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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 931-932Photocatalytic Degradation of 2-chlorophenol over...

Photocatalytic Degradation of 2-chlorophenol over TiO₂ Powder

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Abstract:

Titanium dioxide (TiO₂) powder was prepared by hydrothermal route. Titanium isopropoxide, ammonium hydroxide and nitric acid were used as the starting materials. The final pH value of mixed solution was 1 and treated at 80 and 100 °C for 26h. The phase transition of TiO₂ powder was studied by Xray diffraction (XRD). Multiphase of anatase and rutile of TiO₂ powder were obtained at 80 and 100 °C for 26h without calcination steps. The morphology of TiO₂ powder was investigated by scanning electron microscopy (SEM). The particle was highly agglomerated and irregular in shape with the range of particle size of 0.10.3 μm. The chemical composition of TiO₂ powder was examined by energy dispersive spectroscopy (EDS). The element chemical compositions show the characteristic Xray energy level as follows: titanium K_α = 4.51 keV and K_β = 4.93 keV and oxygen K_α = 0.52 keV, respectively. The photocatalytic degradation efficiency of 2chlorophenol (2CP) over TiO₂ powder was determined by gas chromatography (GC). It was found that TiO₂ powder prepared by hydrothermal route at 80 °C for 2h was the best efficiency for photocatalytic degradation of 2CP.

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Periodical:

Advanced Materials Research (Volumes 931-932)

Pages:

291-295

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.931-932.291

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Online since:

May 2014

Authors:

Pusit Pookmanee*, Songpon Ngamta, Wiyong Kangwansupamonkon, Ratchadaporn Puntharod, Supaporn Sangsrichan, Jiraporn Kittikul, Sukon Phanichphant

Keywords:

Chlorophenol, Hydrothermal Route, Photocatalytic, TiO₂

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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