PREPROCESSING METHOD OF HYDROLYZING LIGNOCELLULOSIC BIOMASS AND METHODS OF MANUFACTURING SUGAR COMPOUND AND BIOETHANOL FROM BIOMASS PROCESSED USING THE PREPROCESSING METHOD
First Claim
1. A method of pretreating lignocellulosic biomass prior to hydrolysis, comprising:
- immersing lignocellulosic biomass in water to swell the lignocellulosic biomass;
wet-milling the swelled lignocellulosic biomass; and
popping the wet-milled lignocellulosic biomass.
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Abstract
The present invention relates to a method of pretreating lignocellulosic biomass prior to hydrolysis, and, more particularly, to a method of pretreating lignocellulosic biomass prior to hydrolysis using wet milling in combination with popping, a method of manufacturing a sugar compound from the biomass pretreated using the method, and a method of manufacturing bioethanol from the biomass pretreated using the method. According to the present invention, energy consumption can be reduced, lignocellulosic biomass can be easily pretreated in an environment-friendly manner without treating chemicals, and the efficiency of hydrolyzing lignocellulosic biomass can be remarkably improved.
10 Citations
16 Claims
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1. A method of pretreating lignocellulosic biomass prior to hydrolysis, comprising:
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immersing lignocellulosic biomass in water to swell the lignocellulosic biomass; wet-milling the swelled lignocellulosic biomass; and popping the wet-milled lignocellulosic biomass. - View Dependent Claims (2, 3, 4)
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5. A method of manufacturing a sugar compound from lignocellulosic biomass, comprising:
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immersing lignocellulosic biomass in water to swell the lignocellulosic biomass; wet-milling the swelled lignocellulosic biomass; popping the wet-milled lignocellulosic biomass; and saccharifying the popped biomass. - View Dependent Claims (6, 7, 11, 12, 13)
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8. A method of manufacturing bioethanol from lignocellulosic biomass, comprising:
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pretreating lignocellulosic biomass by immersing lignocellulosic biomass in water to swell the lignocellulosic biomass, wet-milling the swelled lignocellulosic biomass, and popping the wet-milled lignocellulosic biomass; saccharifying the pretreated lignocellulosic biomass to obtain a sugar compound; and fermenting the obtained sugar compound. - View Dependent Claims (9, 10, 14, 15, 16)
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Specification