Importance

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Abstract

To achieve efficient use of enzyme in obtaining a sugar solution through a reaction of the enzyme and biomass containing cellulose. In obtaining a sugar solution through a reaction of enzyme and biomass containing cellulose, the biomass and the enzyme are caused to react in a first reaction tank, whereby a sugar solution in which the enzyme is dispersed and a residue containing the unreached biomass adsorbing the enzyme are generated, these sugar solution and residue are next separated, a pH adjusting solution is supplied to the residue in a second reaction tank to prepare a dilute solution whose sugar concentration is lower than that of the sugar solution, and in this dilute solution, a sugar solution is generated through a reaction between the residue and the enzyme adsorbed to the residue.

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First Claim