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Título: | Integral Valorization of Two-Phase Olive Mill Solid Waste (OMSW) and Related Washing Waters by Anaerobic Co-digestion of OMSW and the Microalga Raphidocelis subcapitata Cultivated in These Effluents |
Autor: | Fernández-Rodríguez, M. J. CSIC ORCID ; De la Lama-Calvente, David CSIC ORCID; García-González, Mercedes CSIC ORCID CVN; Moreno-Fernández, José; Jiménez-Rodríguez, Antonia; Borja Padilla, Rafael CSIC ORCID ; Rincón, Bárbara CSIC ORCID | Palabras clave: | anaerobic co-digestion olive washing water olive mill solid waste Raphidocelis subcapitata Nutrient removal wastewater treatment circular economy |
Fecha de publicación: | 7-mar-2022 | Editor: | American Chemical Society | Citación: | Journal of Agricultural and Food Chemistry 70 (10): 3219-3227 (2022) | Resumen: | This study evaluates the comprehensive valorization of the byproducts derived from the two-phase olive oil elaboration process [i.e., olive washing water (OWW), olive oil washing water (OOWW), and olive mill solid waste (OMSW)] in a closed-loop process. Initially, the microalga Raphidocelis subcapitata was grown using a mixture of OWW and OOWW as the culture medium, allowing phosphate, nitrate, sugars, and soluble chemical oxygen demand removal. In a second step, the microalgal biomass grown in the mixture of washing waters was used as a co-substrate together with OMSW for an anaerobic co-digestion process. The anaerobic co-digestion of the combination of 75% OMSW-25% R. subcapitata enhanced the methane yield by 7.0 and 64.5% compared to the anaerobic digestion of the OMSW and R. subcapitata individually. This schedule of operation allowed for integration of all of the byproducts generated from the two-phase olive oil elaboration process in a full valorization system and the establishment of a circular economy concept for the olive oil industry. | Versión del editor: | https://doi.org/10.1021/acs.jafc.1c08100 | URI: | http://hdl.handle.net/10261/265410 | DOI: | 10.1021/acs.jafc.1c08100 | ISSN: | 0021-8561 | E-ISSN: | 1520-5118 |
Aparece en las colecciones: | (IG) Artículos (IBVF) Artículos |
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olive_oil_washing_water.pdf | Articulo principal | 1,43 MB | Adobe PDF | Visualizar/Abrir |
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