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Microalgae production in wastewater treatment systems, anaerobic digestion and modelling using ADM1

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10.1016/j.algal.2015.04.008
 
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Passos, Fabiana Lopes del ReiMés informacióMés informació
Gutiérrez Martínez, Raquel
Brockmann, Doris
Steyer, Jean Phillipe
García Serrano, JoanMés informacióMés informacióMés informació
Ferrer Martí, IvetMés informacióMés informacióMés informació
Document typeArticle
Defense date2015-07-01
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
An integrated microalgae-based system for urban wastewater treatment, microalgae production and bioenergy generation through anaerobic digestion was evaluated over a period of one year. The pilot HRAP was effective at removing COD (similar to 80%) and ammonium(similar to 95%) and robust, despite common variations in wastewater composition and weather conditions in the Mediterranean region. Biomass production showed a strong seasonality, reaching an annual average of 10 g TSS/m(2).day and the highest values in spring (23 g TSS/m(2).day). Conversely, the macromolecular composition was fairly constant (58% proteins, 22% carbohydrates and 20% lipids). Predominant microalgae species varied throughout the year, influencing biogas production. Indeed, the anaerobic biodegradability of harvested biomass was 20-25% in July-October 2012 and May-July 2013 and 25-38% in November 2012-April 2013. Adapting the content of particulate inert COD in Anaerobic Digestion Model No. 1 (ADM1) was crucial for model calibration. After adjustment, ADM1 was able to predict microalgae anaerobic digestion performance, which showed an average methane yield of 0.09 L CH4/g COD at 15 days HRT and 0.16 L CH4/g COD at 20 days HRT. (C) 2015 Elsevier B.V. All rights reserved.
CitationPassos , F., Gutierrez, R., Brockmann, D., Steyer, J.P., Garcia, J., Ferrer, I. Microalgae production in wastewater treatment systems, anaerobic digestion and modelling using ADM1. "Algal Research-Biomass Biofuels and Bioproducts", 01 Juliol 2015, vol. 10, p. 55-63. 
URIhttp://hdl.handle.net/2117/84894
DOI10.1016/j.algal.2015.04.008
ISSN2211-9264
Publisher versionhttps://www.sciencedirect.com/science/article/pii/S2211926415000946
Other identifiershttps://www.researchgate.net/publication/275219435_Microalgae_production_in_wastewater_treatment_systems_anaerobic_digestion_and_modelling_using_ADM1
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  • Departament d'Enginyeria Civil i Ambiental - Articles de revista [2.746]
  • GEMMA - Grup d'Enginyeria i Microbiologia del Medi Ambient - Articles de revista [189]
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