Photocatalytic degradation of diuron [3-(3,4-dichlorophenyl)-1,1-dimethylurea] on the layer of TiO2 particles in the batch mode plate film reactor
✍ Scribed by Hana Krýsová; Josef Krýsa; Kateřina Macounová; Jaromír Jirkovský
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1998
- Tongue
- English
- Weight
- 358 KB
- Volume
- 72
- Category
- Article
- ISSN
- 0268-2575
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✦ Synopsis
The photocatalytic degradation of diuron in aqueous solution on TiO 2 layer of a batch mode plate reactor irradiated with ultraviolet sun-bed tubes was investigated. Dependence of the reaction rate on the diuron concentration (in the range of 0É8È8É0 ] 10~5 mol dm~3) and on the light intensity (0É8È2É7 ] 10~9 einstein cm~2 s~1) but independence on the Ñow rate (2É5È3É6 dm3 min~1) were found. A reaction scheme was proposed following the main identiÐed primary [3-(3,4-dichlorophenyl)-1-methyl-1-formylurea and 3-(3,4-dichlorophenyl)-1-methylurea] and secondary [3-(3,4-dichlorophenyl)-1-formylurea and 3,4-dichlorophenylurea] products.