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  • Title: Integrated versus stand-alone second generation ethanol production from sugarcane bagasse and trash.
    Author: Dias MO, Junqueira TL, Cavalett O, Cunha MP, Jesus CD, Rossell CE, Maciel Filho R, Bonomi A.
    Journal: Bioresour Technol; 2012 Jan; 103(1):152-61. PubMed ID: 22019267.
    Abstract:
    Ethanol production from lignocellulosic materials is often conceived considering independent, stand-alone production plants; in the Brazilian scenario, where part of the potential feedstock (sugarcane bagasse) for second generation ethanol production is already available at conventional first generation production plants, an integrated first and second generation production process seems to be the most obvious option. In this study stand-alone second generation ethanol production from surplus sugarcane bagasse and trash is compared with conventional first generation ethanol production from sugarcane and with integrated first and second generation; simulations were developed to represent the different technological scenarios, which provided data for economic and environmental analysis. Results show that the integrated first and second generation ethanol production process from sugarcane leads to better economic results when compared with the stand-alone plant, especially when advanced hydrolysis technologies and pentoses fermentation are included.
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