期刊
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
卷 233, 期 -, 页码 53-59出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2012.02.023
关键词
Heterogeneous photo Fenton; Zero valent iron; 2-Chlorophenol; Optical properties; Radiation field
资金
- Universidad Nacional del Litoral
- Consejo Nacional de Investigaciones Cientificas y Tecnicas
- Agencia Nacional de Promocion Cientifica y Tecnologica
In the present work the influence of various factors on the degradation of 2-chlorophenol (2-CP) via heterogeneous photo Fenton reaction using zero valent iron (ZVI) nanoparticles as a source of iron was studied. The results were compared with those obtained using goethite as a reservoir of iron. During the study the pH, catalyst loading and the level of irradiation were varied. In the results it can be observed: (i) a high dependence of the working pH, rendering better results as pH decreases, (ii) a great improvement in conversion by applying radiation, as compared with the data obtained under dark conditions, (iii) an interesting non-linearity between conversion and catalyst loading, which can be partially explained by estimating the average radiation absorption available in the reactor for different catalyst loads, using the information given by the optical properties of ZVI. (C) 2012 Elsevier B.V. All rights reserved.
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