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

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 a...

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Vydáno v:Water science and technology Ročník 61; číslo 12; s. 3147 - 3155
Hlavní autoři: Avella, A. C., Essendoubi, M., Louvet, J. N., Görner, T., Sockalingum, G. D., Pons, M. N., Manfait, M., de Donato, Ph
Médium: Journal Article
Jazyk:angličtina
Vydáno: England IWA Publishing 01.01.2010
Témata:
Activated sludge
Amoxicillin
Amoxicillin - analysis
Anti-Bacterial Agents - analysis
Antibiotics
Bacteria
Batch reactors
Biodegradation
Biofilms
Biomass
Bioreactors
Chemical and Process Engineering
Chemical engineering
Chromatography
Chromatography, Gel
Efficiency
Effluents
Engineering Sciences
Engineering, computing & technology
Environmental Engineering
Environmental Sciences
Erythromycin
Erythromycin - analysis
Experiments
extracellular polymers substances
fourier transform micro-spectroscopy
Fourier transforms
Infections
Ingénierie chimique
Ingénierie, informatique & technologie
Metabolites
Microorganisms
Municipal wastes
Nitrogen
Nitrogen - isolation & purification
Nitrogen removal
Pollutants
Polymers
Reactors
Roxithromycin - analysis
Sensitivity analysis
Sewage - analysis
Size exclusion chromatography
Sludge
Spectrophotometry
Spectrophotometry, Infrared
Spectrum analysis
Sulfamethoxazole - analysis
Tetracycline - analysis
Veterinary medicine
Water treatment
BACTERIA
EFFLUENT
REMOVAL
PHARMACEUTICALS
PRODUCTS
WASTE-WATER
AQUATIC ENVIRONMENT
ISSN:0273-1223, 1996-9732, 1996-9732
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Shrnutí: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.
Bibliografie:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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scopus-id:2-s2.0-77956629445
ISSN:0273-1223
1996-9732
1996-9732
DOI:10.2166/wst.2010.924