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The TiO(2) catalyzed photodegradation, an innovative photochemical process, permits the elimination of organic micro-contaminants in water leading to the complete mineralization of organic compounds to CO(2) and H(2)O. This paper has been dedicated to the study of the photodegradation of triazinic herbicides, and prometryne and prometon have been selected for detailed experiments. Tests have been conducted at different concentration levels to verify the reaction order of decomposition and to test whether the photodegradation follows the kinetic model of Langmuir-Hinshelwood. On the basis of the obtained results a mechanistic interpretation was attempted in order to detect any limitation of the process.

Additional information

Authors: BORIO O, Istituto dell'Ambiente, Centro Comune di Ricerca, Ispra (IT);MUNTAU H, Istituto dell'Ambiente, Centro Comune di Ricerca, Ispra (IT);BELLOBONO I R, Dipartimento di Chimica Fisica ed Elettrochimica, Università degli Studi di Milano (IT)
Bibliographic Reference: EUR 17747 IT (1998) 34pp., free of charge
Availability: Available from the Public Relations and Publications Unit, JRC Ispra, I-21020 Ispra (IT), Fax: +39-332-785818
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