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    • 2. 发明申请
    • Zeolite catalyst for skeletal isomerisation of olefins
    • 用于烯烃骨架异构化的沸石催化剂
    • US20060275207A1
    • 2006-12-07
    • US10549169
    • 2004-03-09
    • Marja TiittaElina HarlinJaana MakkonenNarendra KumarDintry Yu MurzinTapio Salmi
    • Marja TiittaElina HarlinJaana MakkonenNarendra KumarDintry Yu MurzinTapio Salmi
    • C01B39/00B01J29/06
    • C10G45/64B01J29/7046B01J29/87C01B39/48C07C5/2708C07C2529/70C07C11/02C07C11/09C07C11/10C07C11/107
    • The present invention relates to an active and selective zeolite catalyst having MTT structure that is useful in skeletal isomerisation of light olefins. It also relates to a method for the manufacture of said catalyst. The method for the manufacture of the zeolite catalyst having MTT structure comprises the steps of a) Preparing of a gel mixture capable of forming crystalline material, and said mixture comprising sources of alkali or alkaline earth metal (M,) of an oxide of a trivalent element (X), of an oxide of a tetravalent element (Y), water and a directing agent (R), and said mixture having a composition, in terms of molar ratios, within the following ranges; (I) b) Maintaining of said mixture under sufficient conditions, including a temperature of from about 100° C. to about 250° C., under dynamic mode of stirring until crystals of said material are formed, recovering the material, and b) Removing of said directing agent (R) partly or totally with a calcination procedure, whereby a zeolite catalyst having MTT structure is obtained.
    • 本发明涉及具有MTT结构的活性和选择性沸石催化剂,其可用于轻质烯烃的骨架异构化。 它还涉及制备所述催化剂的方法。 制备具有MTT结构的沸石催化剂的方法包括以下步骤:a)制备能够形成结晶材料的凝胶混合物,所述混合物包含三价氧化物的碱金属或碱土金属(M i)源, 元素(X),四价元素(Y)的氧化物,水和导向剂(R),所述混合物的摩尔比在下列范围内的组成: (I)b)在充分的条件下,包括约100℃至约250℃的温度,在动态搅拌模式下保持所述混合物,直至形成所述材料的晶体,回收该材料,和b) 通过煅烧步骤部分或全部除去所述导向剂(R),由此得到具有MTT结构的沸石催化剂。