Highly efficient Zr doped-TiO2/glass fiber photocatalyst and its performance in formaldehyde removal under visible light

Chao Huang, Yaping Ding, Yingwen Chen, Peiwen Li, Shemin Zhu, Shubao Shen

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Zr-doped-TiO2 loaded glass fiber (ZT/GF) composite photocatalysts with different Zr/Ti ratios were prepared with a sol–gel process. Zr4 + can replace Ti4 + in the TiO2 lattice, which is conducive to forming the anatase phase and reducing the calcination temperature. The glass fiber carrier was responsible for better dispersion and loading of Zr-doped-TiO2 particles, improving the applicability of the Zr-doped-TiO2. The ZT/GF photocatalysts were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FT-IR), ultraviolet–visible spectroscopy (UV–vis) and Barrett–Joyner–Halenda (BJH). The performance of photocatalysts with different loading was evaluated in formaldehyde degradation under visible light at room temperature. ZT/GF0.2 exhibited the highest activity, with a formaldehyde removal rate as high as 95.14% being observed, which is better than that of the photocatalyst particles alone. The stability of the catalyst was also tested, and ZT/GF exhibited excellent catalytic performance with 94.38% removal efficiency, even after seven uses.

Original languageEnglish (US)
Pages (from-to)61-69
Number of pages9
JournalJournal of Environmental Sciences
Volume60
DOIs
StatePublished - Oct 1 2017

Fingerprint

glass fibers
Photocatalysts
formaldehyde
Formaldehyde
Glass fibers
glass
Light
Temperature
anatase
fiber composites
Fourier Transform Infrared Spectroscopy
FTIR spectroscopy
X-Ray Diffraction
Calcination
roasting
Titanium dioxide
Fourier transform infrared spectroscopy
Spectrum Analysis
Electron microscopes
electron microscopes

Keywords

  • Formaldehyde
  • Glass fiber
  • Photocatalyst
  • TiO
  • Zr

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Science(all)
  • Environmental Chemistry
  • Medicine(all)

Cite this

Highly efficient Zr doped-TiO2/glass fiber photocatalyst and its performance in formaldehyde removal under visible light. / Huang, Chao; Ding, Yaping; Chen, Yingwen; Li, Peiwen; Zhu, Shemin; Shen, Shubao.

In: Journal of Environmental Sciences, Vol. 60, 01.10.2017, p. 61-69.

Research output: Contribution to journalArticle

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