Hydrolysis of Chlorella biomass for fermentable sugars in the presence of HCl and MgCl 2

  • Zhou N
  • Zhang Y
  • Wu X
 et al. 
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Abstract

When Chlorella biomass was hydrolyzed in the presence of 2% HCl and 2.5% MgCl2, a sugar concentration of nearly 12%, and a sugar recovery of about 83% was obtained. Fermentation experiments demonstrated that glucose in the Chlorella biomass hydrolysates was converted into ethanol by Saccharomyces cerevisiae with a yield of 0.47gg-1, which is 91% of the theoretical yield. This chemical hydrolysis approach is thus a novel route for the hydrolysis of biomass to generate fermentable sugars. © 2011 Elsevier Ltd.

Author-supplied keywords

  • Bioethanol
  • Chlorella biomass
  • Fermentable sugar
  • Hydrolysis
  • Synergic effect

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Authors

  • Na Zhou

  • Yimin Zhang

  • Xiaobin Wu

  • Xiaowu Gong

  • Qinhong Wang

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