Saccharide-solution producing apparatus, fermentation system, saccharide-solution producing method, and fermentation method

The saccharide-solution producing apparatus according to claim 2, whereinnthe second enzymatic saccharification tank includes a first diluted saccharide solution producing enzymatic saccharification tank that produces as the diluted-saccharide-solution a first diluted saccharide solution that contains hexose by adding enzyme to the solid residual fraction discharged from the hydrothermal decomposition device and enzymatically decomposing a cellulose component contained in the solid residual fraction, and a second diluted saccharide solution producing enzymatic saccharification tank that produces as the diluted-saccharide-solution a second diluted saccharide solution that contains pentose by adding enzyme to the hydrothermally discharged fraction discharged from the hydrothermal decomposition device and enzymatically decomposing a hemicellulose component contained in the hydrothermally discharged fraction, whereinone of or both of the first diluted saccharide solution and the second diluted saccharide solution are produced, andthe diluted-saccharide-solution supply pipe is connected to the first diluted saccharide solution producing enzymatic saccharification tank that produces the first diluted saccharide solution and the second diluted saccharide solution producing enzymatic saccharification tank that produces the second diluted saccharide solution so that at least one of the first diluted saccharide solution and the second diluted saccharide solution can be supplied.

The saccharide-solution producing apparatus according to claim 6, whereinnthe second enzymatic saccharification tank includes a first diluted saccharide solution producing enzymatic saccharification tank that produces as the diluted-saccharide-solution a first diluted saccharide solution that contains hexose by adding enzyme to the solid residual fraction discharged from the hydrothermal decomposition device and enzymatically decomposing a cellulose component contained in the solid residual fraction, and a second diluted saccharide solution producing enzymatic saccharification tank that produces as the diluted-saccharide-solution a second diluted saccharide solution that contains pentose by adding enzyme to the hydrothermally discharged fraction discharged from the hydrothermal decomposition device and enzymatically decomposing a hemicellulose component contained in the hydrothermally discharged fraction, whereinone of or both of the first diluted saccharide solution and the second diluted saccharide solution are produced, andthe diluted-saccharide-solution supply pipe is connected to the first diluted saccharide solution producing enzymatic saccharification tank that produces the first diluted saccharide solution and the second diluted saccharide solution producing enzymatic saccharification tank that produces the second diluted saccharide solution so that at least one of the first diluted saccharide solution and the second diluted saccharide solution can be supplied.