Journal of Industrial and Engineering Chemistry

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Polymer material-supported titania nanofibers with different polyvinylpyrrolidone to $TiO_2$ ratios for degradation of vaporous trichloroethylene

  • Chun, Ho-Hwan (Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Jo, Wan-Kuen (Department of Environmental Engineering, Kyungpook National University)
  • Received : 2013.02.19
  • Accepted : 2013.06.15
  • Published : 2014.05.25
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Abstract

Polymer-supported $TiO_2$ nanofibers with different polyvinylpyrrolidone (PVP)-to-$TiO_2$ (PT) ratios were synthesized and their photocatalytic efficiencies were examined for the decomposition of trichloroethylene (TCE). The spectral results of the $TiO_2$ nanofibers confirmed the presence of $TiO_2$ crystal phases in the nanofibers. The $TiO_2$ nanofiber with the highest PT ratio of 1:1.3 showed the highest TCE decomposition (94%), followed by $TiO_2$ nanofibers with PT ratios of 1:0.7 (91%), 1:0.35 (88%), and 1:0.1 (84%). The conditions of low input concentration and humidity were suggested for the optimal decomposition of TCE. Consequently, the $TiO_2$ nanofiber webs could be used effectively to decompose TCE.

Keywords

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