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Optimization of ciprofloxacin degradation in wastewater by homogeneous sono-Fenton process at high frequency

González-Labrada, Katia and Alcorta Cuello, Diana Rosa and Saborit Sánchez, Israel and García Batle, Marise and Manero, Marie-Hélène and Barthe, Laurie and Jáuregui-Haza, Ulises Javier Optimization of ciprofloxacin degradation in wastewater by homogeneous sono-Fenton process at high frequency. (2019) Journal of Environmental Science and Health, Part A. 1-10. ISSN 1093-4529

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Official URL: https://doi.org/10.1080/10934529.2018.1530177


Emerging pollutants such as pharmaceuticals have been focusing international attention for a few decades. Ciprofloxacin (CIP) is a common drug that is widely found in hospital and wastewater treatment plants effluents, as well as in rivers. In this work, the feasibility of CIP degradation by ultrasound process at high frequency is discussed and sonolysis, sonolysis with hydrogen peroxide and sono-Fenton are evaluated. The amounts of hydrogen peroxide and ferrous ions (Fe2+) needed were optimized using response surface methodology. Best results were obtained with the sono-Fenton process resulting in a total pharmaceutical degradation within 15 min and a mineralization greater than 60% after 1 h. Optimal conditions were tested on a real matrix from a municipal wastewater treatment plant. Even if the degradation of the pollutants by sono-Fenton was hampered, the removal efficiency of both CIP and total organic carbon (TOC) is interesting as an increase in the biodegradability of the wastewater is found. These results show that sono-Fenton oxidation can be a promising pretreatment process for pharmaceutical-containing wastewaters.

Item Type:Article
HAL Id:hal-02354658
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Other partners > Universidad Tecnológica de la Habana José Antonio Echeverría - CUJAE (CUBA)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Instituto Superior de Tecnologias y Ciencias Aplicadas - InSTEC (CUBA)
Laboratory name:
Deposited On:19 Feb 2019 09:42

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