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    • 10. 发明申请
    • Apparatus for removing pyrophoric catalyst
    • 用于去除发火催化剂的装置
    • US20030196951A1
    • 2003-10-23
    • US10452638
    • 2003-06-02
    • William Tully
    • B01D027/00B01D035/28B01D035/00
    • B01J25/04B01D29/27B01D29/96B01D2201/302B01J8/0005B01J8/006B01J8/08B01J19/0053B01J2208/00176B01J2219/0002B01J2219/00029
    • Spent pyrophoric reaction catalyst from a reaction mixture is removed safely, cheaply, and rapidly using a single plate pressure filter. After hydrogenation, the reaction mixture is decanted, the desired hydrogenation product is removed, and catalyst-rich material which settles at the bottom of the vessel is delivered to a single plate pressure filter fitted with a filter bag 40 of permeable material. The spent catalyst is retained in the filter bag 40 and stored under water awaiting recovery. The filter apparatus 1 comprises a container having a domed base 2, a generally cylindrical sidewall 3 terminating in an upper rim 4 closed by a lid 5 having lifting lugs 6. The lid 5 is fixed in pressure-tight engagement with the sidewall 3 by flange engaging screw clamps 7 and an embedded polytetrafluoroethene gasket 8. The filter bag 40 is held in position by a band 11 and may be readily released for removal of the spent catalyst material. The bag 40 may be reused.
    • 从反应混合物中消耗自燃反应催化剂,使用单板压力过滤器安全,便宜,快速地除去。 氢化后,将反应混合物倾析,除去所需的氢化产物,沉淀在容器底部的富含催化剂的材料被输送到装有可渗透材料的过滤袋40的单板压力过滤器上。 废催化剂保留在过滤袋40中并储存在等待回收的水中。 过滤装置1包括具有圆顶形基部2的容器,大致圆柱形的侧壁3终止于由具有提升凸耳6的盖5封闭的上边缘4中。盖5通过凸缘与侧壁3压力密封地接合而固定 接合螺钉夹具7和嵌入的聚四氟乙烯垫圈8.过滤袋40通过带11保持就位,并且可以容易地释放以除去废催化剂材料。 袋40可以重复使用。