SILICON-ALUMINUM MIXED OXIDE POWDER
    8.
    发明申请
    SILICON-ALUMINUM MIXED OXIDE POWDER 有权
    硅铝混合氧化物粉末

    公开(公告)号:US20130303361A1

    公开(公告)日:2013-11-14

    申请号:US13997677

    申请日:2012-02-03

    IPC分类号: B01J31/26

    摘要: Silicon-aluminum mixed oxide powder having a weight ratio of (Al2O3/SiO2)ttl in the total primary particle of from 0.003 to 0.05, a weight ratio (Al2O3/SiO2)surface of the primary particles in a surface layer having a thickness of about 5 nm which is less than in the total primary particle and a BET surface area of from 50 to 250 m2/g.It is prepared by igniting one or more silicon compounds selected from the group consisting of CH3SiCl3, (CH3)2SiCl2, (CH3)3SiCl and (n-C3H7)SiCl3, a hydrolysable and oxidizable aluminum compound, at least one fuel gas and air and burning the flame into a reaction chamber, subsequently separating the solid from gaseous materials and subsequently treating the solid with water vapor.The silicon-aluminum mixed oxide powder can be used as catalyst.

    摘要翻译: 总一次粒子中的重量比(Al 2 O 3 / SiO 2)tt1为0.003〜0.05的硅铝混合氧化物粉末,表层的一次粒子的重量比(Al 2 O 3 / SiO 2)表面的厚度为约 5nm,小于总一次粒子,BET表面积为50〜250m 2 / g。 通过点燃一种或多种选自CH 3 SiCl 3,(CH 3)2 Cl 2,(CH 3)3 SiCl和(n-C 3 H 7)SiCl 3)的硅化合物,可水解和可氧化的铝化合物,至少一种燃料气体和空气以及 将火焰燃烧到反应室中,随后将固体与气态物质分离,随后用水蒸汽处理固体。 硅铝混合氧化物粉末可用作催化剂。