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8-69: Bioethanol production from Miscanthus by pretreatment with inorganic salts

Tuesday, May 3, 2011
Kyeong Eop Kang1, Gwi-Taek Jeong2, Doman Kim3, Hwa-won Ryu4, Changshin Sunwoo5 and Don-Hee Park5, (1)Interdisciplinary Program of Graduate School for Bioenergy and Biomaterials, Chonnam National University, Gwangju, South Korea, (2)Department of Biotechnology, Pukyong National University, Pusan, South Korea, (3)School of Biological Sciences and Technology, Interdisciplinary Program of Graduate School for Bioenergy & Biomaterials, Chonnam National University, Gwangju, South Korea, (4)Interdisciplinary Program of Graduate School for Bioenergy and Biomaterials, School of Biological Sciences and Technology, Chonnam National University, Gwangju, South Korea, (5)Interdisciplinary Program of Graduate School for Bioenergy and Biomaterials, School of Biological Sciences and Biotechnology, Chonnam National University, Gwangju, South Korea
Bioethanol from lignocellulosic biomass have economic and environmental advantages in comparison to bioethanol from sugar or starch. Pretreatment is one of the most importance process for removing the physical and chemical barriers such as lignin inhibit the accessibility of enzyme to the cellulose substrate. However, the cost of pretreatment is expensive unit operations in the processing of lignocellulosic biomass to bioethanol. In this study, Miscanthus was selected as the lignocellulosic biomass for the bioethanol production and pretreated by using inorganic salts in aqueous solution such as NaCl, KCl, CaCl2, and MgCl2. The morphologic change (by SEM) and glucose conversion (by HPLC) of the feedstock after pretreatment was monitored. With optimized pretreatment condition, simultaneous saccharification fermentation (SSF) was performed to produce bioethanol production from Miscanthus.
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