Avaliação em escala laboratorial da utilização do processo eletrolítico no tratamento de águas

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Sociedade Brasileira de Química


Water treatment uses chlorine for disinfection causing formation of trihalomethanes. In this work, an electrolytic water pre-treatment was studied and applied to the water from a fountainhead. The action against microorganisms was evaluated using cast-iron and aluminum electrodes. Assays were made in laboratory using the electrolytic treatment. After 5 min of electrolysis the heterotrophic bacteria count was below 500 cfu/mL and complete elimination of total and fecal coliforms was observed. Using electrolytic treatment as a pretreatment of conventional tap water treatment is proposed.



electrolytic treatment, water disinfection, water quality

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Química Nova. Sociedade Brasileira de Química, v. 31, n. 3, p. 508-513, 2008.