Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Enhancing Enzymatic Digestibility of Miscanthus sinensis using Steam Explosion Coupled with Chemicals

  • Jung, Ji Young (Division of Environmental Forest Science and Institute of Agriculture & Life Science, Gyeongsang National University) ;
  • Yang, Jae-Kyung (Division of Environmental Forest Science and Institute of Agriculture & Life Science, Gyeongsang National University)
  • Received : 2015.10.14
  • Accepted : 2015.12.25
  • Published : 2016.03.25
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Abstract

The effect of steam explosion coupled with alkali (1% sodium hydroxide, 1% potassium hydroxide and 15% sodium carbonate) or organosolv solvent (85% methanol, 70% ethanol and dioxane) on the production of sugar, changes in the chemical composition of M. sinensis were evaluated. The steam explosion coupled with 1% potassium hydroxide and dioxane were better as compared with other treatments based on the removals of acid insoluble lignin, and about 89.0% and 85.4%. Enzymatic hydrolysis of steam explosion with 1% potassium hydroxide and dioxane treated M. sinensis, gave a 98.0% and 96.5% of glucose conversion, respectively. These results suggested that pretreatment of M. sinensis with either potassium hydroxide or dioxane could be a promising pretreatment method for glucose production.

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References

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