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    • 9. 发明申请
    • PROCESS FOR IMPROVING THE HYDROLYSIS OF CELLULOSE IN HIGH CONSISTENCY SYSTEMS
    • 改进高度一致性体系中纤维素水解的方法
    • WO2012027843A1
    • 2012-03-08
    • PCT/CA2011/050526
    • 2011-08-30
    • IOGEN ENERGY CORPORATIONHARLICK, Peter, J.E.ZHENG, Wei
    • HARLICK, Peter, J.E.ZHENG, Wei
    • C12P19/14C12M1/00C12M1/40C12P19/02
    • C12M45/06C12P7/10C12P19/02C12P19/14C12P2203/00Y02E50/16
    • Provided is a process for the enzymatic hydrolysis of cellulose to produce glucose from a pretreated cellulosic feedstock. The process comprises providing an aqueous slurry of the pretreated cellulosic feedstock that has a water content that is less than about 140% of the maximum water holding capacity of the pretreated cellulosic feedstock. The aqueous slurry of the pretreated cellulosic feedstock is fed to one or more unmixed hydrolysis reactors and hydrolyzed with cellulase enzymes therein. In the unmixed hydrolysis reactor(s), the cellulase enzymes hydrolyze a portion of the cellulose to produce soluble sugars, thereby producing a mixture of partially hydrolyzed cellulose containing soluble sugars. The hydrolysis of the cellulose to glucose is continued by feeding the mixture of partially hydrolyzed cellulose to one or more mixed hydrolysis reactors. Also provided are systems for carrying out the foregoing enzymatic hydrolysis.
    • 提供了一种纤维素酶水解从预处理的纤维素原料产生葡萄糖的方法。 该方法包括提供预处理的纤维素原料的水性浆料,其含水量小于预处理的纤维素原料的最大保水能力的约140%。 将预处理的纤维素原料的含水浆料进料到一个或多个未混合的水解反应器中,并用其中的纤维素酶水解。 在未混合的水解反应器中,纤维素酶水解一部分纤维素以产生可溶性糖,从而产生含有可溶性糖的部分水解的纤维素的混合物。 通过将部分水解的纤维素的混合物加入到一个或多个混合水解反应器中,将纤维素水解成葡萄糖。 还提供了用于进行上述酶水解的系统。