Degradation of organic matter from wastewater using advanced primary treatment by O<inf>3</inf> and O<inf>3</inf>/UV in a pilot plant

Yaneth Bustos-Terrones, Jesús Gabriel Rangel-Peraza, Antonio Sanhouse, Erick R. Bandala, Luis G. Torres

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

© 2016 Elsevier Ltd. The oxidation of organic matter from wastewater using ozone, ultraviolet radiation and ozone/UV oxidation was evaluated in a pilot plant, applying a continuous effluent arising from the Autonomous Metropolitan University wastewater treatment plant. The oxidation was measured as the efficiency to remove organic load, measured as chemical oxygen demand. The use of ozone and UV was evaluated separately and in combination through a continuous process. Three different ozone doses (0.6-1.2 mg O3/L) and three different UV radiation fluencies (6.7-20.12 mJ/cm2) were assessed. A synergistic effect of the combined process ozone/UV was demonstrated, and a maximal chemical oxygen demand reduction was achieved both processes. Due to residence times used (less than 1 min), 36% of chemical oxygen demand reduction was obtained when ozone treatment was evaluate separately and only 9% using ultraviolet radiation.
Original languageAmerican English
Pages (from-to)61-67
Number of pages54
JournalPhysics and Chemistry of the Earth
DOIs
StatePublished - 1 Feb 2016

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