As environmental regulations become stringent, new and novel processes for efficient treatment of various kinds of wastewater at relatively low operating cost are needed. In this context, researchers are trying various alternative processes, such as electrochemical approaches for treating polluted water. Two different mechanisms can be distinguished in the oxidation of organic molecules: the direct oxidation and indirect. By mediated electro-oxidation, chloride salts of sodium or potassium are added to the wastewater for better conductivity and generation of hypochlorite ions. The generated hypochlorite ions act as main oxidizing agent in the pollutant degradation. Therefore, this research aims to evaluate the production of active chlorine species in situ using electrochemical mediated approach for treating effluents produced at Federal University of Rio Grande do Norte, Brazil. From the results obtained, it was applied to the electrochemical treatment of real sample of wastewater effluent generated at UFRN with subsequent analysis of total organic carbon (TOC) to confirm the removal efficiency of pollutants and microorganisms.

Use of active chlorine for disinfection of water used for irrigation

248th National Meeting (2014)

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