Active heterotrophic biomass and sludge retention time (SRT) as determining factors for biodegradation kinetics of pharmaceuticals in activated sludge
Identifieur interne : 000406 ( PascalFrancis/Corpus ); précédent : 000405; suivant : 000407Active heterotrophic biomass and sludge retention time (SRT) as determining factors for biodegradation kinetics of pharmaceuticals in activated sludge
Auteurs : Marius Majewsky ; Tom Galle ; Viviane Yargeau ; Klaus FischerSource :
- Bioresource technology [ 0960-8524 ] ; 2011.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
The present study investigates the biodegradation of pharmaceutically active compounds (PhACs) by active biomass in activated sludge. Active heterotrophs (Xbh) which are known to govern COD removal are suggested as a determining factor for biological PhAC removal as well. Biodegradation kinetics of five polar PhACs were determined in activated sludge of two wastewater treatment plants which differed in size, layout and sludge retention time (SRT). Results showed that active fractions of the total suspended solids (TSS) differed significantly between the two sludges, indicating that TSS does not reveal information about heterotrophic activity. Furthermore, PhAC removal was significantly faster in the presence of high numbers of heterotrophs and a low SRT. Pseudo first-order kinetics were modified to include Xbh and used to describe decreasing PhAC elimination with increasing SRT.
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Format Inist (serveur)
NO : | PASCAL 11-0327054 INIST |
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ET : | Active heterotrophic biomass and sludge retention time (SRT) as determining factors for biodegradation kinetics of pharmaceuticals in activated sludge |
AU : | MAJEWSKY (Marius); GALLE (Tom); YARGEAU (Viviane); FISCHER (Klaus) |
AF : | Resource Center for Environmental Technologies (CRTE) - CRP Henri Tudor, 66, rue de Luxembourg/4221 Esch-sur-Alzette/Luxembourg (1 aut., 2 aut.); Department of Chemical Engineering, McGill University, 3610 University Street/Montreal, Quebec, H3A 2B2/Canada (3 aut.); Department of Analytical and Ecological Chemistry, University of Trier, Behringstr. 21/54296 Trier/Allemagne (4 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Bioresource technology; ISSN 0960-8524; Royaume-Uni; Da. 2011; Vol. 102; No. 16; Pp. 7415-7421; Bibl. 1/2 p. |
LA : | Anglais |
EA : | The present study investigates the biodegradation of pharmaceutically active compounds (PhACs) by active biomass in activated sludge. Active heterotrophs (Xbh) which are known to govern COD removal are suggested as a determining factor for biological PhAC removal as well. Biodegradation kinetics of five polar PhACs were determined in activated sludge of two wastewater treatment plants which differed in size, layout and sludge retention time (SRT). Results showed that active fractions of the total suspended solids (TSS) differed significantly between the two sludges, indicating that TSS does not reveal information about heterotrophic activity. Furthermore, PhAC removal was significantly faster in the presence of high numbers of heterotrophs and a low SRT. Pseudo first-order kinetics were modified to include Xbh and used to describe decreasing PhAC elimination with increasing SRT. |
CC : | 002A31D07B; 001D16B; 215 |
FD : | Hétérotrophie; Biomasse; Déchet; Temps rétention; Dégradation biologique; Cinétique; Propriété pharmacologique; Boue activée |
ED : | Heterotrophy; Biomass; Wastes; Retention time; Biodegradation; Kinetics; Pharmacological activity; Activated sludge |
SD : | Heterotrofía; Biomasa; Desperdicio; Tiempo retención; Degradación biológica; Cinética; Propiedad farmacológica; Lodo activado |
LO : | INIST-18769.354000190464820060 |
ID : | 11-0327054 |
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Pascal:11-0327054Le document en format XML
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<ET>Active heterotrophic biomass and sludge retention time (SRT) as determining factors for biodegradation kinetics of pharmaceuticals in activated sludge</ET>
<AU>MAJEWSKY (Marius); GALLE (Tom); YARGEAU (Viviane); FISCHER (Klaus)</AU>
<AF>Resource Center for Environmental Technologies (CRTE) - CRP Henri Tudor, 66, rue de Luxembourg/4221 Esch-sur-Alzette/Luxembourg (1 aut., 2 aut.); Department of Chemical Engineering, McGill University, 3610 University Street/Montreal, Quebec, H3A 2B2/Canada (3 aut.); Department of Analytical and Ecological Chemistry, University of Trier, Behringstr. 21/54296 Trier/Allemagne (4 aut.)</AF>
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<EA>The present study investigates the biodegradation of pharmaceutically active compounds (PhACs) by active biomass in activated sludge. Active heterotrophs (X<sub>bh</sub>
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