Article (Scientific journals)
Adverse effects of erythromycin on the structure and chemistry of activated sludge
Louvet, Jean-Noël; Giammarino, Cinzia; Potier, Olivier et al.
2010In Environmental Pollution, 158, p. 688-693
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Keywords :
Macrolide; Antibiotic; Inhibition; Nitrification; Toxicity
Abstract :
[en] This study examines the effects of erythromycin on activated sludge from two French urban wastewater treatment plants (WWTPs). Wastewater spiked with 10 mg/L erythromycin inhibited the specific evolution rate of chemical oxygen demand (COD) by 79% (standard deviation 34%) and the specific N–NH 4 þ evolution rate by 41% (standard deviation 25%). A temporary increase in COD and tryptophan-like fluorescence, as well as a decrease in suspended solids, were observed in reactors with wastewater containing erythromycin. The destruction of activated sludge flocs was monitored by automated image analysis. The effect of erythromycin on nitrification was variable depending on the sludge origin. Erythromycin inhibited the specific nitrification rate in sludge from one WWTP, but increased the nitrification rate at the other facility.
Research center :
Centre National de la Recherche Scientifique (CNRS)
Disciplines :
Chemical engineering
Author, co-author :
Louvet, Jean-Noël ;  LSGC Nancy Université INPL
Giammarino, Cinzia;  LSGC Nancy Université INPL
Potier, Olivier;  LSGC Nancy Université INPL
Pons, Marie-Noëlle
Language :
English
Title :
Adverse effects of erythromycin on the structure and chemistry of activated sludge
Publication date :
2010
Journal title :
Environmental Pollution
ISSN :
0269-7491
eISSN :
1873-6424
Publisher :
Elsevier Science, Oxford, United Kingdom
Volume :
158
Pages :
688-693
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Antibi-eau
Funders :
ANR - Agence Nationale de la Recherche [FR]
Available on ORBi :
since 17 June 2012

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