Effect of pretreatment dilute acid -peroxide on napier grass (pennisetum purpureum schumach) to enhance reducing sugar yield by enzymatic hydrolysis

Detalles Bibliográficos
Autores Principales: Bohórquez, Cristian, Amado González, Eliseo, Martínez Reina, Marlon
Formato: Artículo (Article)
Lenguaje:Español (Spanish)
Publicado: Universidad Libre
Materias:
id ir-10901-15052
recordtype dspace
spelling Bohórquez, Cristian
Amado González, Eliseo
Martínez Reina, Marlon
2014-12-01
https://revistas.unilibre.edu.co/index.php/avances/article/view/226
10.18041/1794-4953/avances.2.226
The 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.
El 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 napier.
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https://revistas.unilibre.edu.co/index.php/avances/article/view/226/181
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Revistas – Ingenierías
http://creativecommons.org/licenses/by-nc-nd/2.5/co/
Atribución-NoComercial-SinDerivadas 2.5 Colombia
Avances: Investigación en Ingeniería; Vol 11 No 2 (2014): Avances Investigación en Ingeniería; 48-55
Avances: Investigación en Ingeniería; Vol. 11 Núm. 2 (2014): Avances Investigación en Ingeniería; 48-55
2619-6581
1794-4953
Hidrolisis
Peróxidos
Ácido diluido
Hidrólisis
azúcares reductores
napier Hierba
Pennisetum purpureum
Peróxido
Effect of pretreatment dilute acid -peroxide on napier grass (pennisetum purpureum schumach) to enhance reducing sugar yield by enzymatic hydrolysis
Efecto del tratamiento previo de ácido diluido - peróxido en la hierba napier (Pennisetum purpureum schumach) para mejorar la reducción Producción de azúcar por hidrólisis enzimática
Peer reviewed Article
http://purl.org/coar/resource_type/c_6501
http://purl.org/coar/version/c_970fb48d4fbd8a85
institution Universidad Libre de Colombia
collection DSpace
title Effect of pretreatment dilute acid -peroxide on napier grass (pennisetum purpureum schumach) to enhance reducing sugar yield by enzymatic hydrolysis
spellingShingle Effect of pretreatment dilute acid -peroxide on napier grass (pennisetum purpureum schumach) to enhance reducing sugar yield by enzymatic hydrolysis
Bohórquez, Cristian
Amado González, Eliseo
Martínez Reina, Marlon
Hidrolisis
Peróxidos
Ácido diluido
Hidrólisis
azúcares reductores
napier Hierba
Pennisetum purpureum
Peróxido
title_short Effect of pretreatment dilute acid -peroxide on napier grass (pennisetum purpureum schumach) to enhance reducing sugar yield by enzymatic hydrolysis
title_full Effect of pretreatment dilute acid -peroxide on napier grass (pennisetum purpureum schumach) to enhance reducing sugar yield by enzymatic hydrolysis
title_fullStr Effect of pretreatment dilute acid -peroxide on napier grass (pennisetum purpureum schumach) to enhance reducing sugar yield by enzymatic hydrolysis
title_full_unstemmed Effect of pretreatment dilute acid -peroxide on napier grass (pennisetum purpureum schumach) to enhance reducing sugar yield by enzymatic hydrolysis
title_sort effect of pretreatment dilute acid -peroxide on napier grass (pennisetum purpureum schumach) to enhance reducing sugar yield by enzymatic hydrolysis
author Bohórquez, Cristian
Amado González, Eliseo
Martínez Reina, Marlon
author_facet Bohórquez, Cristian
Amado González, Eliseo
Martínez Reina, Marlon
topic Hidrolisis
Peróxidos
Ácido diluido
Hidrólisis
azúcares reductores
napier Hierba
Pennisetum purpureum
Peróxido
topic_facet Hidrolisis
Peróxidos
Ácido diluido
Hidrólisis
azúcares reductores
napier Hierba
Pennisetum purpureum
Peróxido
language Español (Spanish)
publisher Universidad Libre
format Artículo (Article)
_version_ 1779705754915176448
score 12,131701