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dc.contributor.authorBohórquez, Cristian
dc.contributor.authorAmado González, Eliseo
dc.contributor.authorMartínez Reina, Marlon
dc.descriptionThe napier grass (Pennisetum purpureum Schumach.) is a potential feedstock biomass for conversion to ethanol, bio-energy or high added value products. Variation in prehydrolysis parameters (time, acid strength, biomass %, particle size) and enzymatic saccharification conditions were examined for conversion of napier grass into fermentable sugars. A pretreatment of the water insoluble substrate (WISH2 SO4 ) at 15.1 % of reducing sugar yield (RSY) was done with peroxide (H2 02 ) at 122 °C. The relationship between RSY and the acid process parameters are described by a mathematical model derived from the experimental data.The peroxide pretreatment at 0.7 % (w/w), 4.75 mm particle size, 8% (w/v) biomass concentration, improved the RSY production from enzymatic hydrolysis in 97.6 % after 75 min. The enzymatic hydrolysis produced 287.81 mg/(g initial dry sample) of glucose and 245.81 mg/(g initial dry sample) of Xylose. Therefore, it was concluded that combination peroxide - acid pretreatment is an effective and environmentally friendly method for the enzyme hydrolysis of napier grass.en-US
dc.descriptionEl pasto napier (Pennisetum purpureum Schumach.)Es una biomasa potencial para la conversión aEtanol, bioenergía o productos de alto valor añadido.Variación en los parámetros de prehidrólisis (tiempo, ácidoFuerza,% de la biomasa, tamaño de partícula) y enzimáticosLas condiciones de sacarificación fueron examinadas para su conversiónDe hierba napier en azúcares fermentables.Un pretratamiento del sustrato insoluble en agua(WISH2SO _ {4}) En 15,1% de la producción de azúcar reductor(RSY) se realizó con peróxido (H202) A 122 ° C.La relación entre RSY y el proceso ácidoLos parámetros se describen mediante un modelo matemáticoDerivados de los datos experimentales. El peróxidoPretratamiento a 0,7% (p / p), partícula de 4,75 mmConcentración de biomasa del 8% (p / v),La producción RSY de la hidrólisis enzimáticaEn 97,6% después de 75 min. La hidrólisis enzimáticaProdujo 287,81 mg / (g de muestra seca inicial) deGlucosa y 245,81 mg / (g de muestra seca inicial) deXilosa. Por lo tanto, se concluyó que la combinaciónEl pretratamiento con ácido peróxido es unMétodo ecológico para la enzimaHidrólisis de la hierba
dc.publisherUniversidad Librees-ES
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dc.sourceAvances: Investigación en Ingeniería; Vol 11 No 2 (2014): Avances Investigación en Ingeniería; 48-55en-US
dc.sourceAvances: Investigación en Ingeniería; Vol. 11 Núm. 2 (2014): Avances Investigación en Ingeniería; 48-55es-ES
dc.subjectÁcido diluidoes-ES
dc.subjectazúcares reductoreses-ES
dc.subjectnapier Hierbaes-ES
dc.subjectPennisetum purpureumes-ES
dc.titleEffect of pretreatment dilute acid -peroxide on napier grass (pennisetum purpureum schumach) to enhance reducing sugar yield by enzymatic hydrolysisen-US
dc.titleEfecto del tratamiento previo de ácido diluido - peróxido en la hierba napier (Pennisetum purpureum schumach) para mejorar la reducción Producción de azúcar por hidrólisis enzimáticaes-ES
dc.typePeer reviewed Articleen-US
dc.rights.licenseAtribución-NoComercial-SinDerivadas 2.5 Colombia*
dc.relation.ispartofjournalRevistas – Ingenieríasspa

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