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DYNA
versión impresa ISSN 0012-7353versión On-line ISSN 2346-2183
Resumen
RESTREPO, GLORIA MARIA et al. EVALUATION OF PHOTOCATALYTIC TREATMENT OF INDUSTRIAL WASTEWATER USING SOLAR ENERGY. Dyna rev.fac.nac.minas [online]. 2008, vol.75, n.155, pp.145-153. ISSN 0012-7353.
Wastewater of a chemical industry was treated in a photocatalytic process, using a solar photoreactor made of glass corrugated flat plates that had been set in cascade and using Titanium Dioxide (Degussa P-25) as photocatalyst that is supported on each one of them in film form. The influence of three variables in the decontamination efficiency were studied: amount of H2O2, volume of water and amount of dispersed TiO2, by means of the accomplishment of fifteen experiments carried out in discontinuous operation mode by a period of 5 hours for each test. The obtained results allow to establish that the FH is a viable technology of treatment like previous stage to a biological treatment since percentage of reduction in the DQO varies between 6 and 46% and was managed to reach a biodegradable effluent in all tests.
Palabras clave : Heterogeneous Photocatalysis; Solar Photoreactor; Advanced Oxidation Processes; Industrial wastewater.