RECyT 2019
DOI: 10.36995/j.recyt.2019.32.010
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Optimización de la hidrólisis enzimática de la cascarilla de arroz

Abstract: El objetivo de este trabajo fue encontrar las condiciones óptimas de hidrólisis enzimática de la cascarilla de arroz pretratada con hidróxido de sodio en autoclave a 121° C. Se evaluaron las variables: FPU/ g sustrato, pH, agitación, tiempo, temperatura y concentración de surfactante mediante un diseño de cribado, resultando estadísticamente significativas todas las variables. Seguidamente se aplicó un diseño de optimización para las variables: pH, FPU y tiempo, descartando las de menor nivel de significación.… Show more

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Cited by 2 publications
(2 citation statements)
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“…The mechanism to obtain 2G bioethanol includes a pretreatment, enzymatic saccharification, and fermentation [20]. On the one hand, pretreatment facilitates the fractionation of the biomass and improves the subsequent enzymatic hydrolysis yield [24], in which different enzymes act to cause the breakdown of cellulose polymers to glucose monomers [25]. Subsequently, fermentation is carried out using a yeast (generally Saccharomyces cerevisiae) to produce bioethanol [26].…”
Section: Processes For 1g and 2g Bio-ethanol Productionmentioning
confidence: 99%
“…The mechanism to obtain 2G bioethanol includes a pretreatment, enzymatic saccharification, and fermentation [20]. On the one hand, pretreatment facilitates the fractionation of the biomass and improves the subsequent enzymatic hydrolysis yield [24], in which different enzymes act to cause the breakdown of cellulose polymers to glucose monomers [25]. Subsequently, fermentation is carried out using a yeast (generally Saccharomyces cerevisiae) to produce bioethanol [26].…”
Section: Processes For 1g and 2g Bio-ethanol Productionmentioning
confidence: 99%
“…Among the parameters requiring optimization to increase yields, the time of the fermentation stage is a key factor for the subsequent processing steps. For example, (Arismendy et al 2019) obtained the highest production of hydrolyzed sugars at 13 h in the enzymatic hydrolysis stage, (Díaz 2018) at 20 h, and (Montoro et al 2020) at 24 h. The chosen pretreatment is another key factor. For example, the alkaline pretreatments are the most used because they favor the subsequent saccharification of cellulose.…”
Section: Availability Of Raw Materialsmentioning
confidence: 99%