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    Hydroformylation process including catalyst recycle
    1.
    发明授权
    Hydroformylation process including catalyst recycle 失效
    加氢甲酰化工艺，包括催化剂循环

    公开(公告)号：US08541627B2

    公开(公告)日：2013-09-24

    申请号：US13001922

    申请日：2009-08-19

    申请人： Eddy T. A. Van Driessche ,  Ronald D. Garton ,  Corey W. Reed

    发明人： Eddy T. A. Van Driessche ,  Ronald D. Garton ,  Corey W. Reed

    IPC分类号： C07C45/50 ,  C07C29/14

    CPC分类号： C07C45/50 ,  C07C45/80 ,  Y02P20/584 ,  C07C47/02

    摘要： An improved hydroformylation catalyst cycle is disclosed wherein the cobalt catalyst is recycled to the hydroformylation reaction mainly as a water soluble carbonyl salt, obtained from extraction of the acidic form of the homogeneous cobalt carbonyl catalyst from the hydroformylation product with an aqueous solution of a salt of a weaker acid. The organic product after extraction is submitted to a further demetalling step in the presence of a dilute acid and an oxidant. The water from this further demetalling step is suitable for use in the upstream extraction step. A free water phase present in the hydroformylation reaction product may be separated upstream from the extraction step and is suitable for use in the further demetalling step, such that the catalyst cycle has no waste water stream.

    摘要翻译： 公开了一种改进的加氢甲酰化催化剂循环，其中主要以水溶性羰基盐将钴催化剂再循环至加氢甲酰化反应，该水溶性羰基盐是从加氢甲酰化产物中提取酸性形式的均匀钴羰基催化剂得到的， 酸弱。 提取后的有机产物在稀酸和氧化剂存在下进一步脱金属步骤。 来自该进一步脱金属步骤的水适用于上游萃取步骤。 存在于加氢甲酰化反应产物中的游离水相可以从萃取步骤的上游分离，并且适合用于进一步脱金属步骤，使得催化剂循环不含废水流。