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Biochemical processing of reed canarygrass into fuel ethanol

Author

Listed:
  • Bruce S. Dien
  • Michael D. Casler
  • Ronald E. Hector
  • Loren B. Iten
  • Nancy N. Nichols
  • Jeffrey A. Mertens
  • Michael A. Cotta

Abstract

Reed canarygrass is a temperate perennial grass of interest as a bioenergy crop. The canarygrass was evaluated for conversion to bioethanol using liquid hot water and dilute ammonia pretreatments prior to fermentation. The resulting hydrolysates were evaluated for production of ethanol, xylose and soluble xylans. Dilute ammonia gave higher yield efficiencies than liquid hot water. The optimal condition for dilute ammonia (4% w/v) pretreatment was 170°C for 20 min. Hydrolysates were converted to ethanol using Saccharomyces in the presence of a blend of commercial cellulases and additional carbohydrases. The final ethanol conversion efficiency was 84% based upon total hexosans, with 72% of the xylan converted to soluble xylan oligomers. Copyright , Oxford University Press.

Suggested Citation

  • Bruce S. Dien & Michael D. Casler & Ronald E. Hector & Loren B. Iten & Nancy N. Nichols & Jeffrey A. Mertens & Michael A. Cotta, 2011. "Biochemical processing of reed canarygrass into fuel ethanol," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 7(4), pages 338-347, October.
    • Handle: RePEc:oup:ijlctc:v:7:y:2011:i:4:p:338-347
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    File URL: http://hdl.handle.net/10.1093/ijlct/ctr041
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    Cited by:

    1. Mohapatra, Sonali & Mishra, Chinmaya & Behera, Sudhansu S. & Thatoi, Hrudayanath, 2017. "Application of pretreatment, fermentation and molecular techniques for enhancing bioethanol production from grass biomass – A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 78(C), pages 1007-1032.

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