the NO and SO2 removal efficiencies increased. With increasing initial NO and SO2 concentrations, the NO and SO2 removal efficiencies decrease. The removal efficiencies for simultaneous NO and SO2 removal are lower than those for NO only or SO2 only. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Simultaneous removal of NO and SO2 in a plasma reactor packed with TiO2-coated glass beads

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Publisher
Springer Netherlands
Copyright
Copyright © 2008 by Springer
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1163/156856708784040597
Publisher site
See Article on Publisher Site

Abstract

We analyzed the dielectric pellet bed discharge-photocatalyst hybrid process for NO and SO2 removal. A cylindrical-wire type discharge reactor was packed with glass beads as dielectric pellets and the plasmas were generated by dielectric pellet bed discharge. The TiO2 photocatalysts were coated onto the glass beads by the dip-coating method and were activated by the light from discharge. Experiments were carried out for three cases: NO removal only, SO2 removal only, and simultaneous NO and SO2 removal. As the voltage applied to the plasma reactor increased, or as the residence time increased, the NO and SO2 removal efficiencies increased. With increasing initial NO and SO2 concentrations, the NO and SO2 removal efficiencies decrease. The removal efficiencies for simultaneous NO and SO2 removal are lower than those for NO only or SO2 only.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Apr 15, 2009

References

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