公开(公告)号：US20060178262A1

公开(公告)日：2006-08-10

申请号：US11334824

申请日：2006-01-19

申请人： Andrzej Rokicki ,  Morlyasu Sugeta ,  David Linke ,  Steven Blankenship ,  Jennifer Boyer

发明人： Andrzej Rokicki ,  Morlyasu Sugeta ,  David Linke ,  Steven Blankenship ,  Jennifer Boyer

IPC分类号： B01J23/56

CPC分类号： B01J23/40 ,  B01J21/04 ,  B01J23/468 ,  B01J23/48 ,  B01J23/50 ,  B01J23/52 ,  B01J23/60 ,  B01J23/626 ,  B01J23/8926 ,  B01J35/0073 ,  B01J35/008 ,  B01J35/1014 ,  C07C7/167 ,  C10G45/36 ,  C10G45/40 ,  Y02P20/52 ,  C07C11/04

摘要： The present development relates to a catalyst composition for the selective hydrogenation of acetylene and to a method for preparing the catalyst. The catalyst comprises iridium, palladium and, optionally, at least one of the elements selected from the group consisting of silver, gold, copper, zinc and tin. In a preferred embodiment, the catalyst is prepared such that the palladium is located within the first 250 micrometers of the surface of the catalyst carrier. In contrast to the catalysts of the prior art, including for example, palladium/silver catalysts, the catalyst of the present invention exhibits high selectivity and an improved stability of the catalytic performance over an extended period of time.

摘要翻译： 本发明涉及用于乙炔的选择性氢化的催化剂组合物和制备该催化剂的方法。 催化剂包括铱，钯和任选的至少一种选自银，金，铜，锌和锡的元素。 在优选的实施方案中，制备催化剂使得钯位于催化剂载体表面的前250微米内。 与现有技术的催化剂相反，包括例如钯/银催化剂，本发明的催化剂在延长的时间段内具有高选择性和改进的催化性能稳定性。