화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2008년 봄 (04/23 ~ 04/25, 제주ICC)
권호 14권 1호, p.974
발표분야 에너지/환경
제목 Pretreatment of non-woody lignocellulosic biomass and bioethanol production by simultaneous saccharification and fermentation
초록 Lignocellulose is the most plentiful renewable biomass produced from photosynthesis and it has a yearly supply of nearly 200 billion metric tons worldwide. However, there is still a technical obstacle to hydrolyze lingocellulose to fermentable monosugars because the linear polymer has a strong crystalline and are usually surrounded by lignin which reduces the accessibility to hydrolytic enzymes. Recently, a novel method featuring modest reaction conditions (50℃ and atmosphere pressure) was presented, which combines a nonvolatile cellulose solvent (phosphoric acid) and a second volatile organic solvent (acetone). Using this method, the non-woody lignocellulosic biomass, such as grass, reed, and rapeseed stover grown in Korea widely, was investigated to produce ethanol using the simultaneous saccharification and fermentation method. Our result shows that this pretreatment method can separate lignocellulose components, recycle both solvents easily, and give high yield more than 90% of theoretical maximum yield.
저자 김낙종, hui LI, 장호남
소속 KAIST 생명화학공학과
키워드 Bioethanol; Lignocellulosic biomass; Pretreatment; simultaneous saccharification and fermentation
E-Mail hnchang@kaist.ac.kr
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