Journal of Magnetics

The Korean Magnetics Society (한국자기학회)
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Photocatalytic Degradation of Oxytetracycline Using Co-precipitation Method Prepared Fe2O3/TiO2 Nanocomposite

  • Jia, Yuefa (Department of Physics and Oxide Research Center, Hankuk University of Foreign Studies) ;
  • Liu, Chunli (Department of Physics and Oxide Research Center, Hankuk University of Foreign Studies) ;
  • Li, Rong (Research Center of Nano Science and Technology, Shanghai University)
  • Received : 2015.12.30
  • Accepted : 2016.02.11
  • Published : 2016.03.31
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Abstract

$Fe_2O_3/TiO_2$ nanocomposite were successfully synthesized by co-precipitation method using $Fe(NO_3)_3{\cdot}9H_2O$ and $Ti(SO_4)_2$ as raw materials. Structural and textural features of the mixed oxide samples were characterized by X-ray diffractometer, field emission scanning electron microscopy and energy-dispersive X-ray. The effects of initial concentration of oxytetracycline (OTC), different competitive ions and organics on the photocatalytic degradation rate of OTC by the $Fe_2O_3/TiO_2$ nanocomposite were analyzed under UV and visible light irradiation. The results indicate that the optimized initial concentration of OTC was 50 mg/L to achieve the best photocatalytic efficiency. $Cu^{2+}$, $NH_4{^+}$, $C_3H_8O$ and EDTA in the aqueous suspension were found to suppress the degradation rate of OTC, whereas the effect of $NO_3{^-}$ and $H_2C_2O_4$ can be ignored.

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References

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