The present invention aims to produce a sugar liquid hardly containing fermentation inhibitors. The present invention is a method for concentrating an aqueous cellulose-derived sugar solution with a nanofiltration membrane and/or reverse osmosis membrane, wherein a sugar liquid is produced by adding an anionic polymer to remove fermentation inhibitors into the permeate side of the nanofiltration membrane and/or reverse osmosis membrane.
本发明旨在生产一种几乎不含发酵
抑制剂的糖液。本发明是一种利用纳滤膜和/或反渗透膜浓缩
纤维素衍生糖
水溶液的方法,其中通过在纳滤膜和/或反渗透膜的渗透侧加入去除发酵
抑制剂的阴离子聚合物来生产糖液。