Activated sludge behaviour in a batch reactor in the presence of antibiotics: study of extracellular polymeric substances-Reference-Cited by-同舟云学术

Activated sludge behaviour in a batch reactor in the presence of antibiotics: study of extracellular polymeric substances

Published:2010-06-01 Issue:12 Volume:61 Page:3147-3155
ISSN:0273-1223
Container-title:Water Science and Technology
language:en
Short-container-title:

Author:

Avella A. C.¹,Essendoubi M.²,Louvet J. N.³,Görner T.¹,Sockalingum G. D.²,Pons M. N.³,Manfait M.²,de Donato Ph.¹

Affiliation:

1. Laboratoire Environnement et Minéralurgie, Nancy-Université, LEM UMR CNRS INPL 7569, 15 avenue du Charmois, 54500 Vandœuvre-les-Nancy, France

2. Unité Médicament, Dynamique Intracellulaire, Architecture Nucléaire (MéDIAN). Reims - Université, UFR Pharmacie, CNRS UMR 6237, 51 Rue Cognacq-Jay, F-51096 Reims, France

3. Laboratoire des Sciences du Génie Chimique (LSGC). Nancy - Université, CNRS UMR 5503, 1 rue Grandville B.P 20451, F-54001 Nancy, France

Abstract

The influence of Erythromycin,Roxithromycin,Amoxicillin, Tetracycline and Sulfamethoxazole on municipal sludge in batch reactors was investigated. The study was focused on extracellular polymeric substances (EPS) as indicator of bacteria sensitivity to toxic agents. The EPS were analysed by UV-Vis and FT-IR spectroscopies and by size exclusion chromatography. It was found that Erythromycin and Roxithromycin induced a significant increase of bound EPS in flocs. This was attributed to a protection mechanism of the bacteria. Erythromycin was the only antibiotic which inhibited COD and nitrogen removal.

Publisher

IWA Publishing

Subject

Water Science and Technology,Environmental Engineering

Link

http://iwaponline.com/wst/article-pdf/61/12/3147/446028/3147.pdf

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