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Evaluation of enzymatic pretreatment strategies to enhance anaerobic digestion of tomato waste
Indexado
WoS WOS:001462590400001
Scopus SCOPUS_ID:105002219477
DOI 10.1002/BBB.2767
Año 2025
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Tomato residues are a form of solid waste that can be converted into methane through anaerobic digestion (AD). However, methane production is often limited due to incomplete hydrolysis caused by the high lignocellulosic content of tomato waste. Enzymatic pretreatments represent a promising approach to enhance methane yields by facilitating substrate hydrolysis. This study evaluated four commercial enzymatic blends - Celluclast 1.5 L, Maxoliva HC L, Viscozyme, and Novozym 435 - using biomethane potential (BMP) tests with two operational strategies: (i) preincubation of enzymes with tomato waste prior to AD, and (ii) direct addition of enzymes to the anaerobic digester. Maxoliva achieved the highest methane yield (348 +/- 20 mL CH4 g-1 volatile solids (VS)) under preincubation, representing 99.5% of the theoretical BMP and a 90% increase in comparison with the control. Kinetic analysis using the modified Gompertz equation revealed that Maxoliva also exhibited the highest maximum methane production rate (RMAX = 5.5 +/- 0.2 mL CH4 g-1 VS day-1) with direct addition. Conversely, Viscozyme showed limited effectiveness, reaching only 47% of the theoretical BMP value. The enhanced methane production observed with certain enzymatic blends is likely attributable to cellulase activity, which facilitates the breakdown of complex carbohydrates into easily biodegradable polysaccharides.

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Disciplinas de Investigación



WOS
Biotechnology & Applied Microbiology
Energy & Fuels
Scopus
Renewable Energy, Sustainability And The Environment
Bioengineering
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Martinez, Maria Eugenia - Consultora Negocios Sustentables Lazo SpA - Chile
2 Restovic, Franko - Universidad Nacional Andrés Bello - Chile
3 Urrego, Freddy - Universidad Nacional Andrés Bello - Chile
4 Fuentes, Derie - Universidad Nacional Andrés Bello - Chile
5 Ramos, Carlos - Univ Politecn Catalunya BarcelonaTech UPC - España
Universitat Politècnica de Catalunya - España

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Financiamiento



Fuente
Seventh Framework Programme
Fraunhofer Chile Research Foundation
FP7 Cooperation

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Agradecimientos



Agradecimiento
This work was supported by FP7 project grant agreement ID 613513 'DISCO: From DISCOvery to Products: A Next Generation Pipeline for the Sustainable Generation of High-Value Plant Products' (2013-2015), funded under the Specific Program 'Cooperation: Food, Agriculture, and Biotechnology.' Author MM, FR, FU and DF have received research support from the Fraunhofer Chile Research Foundation.
This work was supported by FP7 project grant agreement ID 613513 \u2018DISCO: From DISCOvery to Products: A Next Generation Pipeline for the Sustainable Generation of High\u2010Value Plant Products\u2019 (2013\u20132015), funded under the Specific Program \u2018Cooperation: Food, Agriculture, and Biotechnology.\u2019 Author MM, FR, FU and DF have received research support from the Fraunhofer Chile Research Foundation.

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