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논문 기본 정보

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(충북대학교) (광운대학교) (광운대학교) (충북대학교)
저널정보
한국펄프·종이공학회 한국펄프·종이공학회 학술발표논문집 한국펄프·종이공학회 2010년 추계학술발표논문집
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    초록·키워드

    We investigated acid hydrolysis characteristics of yellow poplar woodmeal with concentrated sulfuric acid for high concentration of monosaccharides production. Woodmeal to 72% sulfuric acid ratio (w/v), 2<SUP>nd</SUP> hydrolysis temperature and time were main variables for finding optimum reaction condition. Optimum woodmeal to 72% sulfuric acid ratio was 1:1.6(w/v) and 2<SUP>nd</SUP> hydrolysis temperature and time was 105℃ and 40 min as 44.8 g/L of glucose and 25.2 g/L of xylose in hydrolysis solution. In this acid hydrolysis solution, furfural, 5-HMF, low molecular weight phenolic compounds were identified. Furfural and 5-HMF concentration were increased as increasing 2<SUP>nd</SUP> hydrolysis time. More than 40 min of 2<SUP>nd</SUP> hydrolysis at 110℃, xylose concentration was decreased but glucose concentration was leveled out because xylose to furfural reaction was faster than xylan to xylose, but cellulose to glucose reaction was similar rate with glucose to 5-HMF at that 2<SUP>nd</SUP> hydrolysis reaction condition.

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      UCI(KEPA) : I410-ECN-0101-2012-586-003603729