PRODUCTION METHOD FOR 1,4-BUTANEDIOL
    8.
    发明申请
    PRODUCTION METHOD FOR 1,4-BUTANEDIOL 审中-公开
    1,4-丁二醇的生产方法

    公开(公告)号:US20150087038A1

    公开(公告)日:2015-03-26

    申请号:US14560714

    申请日:2014-12-04

    Abstract: An object of the present invention is to provide high-quality 1,4BG capable of working out to a raw material of PBT with good color tone, by efficiently removing and refining impurities mixed when producing a biomass-derived 1,4BG on an industrial scale and the present invention relates to a production method of refined 1,4BG, where a crude 1,4BG-containing solution is obtained from refined raw material 1,4BG obtained by removing bacterial cells, salt contents and water from the fermentation culture medium, through a step of removing high-boiling-point components and/or low-boiling-point components by distillation and/or a step of converting an unsaturated compound to a hydride and the target product is obtained as a side stream in a further distillation step.

    Abstract translation: 本发明的目的是提供一种能够通过在工业规模生产生物质衍生的1,4BG时有效地除去和精制混合的杂质来提供具有良好色调的PBT原料的高质量的1,4BG 本发明涉及精制的1,4BG的制造方法,其中,通过从发酵培养基中除去细菌细胞,盐含量和水,通过从精制原料1,4BG获得粗制的含1,4BG的溶液,通过 通过蒸馏除去高沸点组分和/或低沸点组分的步骤和/或将不饱和化合物转化为氢化物的步骤,并在另外的蒸馏步骤中作为副产物获得目标产物。

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