NC State
Tian, S. Q., Wang, Z. L., Wang, Z. Y., Wang, X. W., and Zhao, R. Y. (2015). "Effect of adding corn stalk residue pretreated by laser on immobilized yeast," BioRes. 10(4), 8498-8504.


The effect of immobilized yeast on bioethanol production before and after adding laser-pretreated corn stalk residue were investigated. Response surface methodology was used to optimize the conditions of adding residue. An optimum experimental condition was obtained at pH 4.5, 2.08% yeast concentration, and 0.20% corn stalk residue. Under these conditions, adding residue increased the yield of bioethanol from 53.2% to 86.5%, which matched the predicted value. The yield was relatively stable within 28 d, with a downward trend subsequently appearing.
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