Process for the production of nan-sized zeolite A
    4.
    发明申请
    Process for the production of nan-sized zeolite A 失效
    生产纳米级沸石A的方法

    公开(公告)号:US20050058597A1

    公开(公告)日:2005-03-17

    申请号:US10664774

    申请日:2003-09-16

    摘要: Described is a process to synthesize nano-size Zeolite A from an amorphous gel precursor which can be synthesized via reaction of NaAlO2, NaOH, and tetraethoxysilane (TEOS). Zeolite A with particle sizes of ˜150 nm was made by transformation of the amorphous precursor in (CH3)4NOH solution with Zeolite A seeding. The nano-sized Zeolite A can be part of processes for making non-phosphate detergent where the as-synthesized Zeolite A used as builders, for making thin films for separation and/or catalysis, for making secondary ordered patterns.

    摘要翻译: 描述了从无定形凝胶前体合成纳米尺寸沸石A的方法,其可以通过NaAlO 2,NaOH和四乙氧基硅烷(TEOS)的反应合成。 通过用沸石A接种在(CH 3)4 NOH溶液中转化无定形前体而制备粒径为〜150nm的沸石A. 纳米尺寸的沸石A可以是制备非磷酸盐洗涤剂的方法的一部分,其中合成的沸石A用作助洗剂,用于制备用于分离和/或催化的薄膜,用于制备二次有序图案。

    OMS-2 catalysts in PEM fuel cell applications
    10.
    发明申请
    OMS-2 catalysts in PEM fuel cell applications 审中-公开
    OMS-2催化剂在PEM燃料电池应用中的应用

    公开(公告)号:US20060019130A1

    公开(公告)日:2006-01-26

    申请号:US10894993

    申请日:2004-07-20

    IPC分类号: H01M8/04

    摘要: A PEM fuel cell system in which an oxidizer is provided and in which the catalyst for the oxidizer is an OMS-2 catalyst and, in particular, an M-OMS-2 catalyst. Preferable catalysts are Co-OMS-2, Cu-OMS-2 and Ag-OMS-2 and, more preferably, Ag-OMS-2. Also, the effectiveness of the oxidizer is enhanced by one or more of the controlled addition of oxidant to the fuel feed and/or oxidizer, controlling the space velocity of the fuel feed and controlling the operating temperature of the oxidizer. A system for regeneration of the M-OMS-2 catalyst and a method of making the catalyst are additionally provided.

    摘要翻译: 提供氧化剂的PEM燃料电池系统,其中用于氧化剂的催化剂是OMS-2催化剂,特别是M-OMS-2催化剂。 优选的催化剂是Co-OMS-2,Cu-OMS-2和Ag-OMS-2,更优选Ag-OMS-2。 此外,氧化剂的有效性通过将一氧化剂的一种或多种可控加入到燃料进料和/或氧化剂中来加强,控制燃料进料的空速并控制氧化剂的操作温度。 另外提供了M-OMS-2催化剂的再生系统和制造催化剂的方法。