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Alkaline delignification of lignocellulosic biomass for the production of fermentable sugar syrups ; Deslignificación alcalina de la biomasa lignocelulósica para la producción de jarabes de azúcar fermentables

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العنوان: Alkaline delignification of lignocellulosic biomass for the production of fermentable sugar syrups ; Deslignificación alcalina de la biomasa lignocelulósica para la producción de jarabes de azúcar fermentables
المؤلفون: Fuertez Córdoba, John Marcelo, Acosta Pavas, Juan Camilo, Ruiz Colorado, Ángela Adriana
المصدر: DYNA; Vol. 88 No. 218 (2021): July - September; 168-177 ; DYNA; Vol. 88 Núm. 218 (2021): Julio - Septiembre; 168-177 ; 2346-2183 ; 0012-7353
بيانات النشر: Universidad Nacional de Colombia - Sede Medellín - Facultad de Minas
سنة النشر: 2021
المجموعة: Universidad Nacional de Colombia: Portal de Revistas UN
مصطلحات موضوعية: Alkaline pretreatment, hydrolysis, Sugarcane bagasse, Fiber of african oil palm, Coffee pulp waste, Kikuyo grass, pretratamiento alcalino, hidrólisis, bagazo de caña de azúcar, fibra de palma aceitera Africana, residuos de pulpa de café, hierba Kikuyo
الوصف: The objective of this study to analyze the effect of alkaline pretreatment on the structure, composition, and subsequent hydrolysis of agricultural wastes. An increase in the content of reducing sugars after the pretreatment is achieved. Its effectiveness is confirmed, offering a practical procedure to produce alternative energy. Factors such as the calcium hydroxide concentration (0.1 and 0.5g Ca(OH)2/g-dry matter), liquid to solid ratio (12 and 28ml/g-dry matter), temperature (40 and 70°C), stirring rate (0 and 200rpm), an average particle size (0.45 and 1.015mm) were assessed using an experimental design. On average, kikuyo grass had the highest lignin removal (28.31%) while the African oil palm fiber had the lowest value (14.10%). The average particle size was a statistically significant factor for the pretreatment of African oil palm fiber, the stirring rate was an important factor during the pretreatment of kikuyo grass. The Ca(OH)2 concentration had a major effect on the pretreatment of sugarcane bagasse and coffee pulp waste. ; El objetivo de este trabajo fue analizar el efecto del pretratamiento alcalino sobre sobre la estructura, composición y subsecuente hidrólisis de residuos agrícolas. Se logró observar un incremento en el contenido de azucares reductores después del pretratamiento. Se confirmó su efectividad, ofreciendo un procedimiento practico para producir energía alternativa. Se evaluó la concentración de hidróxido de calcio (0.1 y 0.5g Ca(OH)2/g-materia seca), relación líquida/sólido (12 y 28ml/g-materia seca), temperatura (40 y 70°C), velocidad de agitación (0 y 200rpm) y tamaño medio de las partículas (0.45 y 1.015mm) mediante un diseño experimental. La hierba kikuyo tuvo mayor remoción de lignina, 28.31%, la fibra de palma Africana tuvo la menor remoción, 14.10%. El tamaño medio de las partículas fue significativo en el pretratamiento sobre fibra de palma Africana, la velocidad de agitación fue significativo para el pretratamiento de hierba kikuyo. La concentración de Ca(OH)2 tuvo un efecto ...
نوع الوثيقة: article in journal/newspaper
وصف الملف: application/pdf; text/xml
اللغة: English
Relation: https://revistas.unal.edu.co/index.php/dyna/article/view/92055/81057; https://revistas.unal.edu.co/index.php/dyna/article/view/92055/88095; https://revistas.unal.edu.co/index.php/dyna/article/view/92055
الاتاحة: https://revistas.unal.edu.co/index.php/dyna/article/view/92055
Rights: https://creativecommons.org/licenses/by-nc-nd/4.0
رقم الانضمام: edsbas.E94860F5
قاعدة البيانات: BASE
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