Photocatalytic treatment of dimethoate by solar photocatalysis at pilot plant scale |
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Authors: | I Oller W Gernjak M I Maldonado P Fernández-Ibáñez J Blanco J A Sánchez-Pérez S Malato |
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Institution: | (1) Plataforma Solar de Almería (CIEMAT), Carretera Senes, Km 4. 04200 Tabernas (Almería), Spain;(2) Departamento de Ingeniería Química, Universidad de Almería, Carretera de Sacramento s/n, 04120 Almería, Spain |
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Abstract: | Titanium dioxide photocatalysis, using 200 mgl−1 of TiO2, and photo-Fenton, using 20 mg l−1 of iron, were applied to the treatment of dimethoate dissolved in water at 50 mg l−1. A heterogeneous photocatalysis test was performed in a 35-l solar pilot plant with Compound Parabolic Collectors (CPCs)
under natural illumination. A homogeneous photocatalysis test was performed in a different solar pilot plant with four CPC
units and a total volume of 75 l. In this work total disappearance of dimethoate and 90% of mineralization were attained in
both solar treatments. Treatment time, hydrogen peroxide consumption and ferric phosphate precipitation during photo-Fenton
treatment were discussed.
An erratum to this article can be found at |
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Keywords: | Dimethoate Photo-Fenton Solar photocatalysis |
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