| 简介 |
(57) Abstract : The present invention relates to a continuous process for the enzymatic hydrolysis of cellulosic biomass and to an apparatus for conducting said process. According to the present invention, a steady state is achieved in a reactor in regard to the hydrolysis reaction. Therein, celhflosic biomass of a high total solids content (preferably 10% or higher, further preferably be- tween 15 and 30%) is continually added to said reactor, while at least partially hydrolyzed cellulosic biomass is continually re- moved from said reactor. The steady state is adjusted, i.e. the amount of cellulosic biomass added and the amount of at least partially hydrolyzed cellulosic biomass removed is adjusted, so that the retention time of a given portion of added cellulosic biomass in the reactor is longer than its "liquefaction time", i.e. the time period required to transform a solid slurry into a pumpable liquid a |
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