PROCESS FOR THE PRODUCTION OF ALCOHOLS AND/OR SOLVENTS FROM LIGNOCELLULOSIC BIOMASS WITH WASHING OF THE SOLID RESIDUE OBTAINED AFTER HYDROLYSIS
    2.
    发明申请
    PROCESS FOR THE PRODUCTION OF ALCOHOLS AND/OR SOLVENTS FROM LIGNOCELLULOSIC BIOMASS WITH WASHING OF THE SOLID RESIDUE OBTAINED AFTER HYDROLYSIS 有权
    水解后获得的固体残留物的洗涤用于生产液体生物质的醇和/或溶剂的方法

    公开(公告)号:US20140256012A1

    公开(公告)日:2014-09-11

    申请号:US14197619

    申请日:2014-03-05

    Abstract: The process for the production of alcohol and/or solvent from a biomass feedstock comprises the stages for pretreatment (P) of the biomass feedstock, for enzymatic hydrolysis (H) of the pretreated substrate, and for fermenting the hydrolyzate (F).To reduce the size of the fermenters, at least a portion of the solid residue contained in the hydrolyzate is extracted (Ex1) in such a way as to obtain a stream of solid residue (9) comprising lignin and a hydrolyzate (8) that is low in solid residue. Then, the stream of solid residue is washed (L) with a liquid stream in such a way as to recover a sugar-enriched liquid stream (15). The sugar-enriched liquid stream (15) is recycled in the enzymatic hydrolysis stage (H) to be able to upgrade the sugars without providing dilution of the streams in the process.

    Abstract translation: 从生物质原料生产醇和/或溶剂的方法包括生物质原料的预处理(P),预处理底物的酶水解(H)和发酵水解产物(F)的阶段。 为了减小发酵罐的尺寸,提取水解产物中含有的至少一部分固体残余物(Ex1),以获得包含木质素和水解产物(8)的固体残余物(9),即 固体残渣少。 然后,用液体流洗涤固体残余物流(L),以回收富含糖的液体流(15)。 富含糖的液体流(15)在酶水解阶段(H)中再循环,以便能够在不提供该过程中的流的稀释的情况下升级糖。

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