Abstract
In order to utilize corncob residue in the production of 2,3-butanediol, a pretreatment method was carried out. Sodium hydroxide method was chosen from six different types of pretreatment for lignocellulosic materials. After the composition analysis and fermentation experiment of the treated residue, the condition of pretreatment was suggested (hydroxide concentration of 1.5 %, processing temperature at 80 °C, processing time of 3 h, solid-to-liquid ratio of 1:8). Comparison between the primary material and the treated residue was conducted, the results proved that the output of 2,3-butanediol and acetoin (20.35 g/L) with the treated material was 3.38 times of the yield with the unpretreated corncob residue (6.02 g/L). After 72 h SSF, sugar yield of the cellulose was 75.40 %.
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Acknowledgments
This work was supported by program for the planning subject of “the twelfth five-year-plan” in National Science and Technology for the Rural Development in China (Grant No. 2012AA101805) and Science Foundation of Tianjin University of Science and Technology (Grant No. 20090401).
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Peng, X., Zhang, C., Tian, Y., Guo, X., Liu, Y., Xiao, D. (2014). Corncob Residue Pretreatment for 2,3-Butanediol Production by Simultaneous Saccharification and Fermentation. In: Zhang, TC., Ouyang, P., Kaplan, S., Skarnes, B. (eds) Proceedings of the 2012 International Conference on Applied Biotechnology (ICAB 2012). Lecture Notes in Electrical Engineering, vol 251. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-37925-3_156
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DOI: https://doi.org/10.1007/978-3-642-37925-3_156
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