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Processes influencing the destruction of Microcystin-LR by TiO2 photocatalysis.

Robertson, Peter K.J.; Lawton, Linda A.; Cornish, Benjamin J.P.A.; Jaspars, Marcel

Authors

Peter K.J. Robertson

Benjamin J.P.A. Cornish

Marcel Jaspars



Abstract

We have previously reported the effectiveness of TiO2 photocatalysis in the destruction of the cyanotoxin microcystin-LR [P.K.J. Robertson, L.A. Lawton, B. Münch, J. Rouzade, J. Chem. Soc., Chem. Commun., 4 (1997) 393; P.K.J. Robertson, L.A. Lawton, B. Münch, B.J.P.A. Cornish, J. Adv. Oxid. Technol., in press]. In this paper we report an investigation of factors which influence the rate of the toxin destruction at the catalyst surface. A primary kinetic isotope effect of approximately 3 was observed when the destruction was performed in a heavy water solvent. Hydroxylated compounds were observed as products of the destruction process. No destruction was observed when the process was investigated under a nitrogen atmosphere.

Journal Article Type Article
Publication Date Jul 30, 1998
Journal Journal of photochemistry and photobiology A: chemistry
Print ISSN 1010-6030
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 116
Issue 3
Pages 215-219
Institution Citation ROBERTSON, P.K.J., LAWTON, L.A., CORNISH, B.J.P.A. and JASPARS, M. 1998. Processes influencing the destruction of Microcystin-LR by TiO2 photocatalysis. Journal of photochemistry and photobiology A: chemistry [online], 116(3), pages 215-219. Available from: https://doi.org/10.1016/S1010-6030(98)00312-8
DOI https://doi.org/10.1016/S1010-6030%2898%2900312-8
Keywords MicrocystinLR; Photocatalysis; Solvent

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