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Large solar plant photocatalytic water decontamination: degradation of atrazine
Photocatalytic degradation of atrazine was successfully and efficiently carried out in a large modular flow trough system under solar light. The degradation leads to complete mineralization of the alkyl substituents of s-triazine, giving trihydroxy-s-triazine as a final product. An efficient detoxification can be attained. The presence of 1*10-3 M of peroxydisulphate, kept constant during the treatment, is sufficient to remove 98% of atrazine with very short residence times (less than 6 min), and to convert the parent triazine to more than 90% of trihydroxy-s-triazine in less than 2 h. The peroxydisulphate is particularly advantageous when large amounts of polluted groundwater have to be treated. The factors affecting the total efficiency are discussed in view of a simple model for the primary events in the photocatalytic system.
Large solar plant photocatalytic water decontamination: degradation of atrazine
Photocatalytic degradation of atrazine was successfully and efficiently carried out in a large modular flow trough system under solar light. The degradation leads to complete mineralization of the alkyl substituents of s-triazine, giving trihydroxy-s-triazine as a final product. An efficient detoxification can be attained. The presence of 1*10-3 M of peroxydisulphate, kept constant during the treatment, is sufficient to remove 98% of atrazine with very short residence times (less than 6 min), and to convert the parent triazine to more than 90% of trihydroxy-s-triazine in less than 2 h. The peroxydisulphate is particularly advantageous when large amounts of polluted groundwater have to be treated. The factors affecting the total efficiency are discussed in view of a simple model for the primary events in the photocatalytic system.
Large solar plant photocatalytic water decontamination: degradation of atrazine
Photokatalytische Wasserdekontamination bei großen Sonnenanlagen: Degradation von Atrazin
Minero, C. (author) / Pelizzetti, E. (author) / Malato, S. (author) / Blanco, J. (author)
Solar Energy ; 56 ; 411-419
1996
9 Seiten, 23 Quellen
Article (Journal)
English
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