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    • 10. 发明授权
    • Method of producing compound originating from polysaccharide-based biomass
    • 生产多糖类生物质化合物的方法
    • US08497091B2
    • 2013-07-30
    • US12920128
    • 2009-02-27
    • Masayuki HanakawaShinichi MinegishiHiroyuki Kurihara
    • Masayuki HanakawaShinichi MinegishiHiroyuki Kurihara
    • C12P1/00C12P7/06C12N1/00B01D71/00
    • C12P19/40C12P7/04C12P7/06C12P7/16C12P7/56C12P13/001C12P19/04C12P19/14Y02E50/16Y02E50/17
    • A method of producing a compound originating from a polysaccharide-based biomass includes at least one of a saccharification step that produces a sugar solution containing a monosaccharide and/or an oligosaccharide from a product obtainable by hydrolyzing the polysaccharide-based biomass; a fermentation step that ferments the sugar solution containing the monosaccharide and/or oligosaccharide originating from the polysaccharide-based biomass; and a treatment that removes a fermentation inhibitor with the use of a separation membrane having a glucose removal rate and an isopropyl alcohol removal rate which simultaneously satisfy the following relationships (I) and (II) when a 500 ppm aqueous glucose solution at pH 6.5 at 25° C. and a 500 ppm aqueous isopropyl alcohol solution at pH 6.5 at 25° C. are respectively permeated through the membrane at an operation pressure of 0.5 MPa, prior to the saccharification step and/or in the step prior to the fermentation step: Glucose removal rate≧80%  (I) Glucose removal rate−Isopropyl alcohol removal rate≧20%  (II).
    • 一种生产源自多糖类生物质的化合物的方法包括从通过水解多糖类生物质获得的产物产生含有单糖和/或寡糖的糖溶液的糖化步骤中的至少一种; 发酵步骤,其发酵含有源自多糖类生物质的单糖和/或寡糖的糖溶液; 以及当pH为6.5的500ppm葡萄糖水溶液时,使用具有葡萄糖去除速率和异丙醇除去速率的分离膜除去发酵抑制剂的处理,其同时满足以下关系式(I)和(II) 25℃下的pH为6.5的500ppm异丙醇水溶液分别在糖化步骤之前和/或在发酵步骤之前的步骤中以0.5MPa的操作压力渗透通过膜 :葡萄糖去除率> = 80%(I)葡萄糖去除率 - 异丙醇去除率> = 20%(II)。