NDLI: A Novel Rotary Drum Filtering Photoreactor for Wastewater Treatment Using Titanium Dioxide Nanoparticles

Content Provider	IEEE Xplore Digital Library
Author	Tanthapanichakoon, W. Charinpanitkul, T. Yamamoto, T. Sano, N. Thongprachan, N.
Copyright Year	2007
Description	Author affiliation: National Nanotechnology Center, National Sci. & Technol. Dev. Agency, Bangkok (Tanthapanichakoon, W.)
Abstract	A rotary drum filtering photoreactor using titanium dioxide $(TiO_{2})$ as photocatalyst could eliminate the problem of catalyst loss by elutriation with the effluent stream. The effects of operating conditions, namely, rotating speed and filtration velocity on phenol removal were investigated. The experimental results revealed that the rates of phenol decomposition and total organic carbon (TOC) depletion decreased against the increased rotating speed. The suitable speed of the drum was 5 rpm. As for the filtration velocity, the phenol decomposition and TOC depletion rates achieved their maxima when the filtration velocity was 0.73 cm $min^{-1}.$ To obtain the intrinsic capacity of $TiO_{2}$ cake in degrading phenol, the photolysis of phenol was also studied. The results indicated that the photolysis efficiency of phenol after 360 min was 4.96% while the decomposition efficiency of phenol was 21.47%. They indicated that the presence of $TiO_{2}$ cake was a key factor for degrading phenol. In addition, the dark adsorption of phenol on $TiO_{2}$ cake after 30 min was insignificant at about 0.95%.
Starting Page	438
Ending Page	442
File Size	258269
Page Count	5
File Format	PDF
ISBN	1424406102
DOI	10.1109/NEMS.2007.352054
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-01-16
Publisher Place	Thailand
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Filtering Wastewater treatment Titanium Nanoparticles Chemical technology Inductors Filtration Chemical industry Thermal degradation Chemical engineering cake filtration titanium dioxide photocatalytic degradation rotary drum reactor
Content Type	Text
Resource Type	Article

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