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    Method of producing concentrated saccharified liquid
    35.
    发明专利
    Method of producing concentrated saccharified liquid 审中-公开
    生产稠化液体的方法

    公开(公告)号：JP2014128213A

    公开(公告)日：2014-07-10

    申请号：JP2012287177

    申请日：2012-12-28

    申请人： Kawasaki Heavy Ind Ltd ,  川崎重工業株式会社

    发明人： NISHINO TAKESHI ,  IZUMI NORIAKI ,  TAJIRI HIRONORI ,  KUSUDA HIROMASA ,  TSUZAWA MASAKI

    IPC分类号： C13K1/02 ,  C13B10/00

    CPC分类号： C13K1/04 ,  B01D61/025 ,  B01D61/027 ,  B01D61/04 ,  B01D61/145 ,  B01D61/58 ,  B01D2311/04 ,  B01D2311/2649 ,  C12P7/10 ,  C12P19/02 ,  C12P2203/00 ,  Y02E50/16

    摘要： PROBLEM TO BE SOLVED: To provide a method of producing a concentrated saccharified liquid which uses lignocellulosic biomass as raw material, removes easily lignin and its decomposition products contained in a saccharified liquid and includes a pretreatment method capable of reducing the load of the step of concentrating a saccharified liquid.SOLUTION: A saccharified liquid obtained by hydrolyzing cellulose type biomass is filtrated by a membrane separator equipped with a separation membrane having a cut-off molecular weight of 1,000-7,000 and fed to a reverse osmosis membrane apparatus or a nano filter membrane apparatus so as to concentrate. The membrane treatment causes saccharides having a small molecular weight and contained in the saccharified liquid transfers to the filtrate, and lignin and its decomposition products having a large molecular weight are discharged from the membrane separator as a concentrated liquid, leading to prevention of loss of saccharides contained in the saccharified liquid and easy prevention of fouling of the reverse osmosis membrane or nano filter membrane used in concentrating the saccharified liquid.

    摘要翻译： 要解决的问题：为了提供使用木质纤维素生物质作为原料的浓缩糖化液的制造方法，容易地除去糖化液中含有的木质素及其分解产物，并且包括能够降低浓缩步骤的负荷的预处理方法 糖化液。溶液：通过水解纤维素型生物质获得的糖化液体通过配备有截留分子量为1,000-7,000的分离膜的膜分离器过滤，并进料到反渗透膜装置或纳滤膜 设备集中。 膜处理导致糖分含量低的糖类转移到滤液中，将分解物分解的木质素及其分解产物作为浓缩液体从膜分离器排出，从而防止糖类的损失 包含在糖化液体中，并且容易防止用于浓缩糖化液体的反渗透膜或纳米过滤膜的结垢。