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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Saidi, Imen Fourcade, Florence Floner, Didier Soutrel, Isabelle Bellakhal, Nizar Amrane, Abdeltif Geneste, Florence |
| Description | Country affiliation: France Author Affiliation: Saidi I ( a Institut des Sciences Chimiques de Rennes , Université de Rennes 1, UMR-CNRS 6226 , Rennes , France.); Fourcade F ( c Unité de recherche de Catalyse d'Electrochimie de Nanomatériaux et leurs applications et de didactique CENAD , Institut National des Sciences Appliquées et de Technologie (INSAT) , Tunis Cedex , Tunisie.); Floner D ( d Institute of Chemical Sciences of Rennes , Université Européenne de Bretagne, 5 boulevard Laënnec , 35000 Rennes , France.); Soutrel I ( a Institut des Sciences Chimiques de Rennes , Université de Rennes 1, UMR-CNRS 6226 , Rennes , France.); Bellakhal N ( b Ecole Nationale Supérieure de Chimie de Rennes , Université de Rennes 1, UMR-CNRS 6226 , Rennes , France.); Amrane A ( d Institute of Chemical Sciences of Rennes , Université Européenne de Bretagne, 5 boulevard Laënnec , 35000 Rennes , France.); Geneste F ( a Institut des Sciences Chimiques de Rennes , Université de Rennes 1, UMR-CNRS 6226 , Rennes , France.) |
| Abstract | A coupled electrochemical process and biological treatment was used to remove a biorecalcitrant antibiotic: sulfamethazine (SMT). The pretreatment was performed in a home-made flow cell involving graphite felt as a working electrode at potentials of 1 and 1.6â V/saturated calomel electrode (SCE); it was followed by a biological process involving activated sludge purchased from a local wastewater treatment plant. Activated sludge cultures of pretreated and non-pretreated SMT solution were carried out for 3 weeks, and different parameters were monitored, especially total organic carbon (TOC) and SMT concentrations. high-performance liquid chromatography results revealed that the target molecule was not assimilated by activated sludge. However, and confirming the improvement previously observed for the biological oxygen demand/chemical oxygen demand (BOD /COD) ratio, from 0.08 before electrolysis to 0.58 after electrolysis, a pretreatment step in oxidation at 1.6â V/SCE led to a fast decrease of TOC during the subsequent biological treatment, since the mineralization yields increased from 10% for a non-pretreated SMT solution to 76.6% after electrolysis in oxidation (1.6â V/SCE), confirming the efficiency of coupling the electro-oxidation process with a biological treatment for the mineralization of SMT. Moreover, when the electrolysis was performed at 1â V/SCE, no biodegradation was observed, underlining the importance of the electrochemical pretreatment. |
| File Format | HTM / HTML |
| ISSN | 09593330 |
| Journal | Environmental Technology |
| e-ISSN | 1479487X |
| Language | English |
| Publisher | Taylor & Francis |
| Publisher Date | 2017-01-12 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Health |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Waste Management and Disposal Medicine Water Science and Technology |
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