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Two-step Acid Hydrolysis Method for Producing Fermentable Sugar from Lignocellulosic Biomass
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 Title & Authors
Two-step Acid Hydrolysis Method for Producing Fermentable Sugar from Lignocellulosic Biomass
Park, Jang Han; Kim, Jun Seok;
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For obtain fermentable sugar, we conducted acid hydrolysis with lignocellulosic biomass without enzyme. The lignocellulosic biomass used pinus rigida and Palm residues (EFB; empty fruit bunches). In the acid hydrolysis, we consider the hydrolysis condition to reduce a denatured sugar. So this study was conducted 2-step acid hydrolysis. First-step hydrolysis used high concentration (72 wt%) sulfuric acid at . At the condition, we obtained 11.49 wt%, 32 wt% glucose conversion for pinus rigida and EFB. After the step, the liquor was dilute until 9~15 wt% acid concentration and conducted second hydrolysis at . In the second hydrolysis, we obtained maximum glucose conversion (pinus rigida 86.8 wt% (39 g/L) and EFB 95.3 wt% (32.4 g/L)) at 9 wt% acid concentration and for 80 min. All samples through the process are analyzed on the basis of mass balance.
Lignocellulosic Biomass;Acid Hydrolysis;Two-step Pretreatment;Fermentable Sugar;
 Cited by
에탄올 유기용매 전처리를 이용한 옥수수대의 효소당화,박장한;김태현;김준석;

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