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Pàgina inicial > Articles > Articles publicats > Long-term continuous treatment of non-sterile real hospital wastewater by Trametes versicolor |
Data: | 2019 |
Resum: | Hospital wastewater is commonly polluted with high loads of pharmaceutically active compounds, which pass through wastewater treatment plants (WWTPs) and end up in water bodies, posing ecological and health risks. White-rot fungal treatments can cope with the elimination of a wide variety of micropollutants while remaining ecologically and economically attractive. Unfortunately, bacterial contamination has impeded so far a successful implementation of fungal treatment for real applications. This work embodied a 91-day long-term robust continuous fungal operation treating real non-sterile hospital wastewater in an air pulsed fluidized bed bioreactor retaining the biomass. The hydraulic retention time was 3 days and the ageing of the biomass was avoided through partial periodic biomass renovation resulting in a cellular retention time of 21 days. Evolution of microbial community and Trametes abundance were evaluated. The operation was able to maintain an average pharmaceutical load removal of over 70% while keeping the white-rot fungus active and predominant through the operation. The online version of this article (10. 1186/s13036-019-0179-y) contains supplementary material, which is available to authorized users. |
Ajuts: | Ministerio de Economía y Competitividad CTM/2013-48545-C2 Agència de Gestió d'Ajuts Universitaris i de Recerca 2017/SGR-14 Agència de Gestió d'Ajuts Universitaris i de Recerca 2017/SGR-1404 Agència de Gestió d'Ajuts Universitaris i de Recerca 2017/SGR-1124 Agència de Gestió d'Ajuts Universitaris i de Recerca 2017/SGR-1762 Ministerio de Ciencia e Innovación RYC-2014-16707 |
Drets: | Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. |
Llengua: | Anglès |
Document: | Article ; recerca ; Versió publicada |
Matèria: | Fungal bioreactor ; Pharmaceutical active compounds ; Microbial community ; Hospital wastewater ; Pretreatment |
Publicat a: | Journal of Biological Engineering, Vol. 13 (May 2019) , art. 47, ISSN 1754-1611 |
13 p, 1.3 MB |