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Título: | Aquaculture Sludge as Co-Substrate for Sustainable Olive Mill Solid Waste Pre-Treatment by Anthracophyllum discolor |
Autor: | Araneda, Michael; Pinto-Ibieta, F.; Xu, Xiaofan; Rubilar, Olga; Fermoso, Fernando G. CSIC ORCID ; Ciudad, Gustavo | Palabras clave: | Olive mill solid waste White-rot fungi Aquaculture sludge Extract enzymatic Biorefinery |
Fecha de publicación: | 28-feb-2023 | Editor: | Multidisciplinary Digital Publishing Institute | Citación: | Agronomy 13 (3): 724 (2023) | Resumen: | Olive mill solid waste (OMSW) is an agro-industrial waste that has a high content of recalcitrant lignocellulose, which can adversely affect the environment. This study aimed to evaluate the phenol and lignin removal and the enzyme activity involved in the biological pre-treatment of OMSW supplemented with aquaculture sludge (AS) as an external nitrogen source by Anthracophyllum discolor. The highest lignin removal and enzymatic activity performance was obtained in the mixture of OMSW and AS prepared at a C/N ratio 45. In these conditions, the pre-treatment could remove 66% of lignin and 68% of phenols in the solid phase and 56% of phenols in the liquid phase and the maximum activity of laccase, manganese peroxidase and manganese independent peroxidase were of 10, 289 and 75 U L−1 in 25, 30, and 15 days of pre-treatment, respectively. These results propose that the addition of AS as a co-substrate for adjusting the C/N ratio allows a 41 and 141% increase in lignin removal and manganese peroxidase activity respectively, enabling the treatment of both OMSW and AS wastes and the possible recovery of an enzymatic extract of biotechnological interest. | Descripción: | 12 Páginas.-- 3 Figuras.-- 3 Tablas | Versión del editor: | https://doi.org/10.3390/agronomy13030724 | URI: | http://hdl.handle.net/10261/306244 | E-ISSN: | 2073-4395 |
Aparece en las colecciones: | (IG) Artículos |
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agronomy_2023_V13_724.pdf | Artículo principal | 688,65 kB | Adobe PDF | Visualizar/Abrir |
agronomy_2023_V13_724_supplementary.pdf | Material suplementario | 96,1 kB | Adobe PDF | Visualizar/Abrir |
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