Wan Abu Bakar, Wan Azelee and Ali, Rusmidah and M. Y., Othman (2010) Photocatalytic degradation and reaction pathway studies of chlorinated hydrocarbons in gaseous phase. Scientia Iranica Transaction C-Chemistry and Chemical Engineering, 17 (1). 1 -14. ISSN 1026-3098
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TiO2 was doped with various types of rst row transition metals towards the degradation of dichloromethane, chloroform, carbon tetrachloride and a mixture of carbon tetrachloride and chloroform.Zn2+/Fe3+/TiO2 photocatalyst with the ratio of 0.0005: 0.0005: 1 was revealed as the best catalyst inthis study. 41.05% of dichloromethane, 49.45% of chloroform and 37.84% of carbon tetrachloride weredegraded by this catalyst in the presence of UV light (6 W, 354 nm), irradiated for 90 minutes, and oxidizedVOCs gases were analyzed using GC-FID. In this study, the new species of CHCl+ 2 , CH2Cl+, CCl+2 and OCl+. CHCl+ 2 was detected to form from the photocatalytic degradation of chloroform while some new fragments, such as OCl+, CHCl+ 2 and CH2Cl+, are observed during the photocatalytic degradation of carbon tetrachloride.
|Uncontrolled Keywords:||photocatalyst, dichloromethane, chloroform, carbon tetrachloride titanium dioxide, chlorinated hydrocarbon, mineral components|
|Deposited By:||Liza Porijo|
|Deposited On:||18 Jul 2012 03:39|
|Last Modified:||13 Feb 2017 01:18|
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