comparação entre processos em SHF e em SSF de bagaço de cana-de-açúcar para a produção de etanol por Saccharomyces cerevisiae

  • Santos J
  • Souto-Maior A
  • Gouveia E
  • et al.
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Abstract

Recebido em 12/8/09; aceito em 24/11/09; publicado na web em 10/3/10 COMPARISON OF SHF AND SSF PROCESSES FROM SUGAR CANE BAGASSE FOR ETHANOL PRODUCTION BY Saccharomyces cerevisiae. In this work, four different process configurations, including three simultaneous saccharification and fermentation (SSF) schemes and one separate hydrolysis and fermentation (SHF) scheme, were compared, at 8% water-insoluble solids, regarding ethanol production from steam-pretreated and alkali-delignified sugar cane bagasse. Two configurations included a 16 h lasting enzymatic presaccharification prior to SSF, and the third one was a classical SSF without presaccharification. Cellulose conversion was higher for the delignified bagasse, and higher in SSF experiments than in SHF. The highest cellulose-to-ethanol conversion (around 60% in 24 h) and maximum ethanol volumetric productivities (0.29-0.30 g/L.h) were achieved in the presaccharification-assisted SSF.

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APA

Santos, J. R. A. dos, Souto-Maior, A. M., Gouveia, E. R., & Martín, C. (2010). comparação entre processos em SHF e em SSF de bagaço de cana-de-açúcar para a produção de etanol por Saccharomyces cerevisiae. Química Nova, 33(4), 904–908. https://doi.org/10.1590/s0100-40422010000400027

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