Gonzalez-Camejo, J.; Aparicio Antón, SE.; Ruano, M.; Borrás, L.; Barat, R.; Ferrer, J. (2019). Effect of ambient temperature variations on an indigenous microalgae-nitrifying bacteria culture dominated by Chlorella. Bioresource Technology. 290:1-10. https://doi.org/10.1016/j.biortech.2019.121788
Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10251/141637
Title:
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Effect of ambient temperature variations on an indigenous microalgae-nitrifying bacteria culture dominated by Chlorella
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Author:
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Gonzalez-Camejo, Josue
Aparicio Antón, Stephanie Elena
Ruano, M.V.
Borrás, L.
Barat, Ramón
FERRER, J.
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UPV Unit:
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Universitat Politècnica de València. Departamento de Ingeniería Hidráulica y Medio Ambiente - Departament d'Enginyeria Hidràulica i Medi Ambient
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Issued date:
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Abstract:
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[EN] Two outdoor photobioreactors were operated to evaluate the effect of variable ambient temperature on an indigenous microalgae-nitrifying bacteria culture dominated by Chlorella. Four experiments were carried out in ...[+]
[EN] Two outdoor photobioreactors were operated to evaluate the effect of variable ambient temperature on an indigenous microalgae-nitrifying bacteria culture dominated by Chlorella. Four experiments were carried out in different seasons, maintaining the temperature-controlled PBR at around 25¿°C (by either heating or cooling), while the temperature in the non-temperature-controlled PBR was allowed to vary with the ambient conditions. Temperatures in the range of 15¿30¿°C had no significant effect on the microalgae cultivation performance. However, when the temperature rose to 30¿35¿°C microalgae viability was significantly reduced. Sudden temperature rises triggered AOB growth in the indigenous microalgae culture, which worsened microalgae performance, especially when AOB activity made the system ammonium-limited. Microalgae activity could be recovered after a short temperature peak over 30¿°C once the temperature dropped, but stopped when the temperature was maintained around 28¿30¿°C for several days.
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Subjects:
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Chlorella
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Ammonium competition
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Microalgae
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Nitrifying bacteria
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Outdoor Temperature
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Copyrigths:
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Reserva de todos los derechos
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Source:
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Bioresource Technology. (issn:
0960-8524
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DOI:
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10.1016/j.biortech.2019.121788
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Publisher:
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Elsevier
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Publisher version:
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https://doi.org/10.1016/j.biortech.2019.121788
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Project ID:
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MECD/FPU/15/02595
MINECO/CTM2014-54980-C2-2-R-AR
MECYD/AP2014/05082
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Thanks:
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This research work was supported by the Spanish Ministry of
Economy and Competitiveness (MINECO, Projects CTM2014-54980-C2-1-R and CTM2014-54980-C2-2-R) jointly with the European Regional Development Fund (ERDF), both of ...[+]
This research work was supported by the Spanish Ministry of
Economy and Competitiveness (MINECO, Projects CTM2014-54980-C2-1-R and CTM2014-54980-C2-2-R) jointly with the European Regional Development Fund (ERDF), both of which are gratefully acknowledged. It also received support from the Spanish Ministry of Education, Culture and Sport via a pre-doctoral FPU fellowship to authors J. González-Camejo (FPU14/05082) and S. Aparicio (FPU/15/02595).
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Type:
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Artículo
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