Fabrication of Light-Leakage Type Photocatalytic Fiber Bundle for Photodegradation of Basic Dye

  • Usami Hisanao
    Department of Fine Materials Engineering, Faculty of Textile Science and Technology, Shinshu University
  • Enami Yukiko
    Department of Fine Materials Engineering, Faculty of Textile Science and Technology, Shinshu University
  • Nakasa Akihiko
    Department of Fine Materials Engineering, Faculty of Textile Science and Technology, Shinshu University
  • Suzuki Eiji
    Department of Fine Materials Engineering, Faculty of Textile Science and Technology, Shinshu University
  • Murakami Yasushi
    Department of Fine Materials Engineering, Faculty of Textile Science and Technology, Shinshu University

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Light-leakage type photocatalytic fibers coated with a titanium oxide layer were fabricated to decontaminate aqueous waste solution. The titanium oxide layer was prepared by a sol-gel process using titanium tetra-butoxide and salt catalyst, and characterized by SEM and EDX analyses. The titanium oxide layer was sufficiently dense and stable against long term UV-irradiation in aqueous solutions. The fibers were bundled into a tube of about 3 mm in diameter, constituting a tubular reactor that promotes photocatalytic degradation of basic dyes by a single pass process.

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