Pretratamiento alcalino e hidrólisis enzimática de rastrojo de maíz para la producción de bioetanol

Autores/as

DOI:

https://doi.org/10.33448/rsd-v10i11.18914

Palabras clave:

Residuo lignocelulósico; Rastrojo de maíz

Resumen

La demanda de etanol en Brasil está creciendo. Sin embargo, si bien el país es uno de los mayores productores de este combustible, aún es necesario diversificar la matriz productiva. En este sentido, se requieren estudios con diferentes materias primas, principalmente el uso de residuos de bajo costo y alta disponibilidad, como los residuos lignocelulósicos de la agricultura. Por tanto, este estudio tuvo como objetivo analizar la producción de bioetanol a partir del rastrojo de maíz. Se realizó un pretratamiento alcalino (CaO), seguido de hidrólisis enzimática (Cellic Ctec2 y Cellic Htec2) para obtener azúcares fermentables. La mejor condición experimental para los pasos de pretratamiento e hidrólisis resultó en una solución con 0,31 gazúcar∙gbiomasa-1. Luego, la fermentación fue realizada por la cepa industrial de Saccharomyces cerevisiae (PE-2) y por la cepa de levadura salvaje Wickerhamomyces sp. (UFFS-CE-3.1.2). El rendimiento obtenido fue de 0,38 gettanol∙gbiomasa seca-1, lo que demuestra el potencial de este proceso para la producción de bioetanol.

Citas

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Publicado

25/08/2021

Cómo citar

BOHN, L. R.; DRESCH, A. P.; CAVALI, M.; VARGAS, A. C. G.; FÜHR, J. F.; TIRONI, S. P.; FOGOLARI, O. .; MIBIELLI, G. M.; ALVES JR., S. L.; BENDER, J. P. Pretratamiento alcalino e hidrólisis enzimática de rastrojo de maíz para la producción de bioetanol. Research, Society and Development, [S. l.], v. 10, n. 11, p. e149101118914, 2021. DOI: 10.33448/rsd-v10i11.18914. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/18914. Acesso em: 30 jun. 2024.

Número

Sección

Ingenierías