Artículos de revistas
Simulation Of Integrated First And Second Generation Bioethanol Production From Sugarcane: Comparison Between Different Biomass Pretreatment Methods
Registro en:
Journal Of Industrial Microbiology And Biotechnology. , v. 38, n. 8, p. 955 - 966, 2011.
13675435
10.1007/s10295-010-0867-6
2-s2.0-80051700592
Autor
Dias M.O.S.
Da Cunha M.P.
MacIel Filho R.
Bonomi A.
Jesus C.D.F.
Rossell C.E.V.
Institución
Resumen
Sugarcane bagasse is used as a fuel in conventional bioethanol production, providing heat and power for the plant; therefore, the amount of surplus bagasse available for use as raw material for second generation bioethanol production is related to the energy consumption of the bioethanol production process. Pentoses and lignin, byproducts of the second generation bioethanol production process, may be used as fuels, increasing the amount of surplus bagasse. In this work, simulations of the integrated bioethanol production process from sugarcane, surplus bagasse and trash were carried out. Selected pre-treatment methods followed, or not, by a delignification step were evaluated. The amount of lignocellulosic materials available for hydrolysis in each configuration was calculated assuming that 50% of sugarcane trash is recovered from the field. An economic risk analysis was carried out; the best results for the integrated first and second generation ethanol production process were obtained for steam explosion pretreatment, high solids loading for hydrolysis and 24-48 h hydrolysis. The second generation ethanol production process must be improved (e.g., decreasing required investment, improving yields and developing pentose fermentation to ethanol) in order for the integrated process to be more economically competitive. © 2010 Society for Industrial Microbiology. 38 8 955 966 Balat, M., Balat, H., Öz, C., Progress in bioethanol processing (2008) Prog Energy Combust Sci, 34, pp. 551-573. , 10.1016/j.pecs.2007.11.001 1:CAS:528:DC%2BD1cXovVKktL4%3D (2010), http://www.mdic.gov.br.AccessedonMarch20,2010, Brasil Ministry of Development, Industry and Foreign Trade. 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