METHOD FOR PRODUCING SACCHARIFIED SOLUTION BY ENZYMATIC TECHNIQUE USING CELLULOSIC BIOMASS AS RAW MATERIAL
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United States of America Patent
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Oct 22, 2020
app pub date -
Dec 10, 2018
filing date -
Dec 11, 2017
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Abstract
A saccharified solution production method in which cellulosic biomass is solubilized by enzymatic hydrolysis of cellulose contained in the cellulosic biomass, the method being adapted to quickly solubilize the biomass and give a slurry while keeping a high solids concentration in a reaction vessel. The biomass pulverized and an aqueous solution containing a cellulose-hydrolyzing enzyme are mixed in one reaction vessel including no baffle plate disposed in its interior, and the cellulosic biomass is solubilized under stirring. Afterwards, the contents of the reaction vessel are transferred to another reaction vessel including a baffle plate disposed in its interior, and enzymatic hydrolysis of cellulose is allowed to proceed. The solids concentration in the first reaction vessel is preferably 15 to 30% by mass. The efficiency of stirring during enzymatic hydrolysis of cellulose is enhanced, and thus the amount of sugar production can be increased.
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