Effect of UV Intensity and Wavelengh on Photocatalytic Degradation of Polycyclic Aromatic Hydrocarbons

Li Hong Zhang; Cheng Bin Xu; Zhong Lin Chen; Xue Mei Li

doi:10.4028/www.scientific.net/AMR.233-235.466

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 233-235Effect of UV Intensity and Wavelengh on...

Effect of UV Intensity and Wavelengh on Photocatalytic Degradation of Polycyclic Aromatic Hydrocarbons

Abstract:

The photocatalytic degradation of pyrene (PYRE) and benzo[a]pyrene (BaP) on soil surfaces in the presence of Fe₂O₃ using ultraviolet (UV) light source was investigated in a photo chamber, in which the temperature was maintained 30 . The effects of UV irradiation intensity and UV wavelength on the degradation performance of polycyclic aromatic hydrocarbons (PAHs) were studied. The results show that with the intensity of UV irradiation being enhanced, the photocatalytic degradation rates of PAHs were increased. Photocatalytic degradation rates of PYRE and BaP on soil surfaces with 5% Fe₂O₃ were different at UV irradiation wavelengths of 254, 310 and 365 nm, respectively.

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Periodical:

Advanced Materials Research (Volumes 233-235)

Pages:

466-469

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.233-235.466

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Online since:

May 2011

Authors:

Li Hong Zhang, Cheng Bin Xu, Zhong Lin Chen, Xue Mei Li

Keywords:

Photocatalytic, Polycyclic Aromatic Hydrocarbons (PAHs), Uv Intensity, UV Wavelengh

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