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Continuous fungal treatment of non-sterile veterinary hospital effluent: pharmaceuticals removal and microbial community assessment

AuthorsBadia-Fabregat, Marina; Lucas, Daniel; Pereira, Maria Alcina; Madalena Alves, Maria; Pennanen, Taina; Fritze, Hannu; Rodríguez-Mozaz, Sara; Barceló, Damià ; Vicent, T.; Caminal, Glòria
KeywordsContinuous treatment
Pharmaceutically active compounds
Veterinary hospital wastewater
White-rot fungi
Issue Date1-Mar-2016
PublisherSpringer Nature
CitationApplied Microbiology and Biotechnology 100 (5): 2401-2415 (2016)
AbstractSource point treatment of effluents with a high load of pharmaceutical active compounds (PhACs), such as hospital wastewater, is a matter of discussion among the scientific community. Fungal treatments have been reported to be successful in degrading this type of pollutants and, therefore, the white-rot fungus Trametes versicolor was applied for the removal of PhACs from veterinary hospital wastewater. Sixty-six percent removal was achieved in a non-sterile batch bioreactor inoculated with T. versicolor pellets. On the other hand, the study of microbial communities by means of DGGE and phylogenetic analyses led us to identify some microbial interactions and helped us moving to a continuous process. PhAC removal efficiency achieved in the fungal treatment operated in non-sterile continuous mode was 44 % after adjusting the C/N ratio with respect to the previously calculated one for sterile treatments. Fungal and bacterial communities in the continuous bioreactors were monitored as well. © 2015, Springer-Verlag Berlin Heidelberg.
Publisher version (URL)https://doi.org/10.1007/s00253-015-7105-0
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