Estudio del proceso de separación del licor de hemicelulosas en la biorrefinería de aserrín de algarrobo negro
DOI:
https://doi.org/10.33414/rtyc.44.26-41.2022Palabras clave:
optimización, hemicelulosas, hidrólisis, aserrín algarrobo negro, biorrefineríaResumen
Este trabajo de investigación utilizó como materia prima aserrín de algarrobo negro pretratado, residuo abundante en la región del Nordeste Argentino y su objetivo fue optimizar la tercera etapa de un proceso de biorrefinería. El pretratamiento ácido en los procesos de biorrefinería se utilizó para extraer la máxima cantidad de hemicelulosas, retener la mayor concentración de celulosa en el sólido pretratado y evitar la degradación de los azúcares contenidos en el licor de proceso. Usando un diseño de experimentos central compuesto, se logró la optimización de la extracción de hemicelulosa de aserrín de algarrobo negro lavado parcialmente deslignificado. Los resultados del diseño central compuesto, con dos repeticiones del punto central, han demostrado que es posible obtener licor con un rendimiento de 2,9 % de glucosa solubilizada, 54,5 % de xilosa solubilizada y 0,3 % de xilosa degradada, mediante un proceso óptimo utilizando 1,5 % de H2SO4, 7,7 % de sólidos durante 15,0 min
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Derechos de autor 2022 Eliana Paola Dagnino, Carlos Raúl Ruíz, Ester Ramona Chamorro, Alfredo Fabián Sequeira
Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial 4.0.
