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Received October 15, 2010
Accepted August 23, 2011
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Removal of gaseous toluene by using TiO2 film doped of Ru-dye/Pt in a pilot scale photoreactor
Bio/Nano-Fusion Material Research Center, Sungkyunkwan University, Suwon 440-746, Korea 1Department of Chemical Engineering, Sungkyunkwan University, Suwon 440-746, Korea
bwkim@skku.edu
Korean Journal of Chemical Engineering, May 2012, 29(5), 549-554(6), 10.1007/s11814-011-0222-2
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Abstract
The photodegradation efficiency (PE) of gaseous toluene was investigated by using titanium dioxide (TiO2) film doped of ruthenium (Ru)-dye/platinum (Pt) in a 3,600 L pilot reactor. Ru-dye was applied as a sensitizer to enhance PE of toluene in both UV and visible wavelength range since its major peaks are 225 nm, 325 nm, 375 nm, and 525 nm. PE by using Pt/TiO2 was more enhanced since Pt plays a role as an electron trapper in UV light range. The 3.2 μm thickness of TiO2 film was optimized for the highest PE. The highest PE was 75%, 85%, and 90% by TiO2, Pt/TiO2, and Ru-dye/Pt/TiO2 film, respectively.
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Falconer JL, Magrini-Bair KA, J. Catal., 179(1), 171 (1998)
d’Hennezel O, Pichat P, Oillis DF, J. Photochem. Photobiol.A: Chem., 118, 197 (1998)
