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Scopus: 5 cites, Web of Science: 4 cites,
Continuous treatment of non-sterile hospital wastewater by Trametes versicolor : how to increase fungal viability by means of operational strategies and pretreatments
Mir Tutusaus, Josep Anton (Universitat Autònoma de Barcelona. Departament d'Enginyeria Química, Biològica i Ambiental)
Caminal i Saperas, Glòria (Institut de Química Avançada de Catalunya)
Sarrà i Adroguer, Montserrat (Universitat Autònoma de Barcelona. Departament d'Enginyeria Química, Biològica i Ambiental)

Data: 2016
Resum: Hospital wastewaters have a high load of pharmaceutical active compounds (PhACs). Fungal treatments could be appropriate for source treatment of such effluents but the transition to non-sterile conditions proved to be difficult due to competition with indigenous microorganisms, resulting in very short-duration operations. In this article, coagulation-flocculation and UV-radiation processes were studied as pretreatments to a fungal reactor treating non-sterile hospital wastewater in sequential batch operation and continuous operation modes. The influent was spiked with ibuprofen and ketoprofen, and both compounds were successfully degraded by over 80%. UV pretreatment did not extent the fungal activity after coagulation-flocculation measured as laccase production and pellet integrity. Sequential batch operation did not reduce bacteria competition during fungal treatment. The best strategy was the addition of a coagulation-flocculation pretreatment to a continuous reactor, which led to an operation of 28days without biomass renovation.
Nota: Número d'acord de subvenció MINECO/CTM 2013-48545-C2-1-R
Nota: Número d'acord de subvenció AGAUR/2014/SGR-0476
Drets: Tots els drets reservats.
Llengua: Anglès
Document: article ; recerca ; acceptedVersion
Matèria: Fungal bioreactor ; Hospital wastewater ; Non-sterile ; Pharmaceutical active compounds ; Pretreatment
Publicat a: Journal of hazardous materials, Vol. 318 (Nov. 2016) , p. 561–570, ISSN 0304-3894

DOI: 10.1016/j.jhazmat.2016.07.036

Disponible a partir de: 2018-11-30

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