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Prof. T. Hikmet Karakoc
Anadolu University, Faculty of Aeronautics and Astronautics, Turkey

IJET 2015 Vol.7(5): 438-444 ISSN: 1793-8236
DOI: 10.7763/IJET.2015.V7.833

Degradation of Sucralose by Peroxidation Assisted with Ultraviolet Radiation and Photo-Fenton

Gabriela F. Ferreira, Milena G. Maniero, and José R. Guimarães
Abstract—Substances discharged intobodies of water must be studied due to possible risk of contamination and consequent damage to nature and human health.Sucralose is an artificial sweetener widely used to produce diet food and beverage. Most of this substance is expelled intact fromthe human body; therefore, its concentration in rivers and wastewaters is increasing worldwide. In this work, sucralose degradation was performed using advanced oxidation processes (AOPs): peroxidation assisted by ultraviolet radiation (H2O2/UV), Fenton’s reagent (Fe(II)/H2O2/H+), and photo-Fenton (Fe(II)/H2O2/H+/UV). Mineralization of the sweetener was measured usingtotal organic carbon (TOC). In addition, AOPs were applied to different water matrices, such as ultrapure, synthetic, and surface waters. Experiments were performed to evaluate the toxicity of the solution during the degradation processes.

Index Terms—AOPs, sweetener, toxicity, UV.

J. R. Guimarães and M. G. Maniero are with School of Civil Engineering, Architecture and Urban Design of UNICAMP, Campinas, SP 13083852 Brazil (e-mail: jorober@fec.unicamp.br, milenagm@fec.unicamp.br).
G. F. Ferreira is with Chemical Engineering School of UNICAMP, Campinas, SP 13083852 Brazil (e-mail: g119458@dac.unicamp.br).

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Cite: Gabriela F. Ferreira, Milena G. Maniero, and José R. Guimarães, "Degradation of Sucralose by Peroxidation Assisted with Ultraviolet Radiation and Photo-Fenton," International Journal of Engineering and Technology vol. 7, no. 5, pp. 438-444, 2015.

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