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Bioethanol production from hydrolyzed sugarcane bagasse supplemented with molasses “B” in a mixed yeast culture

Author

Listed:
  • Gutiérrez-Rivera, Beatriz
  • Ortiz-Muñiz, Beningo
  • Gómez-Rodríguez, Javier
  • Cárdenas-Cágal, Angel
  • Domínguez González, José Manuel
  • Aguilar-Uscanga, Maria Guadalupe

Abstract

Lignocellulosic biomass is an abundant renewable source of xylose and glucose, which can be converted into ethanol using microorganisms. The aim of this study was to use sugarcane bagasse hydrolyzate (HBC) supplemented with sugarcane molasses “B”, one of the liquors resulting from the crystallization step in cane sugar production process, in a mixed yeast culture (Saccharomyces cerevisiae ITV-01 and Scheffersomyces (formerly Pichia) stipitis NRRL Y-7124) in order to increase ethanol production and the complete utilization of hydrolyzate sugars. The culture of mixed yeast in a medium with 50% HBC supplemented with 8% v/v intermediate molasses “B” after 42 h fermentation exhibited a significant increase in ethanol production (53.80 gL−1), yield (0.45 gg−1) and productivity (1.07 gL−1 h−1). The novel strategy of using 8% v/v sugar cane molasses “B”, promotes complete sugar consumption and a 74% increase in ethanol fermentation by the mixed culture of S. cerevisiae ITV-01 and Scheffersomyces stipitis NRRL Y-7124.

Suggested Citation

  • Gutiérrez-Rivera, Beatriz & Ortiz-Muñiz, Beningo & Gómez-Rodríguez, Javier & Cárdenas-Cágal, Angel & Domínguez González, José Manuel & Aguilar-Uscanga, Maria Guadalupe, 2015. "Bioethanol production from hydrolyzed sugarcane bagasse supplemented with molasses “B” in a mixed yeast culture," Renewable Energy, Elsevier, vol. 74(C), pages 399-405.
    • Handle: RePEc:eee:renene:v:74:y:2015:i:c:p:399-405
    DOI: 10.1016/j.renene.2014.08.030
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    Cited by:

    1. Evcan, Ezgi & Tari, Canan, 2015. "Production of bioethanol from apple pomace by using cocultures: Conversion of agro-industrial waste to value added product," Energy, Elsevier, vol. 88(C), pages 775-782.
    2. Perez, Caroline L. & Pereira, Laís P.R. da C. & Milessi, Thais S. & Sandri, Juliana P. & Demeke, Mekonnen & Foulquié-Moreno, Maria R. & Thevelein, Johan M. & Zangirolami, Teresa C., 2022. "Towards a practical industrial 2G ethanol production process based on immobilized recombinant S. cerevisiae: Medium and strain selection for robust integrated fixed-bed reactor operation," Renewable Energy, Elsevier, vol. 185(C), pages 363-375.
    3. Pandey, Ajay Kumar & Kumar, Mohit & Kumari, Sonam & Gaur, Naseem A., 2022. "Integration of acid pre-treated paddy straw hydrolysate to molasses as a diluent enhances ethanol production using a robust Saccharomyces cerevisiae NGY10 strain," Renewable Energy, Elsevier, vol. 186(C), pages 790-801.

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