Silver-exchanged zeolites and methods of manufacture therefor
    10.
    发明授权
    Silver-exchanged zeolites and methods of manufacture therefor 有权
    银交换沸石及其制造方法

    公开(公告)号:US08221718B2

    公开(公告)日:2012-07-17

    申请号:US12636146

    申请日:2009-12-11

    IPC分类号: B01J29/06

    摘要: The present invention relates generally to zeolites having a silica/alumina ratio of less than or equal to 10 (Si/Al≦10) that are exchanged with Ag+ and thermally treated in such a way to favor adsorption over alternative catalytic and chemically reactive functionalities. The adsorbents of the present invention and the method of producing such adsorbents maximize the working adsorption capacity through π-complexation. Applications for such adsorbents include any process in which contaminants from gas streams can form π-complexes with the Ag in the zeolite, particularly the removal of CO, ethylene, propylene and the like from air and CO/H2 from air in prepurifier adsorbers in the production of ultra high purity (UHP) N2.

    摘要翻译: 本发明一般涉及二氧化硅/氧化铝比小于或等于10(Si / Al和NlE; 10)的沸石,其与Ag +交换并以这样的方式进行热处理,以有利于通过替代的催化和化学反应性官能团吸附。 本发明的吸附剂和这种吸附剂的制备方法通过络合作用使工作吸附能力最大化。 对这些吸附剂的应用包括其中来自气流的污染物可以与沸石中的Ag形成&复合物的任何方法,特别是从空气中的CO,乙烯,丙烯等从预净化器吸附器中的空气和CO / H 2中去除 生产超高纯度(UHP)N2。