TiO2-Mediated Photochemical Disinfection of Escherichia coli Using Optical Fibers

Tadashi Matsunaga*, Mina Okochi

*この研究の対応する著者

研究成果: Article査読

125 被引用数 (Scopus)

抄録

We have constructed a system for photochemical disinfection of bacteria using a suspension of titanium dioxide and diffuse-light emitting optical fibers (DLEOFs). Disinfection of bacteria at high Ti02 concentrations was light-limited when conventional optical fibers were used to supply light to the cell suspension. However, when using DLEOFs that emit light laterally from their surface, light distribution throughout a suspension of Escherichia coliwas greatly improved even in the presence of high TiO2 concentrations. A 4-fold increase in photochemical disinfection was obtained at high TiO2 concentrations using DLEOFs rather than conventional optical fibers for light supply. The use of DLEOFs should provide a generally applicable method for photodisinfection of water supplies.

本文言語English
ページ(範囲)501-505
ページ数5
ジャーナルEnvironmental Science and Technology
29
2
DOI
出版ステータスPublished - 1995
外部発表はい

ASJC Scopus subject areas

  • 化学 (全般)
  • 環境化学

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