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Advanced oxidation processes in the treatment of trifluraline effluent
Ayrton Figueiredo Martins1, Danielle Marranquiel Henriques, Marcelo Luis Wilde
1Departamento de Química, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil. martins@quimica.ufsm.br
Abstract:
The treatment of an effluent from the production of trifluraline was studied using a 1-L, semi-batch, tank-stirred glass reactor for performing three different advanced oxidation processes (photoperoxidation, Fenton, photo-Fenton). A commercial, medium-pressure mercury lamp was used for sample irradiation. The degradation was monitored by measurements of absorptiometric color reduction, UV-visible absorption spectra, and chemical oxygen demand (COD). The obtained results showed that the photo-Fenton process was the most effective treatment for the trifluraline effluent.
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