| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4416925 | Chemosphere | 2006 | 7 Pages |
Abstract
In the presence of chloroacetic acids, the photocatalytic hydrogen evolution and decomposition of the pollutants over Pt/TiO2 have been investigated. The Pt/TiO2 was prepared by photodeposition. Monochloroacetic acid and dichloroacetic acid enhance photocatalytic hydrogen generation, whereas trichloroacetic acid does not. The photocatalytic oxidation of monochloroacetic acid and dichloroacetic acid mainly produces CO2, HCl and formaldehyde, whereas the photocatalytic oxidation of trichloroacetic acid mainly produces CO2 and HCl. The effect of the concentration of monochloroacetic acid and dichloroacetic acid on the hydrogen generation rate is consistent with a Langmuir–Hinshelwood kinetic model. A possible reaction mechanism was discussed.
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Authors
Yuexiang Li, Yanzhao Xie, Shaoqin Peng, Gongxuan Lu, Shuben Li,