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Degradation of microalgae from freshwater by UV radiation
M.M. Barrado-Moreno,J. Beltrán-Heredia,J. Martín-Gallardo 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.48 No.-
Algae (Chlorella,Microcystis, Oocystis and Scenedesmus) degradation by ultraviolet radiation has beeninvestigated. The radiation source was a low pressure mercury vapor lamp which emits monochromaticradiation at 254 nm. Experiments include initial algae concentration variation. After a period of exposureto UV radiation, algal mass concentration was reduced by more than 80%. The results were interpretedunder Line Source Spherical Emission model, so quantum yield was the appropriate target variable forexplaining the process. Global quantum yields are determined for Chlorella, Microcystis, Oocystis andScenedesmus being 7.75104, 3.65105, 2.28 105, 1.74104mg E 1, respectively.