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    • 5. 发明申请
    • MCrAlY supported catalysts for oxidative dehydrogenation of alkanes
    • MCrAlY负载催化剂用于烷烃的氧化脱氢
    • US20040072685A1
    • 2004-04-15
    • US10269174
    • 2002-10-11
    • Conoco Inc.
    • Zhen Y. ChenSriram RamaniLisa M. CarmichaelJoe D. Allison
    • C07C005/333C07C005/327
    • C07C5/48C07C2523/76C07C2523/89C07C11/02
    • A catalyst useful for the production of olefins from alkanes via oxidative dehydrogenation (ODH) is disclosed. In accordance with a preferred embodiment of the present invention, a catalyst for use in ODH processes includes a MCrAlY support. M is preferably a base metal, or combination of base metals. A base metal is herein defined as a non-Group VIII metal, with the exception of iron, cobalt and nickel. Suitable base metals include Group IB-VIIB metals, Group IIIA-VA metals, Lanthanide metals, iron, cobalt and nickel. In a preferred embodiment, M is iron. Additionally, the catalyst may optionally include a Group VIII promoter. Suitable Group VIII promoters include Ru, Rh, Pd, Os, Ir, and Pt. In another preferred embodiment, M is a combination of a Lanthanide metal and iron with a front-loaded Group VIII promoter.
    • 公开了一种可用于通过氧化脱氢(ODH)从烷烃生产烯烃的催化剂。 根据本发明的优选实施方案,用于ODH方法的催化剂包括MCrAlY载体。 M优选为贱金属或贱金属的组合。 本文将贱金属定义为非Ⅷ族金属,铁,钴和镍除外。 合适的贱金属包括IB-VIIB族金属,IIIA-VA族金属,镧系金属,铁,钴和镍。 在优选的实施方案中,M是铁。 另外,催化剂可任选地包括VIII族促进剂。 合适的VIII族促进剂包括Ru,Rh,Pd,Os,Ir和Pt。 在另一个优选的实施方案中,M是镧系金属和铁与前负载的VIII族促进剂的组合。
    • 9. 发明授权
    • MCrAlY supported catalysts for oxidative dehydrogenation of alkanes
    • MCrAlY负载催化剂用于烷烃的氧化脱氢
    • US06831204B2
    • 2004-12-14
    • US10269174
    • 2002-10-11
    • Zhen ChenSriram RamaniLisa M. CarmichaelJoe D. Allison
    • Zhen ChenSriram RamaniLisa M. CarmichaelJoe D. Allison
    • C07C5327
    • C07C5/48C07C2523/76C07C2523/89C07C11/02
    • A new family of oxidative dehydrogenation catalysts having MCrAlY supports can be used in the production of olefins. Olefins are produced by heating a feed stream comprising at least an alkane and an oxidant to a temperature between 25° C. and 800° C.; contacting the feed stream with a catalyst comprising an MCrAlY structure and, optionally, a Group VIII promoter metal coating, wherein M is a base metal, or combination of base metals; and maintaining a contact time of the alkane with the catalyst of less than 200 milliseconds under conditions sufficient to achieve oxidative dehydrogenation of the alkane. M may comprise a metal selected from the group consisting of Group IB-VIIB metals, Group IIIA-VA metals, lanthanide metals, iron, cobalt, nickel, and combinations thereof. More particularly, M may comprise a metal selected from the group consisting Tb, Sm, Pr, Fe, Ni, Co, and combinations thereof.
    • 具有MCrAlY载体的新的氧化脱氢催化剂系列可用于烯烃的生产。 通过将包含至少一种烷烃和氧化剂的进料流加热至25℃至800℃之间的温度来生产烯烃; 使进料流与包含MCrAlY结构和任选的VIII族助催化剂金属涂层的催化剂接触,其中M是贱金属或贱金属的组合; 并且在足以实现烷烃的氧化脱氢的条件下,保持烷烃与催化剂的接触时间小于200毫秒。 M可以包含选自IB-VIIB族金属,IIIA-VA族金属,镧系金属,铁,钴,镍及其组合的金属。 更具体地,M可以包含选自Tb,Sm,Pr,Fe,Ni,Co及其组合的金属。