Process design and economic analysis of a hypothetical bioethanol production plant using carob pod as feedstock
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Sánchez Segado, Sergio; Lozano Blanco, Luis Javier; Pérez de los Ríos, Antonia; Hernández Fernández, Francisco José; Godínez Seoane, Carlos; [et al.]Área de conocimiento
Ingeniería QuímicaPatrocinadores
This work was partially supported by Mondial Group, CICYT ENE2010-18687 and SENECA Foundation 15260/PI/10 grants. The authors wish to thank the Young Researchers Training Program sponsored by “Caja de Ahorros del Mediterráneo” (CAM) for their economic support.Fecha de publicación
2012-01Editorial
ElsevierCita bibliográfica
S. Sánchez-Segado, L.J. Lozano, A.P. de los Ríos, F.J. Hernández-Fernández, C. Godínez, D. Juan, Process design and economic analysis of a hypothetical bioethanol production plant using carob pod as feedstock, Bioresource Technology, Volume 104, 2012, Pages 324-328, ISSN 0960-8524, https://doi.org/10.1016/j.biortech.2011.10.046Revisión por pares
siPalabras clave
bioethanolcarob pod
economic analysis
process design
Resumen
A process for the production of ethanol from carob (Ceratonia siliqua) pods was designed and an economic analysis was carried out for a hypothetical plant. The plant was assumed to perform an aqueous extraction of sugars from the pods followed by fermentation and distillation to produce ethanol. The total fixed capital investment for a base case process with a capacity to transform 68,000 t/year carob pod was calculated as 39.61 millon euros (€) with a minimum bioethanol production cost of 0.51€/L and an internal rate of return of 7%. The plant was found to be profitable at carob pod prices lower than 0.188€/kg. An increase in the transformation capacity of the plant from 33,880 to 135,450 t/year was calculated to result in an increase in the internal rate of return from 5.50% to 13.61%. The obtained results show that carob pod is a promising alternative source for bioethanol production.
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