Method for making silica shaped bodies
    5.
    发明授权
    Method for making silica shaped bodies 有权
    制作二氧化硅体的方法

    公开(公告)号:US08207082B2

    公开(公告)日:2012-06-26

    申请号:US12087981

    申请日:2007-01-12

    IPC分类号: B01J21/08 B01J31/06

    摘要: This invention relates to a method for making shaped bodies having a silica content of at least 85 wt %, to shaped bodies made by such method, to catalyst compositions comprising shaped bodies made by such methods and to catalytic conversion processes using catalyst compositions comprising shaped bodies made by such methods. The method of making the shaped bodies comprises the steps of a) forming shaped bodies from a mixture obtained from at least one amorphous silica powder, at least one silica sol having a pH below 7, and at least one polymeric organic extrusion aid, optionally supplemental liquid medium and optionally crystallites of a zeolite or zeolite-type material; b) drying the shaped bodies obtained in step a); and c) heating the shaped bodies to a temperature ranging from about 500° C. to about 800° C.

    摘要翻译: 本发明涉及一种制备具有至少85重量%的二氧化硅含量的成型体,通过这种方法制成的成形体,包括由这种方法制成的成型体的催化剂组合物,以及使用包含成形体的催化剂组合物的催化转化方法 通过这种方法制成。 制造成形体的方法包括以下步骤:a)从由至少一种无定形二氧化硅粉末,至少一种pH值低于7的硅溶胶和至少一种聚合有机挤出助剂获得的混合物形成成型体,任选地补充 液体介质和任选的沸石或沸石型材料的微晶; b)干燥步骤a)中获得的成形体; 和c)将成形体加热至约500℃至约800℃的温度。