Carob pod as a feedstock for the production of bioethanol in Mediterranean areas
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Sánchez Segado, Sergio; Lozano Blanco, Luis Javier; Godínez Seoane, Carlos; Juan García, Diego; Pérez de los Ríos, Antonia; [et al.]Área de conocimiento
Ingeniería QuímicaPatrocinadores
The authors wish to thank the Young Researchers Training Programme sponsored by Caja de Ahorros del Mediterráneo (CAM) and Mondial Carob Group for their economic support.Fecha de publicación
2010-11Editorial
ElsevierCita bibliográfica
S. Sánchez, L.J. Lozano, C. Godínez, D. Juan, A. Pérez, F.J. Hernández, Carob pod as a feedstock for the production of bioethanol in Mediterranean areas, Applied Energy, Volume 87, Issue 11, 2010, Pages 3417-3424, ISSN 0306-2619, https://doi.org/10.1016/j.apenergy.2010.06.004.Revisión por pares
siPalabras clave
bioethanolagricultural crops
carob pod
acid hydrolysis
Resumen
There is a growing interest worldwide to find out new and cheap carbohydrate sources for production of bioethanol. In this context, carob pod (Ceratonia siliqua) is proposed as an economical source for bioethanol production, especially, in arid regions. The carob tree is an evergreen shrub native to the Mediterranean region, cultivated for its edible seed pods and it is currently being reemphasised as an alternative in dryland areas, because no carbon-enriched lands are necessary. In this work, the global process of ethanol production from carob pod was studied. In a first stage, aqueous extraction of sugars from the pod was conducted, achieving very high yields (>99%) in a short period of time. The process was followed by acid or alkaline hydrolysis of washed pod at different operating conditions, the best results (R = 38.20%) being reached with sulphuric acid (2% v/v) at 90 °C, using a L/S (liquid/solid) ratio of 7.5 and shaking at 700 rpm for 420 min. After that, fermentation of ...
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