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    • 8. 发明授权
    • Catalytically inactive heat generator and improved dehydrogenation process
    • 催化惰性热发生器和改进的脱氢工艺
    • US07622623B2
    • 2009-11-24
    • US11218949
    • 2005-09-02
    • Vladimir FridmanJay S. MerriamMichael A. Urbancic
    • Vladimir FridmanJay S. MerriamMichael A. Urbancic
    • C07C2/76C07C2/78C07C5/08C07C11/00C07C5/09C07C5/327B01J23/00B01J20/00
    • B01J23/32B01J23/26B01J23/72B01J35/0006C07C5/322C07C2521/02C07C2521/04C07C2521/08C07C2521/10C07C2521/12C07C2523/02C07C2523/04C07C2523/06C07C2523/26C07C2523/34C07C2523/72C07C2523/889C07C2529/04Y02P20/52Y02P20/584C07C11/06
    • An improved dehydrogenation catalyst bed system for olefin production utilizing classical processing techniques is disclosed. The catalyst bed system comprises a dehydrogenation catalyst comprising an active component selected from an oxide of a metal of Group 4 or Group 5 or Group 6 and combinations thereof and a support selected from aluminum oxide, aluminas, alumina monohydrate, alumina trihydrate, alumina-silica, transition aluminas, alpha-alumina, silica, silicate, aluminates, calcined hydrotalcites, zeolites and combinations thereof mixed with a first inert material selected from any material that is catalytically inactive when subjected to reaction conditions that can effect dehydrogenation of olefins and that has a high density and high heat capacity and that is not capable of producing heat during any stage of the dehydrogenation process, and the dehydrogenation catalyst plus the first inert material then being physically mixed with a secondary component comprising a heat-generating inert material and a carrier capable of supporting the heat-generating inert material, wherein the secondary component is catalytically inert with respect to dehydrogenation reactions or to cracking or to coking and generates heat after being exposed to reducing and/or to oxidizing reaction conditions.
    • 公开了一种利用经典处理技术改进用于烯烃生产的脱氢催化剂床系统。 催化剂床系统包括脱氢催化剂,其包含选自第4组或第5组或第6组金属的氧化物及其组合的活性组分和选自氧化铝,氧化铝,一水合氧化铝,三水合氧化铝,氧化铝 - 二氧化硅 ,过渡氧化铝,α-氧化铝,二氧化硅,硅酸盐,铝酸盐,煅烧水滑石,沸石及其混合物与第一惰性材料混合,所述第一惰性材料选自任何可能影响烯烃脱氢反应条件的催化无活性物质, 高密度和高热容量,并且在脱氢过程的任何阶段都不能产生热量,然后脱氢催化剂加第一惰性材料与包含发热惰性材料和载体的次级组分物理混合 支撑发热惰性材料,其中次要组分 相对于脱氢反应是催化惰性的,或者在暴露于还原和/或氧化反应条件之后开裂或焦化并产生热量。