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    Magnetic separation and recycle of catalyst components in a bio-mass to glycols process
    1.
    发明授权
    Magnetic separation and recycle of catalyst components in a bio-mass to glycols process 有权

    公开(公告)号：US10519086B2

    公开(公告)日：2019-12-31

    申请号：US16328085

    申请日：2017-08-30

    申请人： SHELL OIL COMPANY

    发明人： Duraisamy Muthusamy ,  Viet Quoc Nguyen

    IPC分类号： C07C29/76 ,  B01J23/00 ,  B01J25/00 ,  B01J23/30 ,  B01J25/04 ,  B01J35/00 ,  B01J38/72 ,  C07C29/141 ,  C07C31/20

    摘要： Implementations of the disclosed subject matter provide a process for producing ethylene glycol from a carbohydrate feed. The process may include contacting, in a reactor under hydrogenation conditions, the carbohydrate feed with a bi-functional catalyst system which may include a heterogeneous hydrogenation catalyst including a magnetically active metal, and a soluble retro-Aldol catalyst including tungstate. A liquid effluent stream may be obtained from the reactor and may include hydrogenation catalyst particles and tungsten oxide precipitate particles. The hydrogenation catalyst particles may be magnetically separated from the tungsten oxide precipitate particles in the liquid effluent stream using a magnet in a separation vessel. The separated hydrogenation catalyst particles may be retained in a separation zone in the separation vessel and may be subsequently removed from the separation zone. A liquid product stream may be obtained from the separation vessel and may include the tungsten oxide precipitate particles and ethylene glycol.

    Process for the production of Raney nickel catalysts and their use in the hydrogenation of organic compounds
    7.
    发明申请
    Process for the production of Raney nickel catalysts and their use in the hydrogenation of organic compounds 有权
    生产阮内镍催化剂的方法及其在有机化合物氢化中的应用

    公开(公告)号：US20050107251A1

    公开(公告)日：2005-05-19

    申请号：US10932627

    申请日：2004-09-02

    申请人： Joachim Zechlin ,  Gerhard Wegener ,  Hans Warlimont

    发明人： Joachim Zechlin ,  Gerhard Wegener ,  Hans Warlimont

    IPC分类号： B01J25/00 ,  B01J25/02 ,  B01J37/00 ,  C07B61/00 ,  C07C209/36 ,  C07C211/50 ,  C07C211/51 ,  B01J23/00 ,  B01J25/04

    CPC分类号： C07C209/36 ,  B01J25/02 ,  C07C211/51

    摘要： The invention relates to a process for the production of Raney nickel catalysts. In this process, the melt of an alloy comprising from 40 to 95 wt. % aluminium, from 5 to 50 wt. % nickel, 0 to 20 wt. % iron, from 0 to 15 wt. % of one or more transition metals selected from the group consisting of cerium, cerium mixed metal, vanadium, niobium, tantalum, chromium, molybdenum and manganese, and, optionally, additional glass-forming elements, is brought into contact with one or more rotating cooling rollers or cooling plates and is allowed to cool and solidify thereon. The cooling rollers have a surface structured by means of transverse grooves, and the cooling plates have a surface structured by means of grooves extending outwards from the axis of rotation. The rapidly solidified alloy on the cooling rollers or the cooling plates is then subjected to treatment with one or more organic or inorganic bases.

    摘要翻译： 本发明涉及一种生产阮内镍催化剂的方法。 在该方法中，包含40至95重量％ ％铝，5至50wt。 ％镍，0〜20wt。 ％铁，0至15wt。 选自铈，铈混合金属，钒，铌，钽，铬，钼和锰的一种或多种过渡金属和任选的另外的玻璃形成元素的％与一个或多个旋转 冷却辊或冷却板，并在其上冷却和固化。 冷却辊具有由横向槽构成的表面，并且冷却板具有由从旋转轴线向外延伸的槽构成的表面。 然后将冷却辊或冷却板上的快速凝固的合金用一个或多个有机或无机碱进行处理。

    Method of removing catalyst
    8.
    发明授权
    Method of removing catalyst 失效
    去除催化剂的方法

    公开(公告)号：US5690836A

    公开(公告)日：1997-11-25

    申请号：US454007

    申请日：1995-05-30

    申请人： Matthew Raskin ,  James R. Gallagher

    发明人： Matthew Raskin ,  James R. Gallagher

    IPC分类号： B01D29/11 ,  B01D35/02 ,  B01D37/00 ,  B01D39/16 ,  B01J20/28 ,  B01J25/04 ,  B01J38/00 ,  B01D24/46 ,  B01J20/34

    CPC分类号： B01D39/1623 ,  B01D37/00 ,  B01J25/04 ,  B01J38/00 ,  Y10S502/523

    摘要： A method of removing a catalyst, particularly Raney nickel, from a catalytic reaction product, particularly a hydrogenation reaction product, by passing the catalytic reaction product containing the solid catalyst through a hollow tubular filter medium which comprises a nonwoven web of fibers, has a tapered pore distribution such that the pore size of the filter medium decreases in the direction of normal fluid flow, and is backwashable.

    摘要翻译： 通过使包含固体催化剂的催化反应产物通过包含非织造纤维网的中空管状过滤介质，从催化反应产物，特别是氢化反应产物中除去催化剂，特别是阮内镍的方法具有锥形 孔分布使得过滤介质的孔径在正常流体流动的方向上减小，并且是可回洗的。