Isomerization catalysts
    4.
    发明授权
    Isomerization catalysts 有权
    异构化催化剂

    公开(公告)号:US08343885B2

    公开(公告)日:2013-01-01

    申请号:US12974176

    申请日:2010-12-21

    摘要: Extruded isomerization catalysts comprising MgO, a metal silicate clay binder and a stabilizer and methods of forming such isomerization catalysts are disclosed. Also disclosed are isomerization catalysts that exhibit a fresh isomerization rate and an aged isomerization rate that is at least 50% of the fresh isomerization rate. Embodiments of the isomerization catalysts disclosed herein include metal silicate clay binders that include a layered structure and metal silicate. The metal silicate clay binder may be present in an amount in the range from about 5 wt % to about 20 wt %. Exemplary stabilizers include one or more of ZrO2, tetravalent rare earth metal and a trivalent rare earth metal. Stabilizers may be present in an amount up to about 40 wt %. One or more improved properties, such as piece crush strength and isomerization performance, are exhibited by the catalyst article.

    摘要翻译: 公开了包含MgO,金属硅酸盐粘土粘合剂和稳定剂的挤出异构化催化剂以及形成这种异构化催化剂的方法。 还公开了异构化催化剂,其表现出新鲜异构化速率和老化异构化速率,其为新鲜异构化速率的至少50%。 本文公开的异构化催化剂的实施方案包括包含层状结构和金属硅酸盐的金属硅酸盐粘土粘合剂。 金属硅酸盐粘土粘合剂可以以约5重量%至约20重量%的量存在。 示例性稳定剂包括ZrO 2,四价稀土金属和三价稀土金属中的一种或多种。 稳定剂可以以高达约40重量%的量存在。 催化剂制品表现出一种或多种改进的性能,如碎片强度和异构化性能。

    Hybrid autothermal catalytic process for converting alkanes to alkenes and catalysts useful for same
    6.
    发明申请
    Hybrid autothermal catalytic process for converting alkanes to alkenes and catalysts useful for same 审中-公开
    用于将烷烃转化为烯烃的混合自热催化方法和对其有用的催化剂

    公开(公告)号:US20100030004A1

    公开(公告)日:2010-02-04

    申请号:US12459969

    申请日:2009-07-10

    IPC分类号: C07C5/333

    摘要: The present invention relates to a thermally integrated multi-zone process for conversion of alkanes to their corresponding alkenes, involving endothermically converting an alkane to its corresponding alkene by soft oxidant conversion in an endothermic reaction zone, in the presence of a weak oxidant, a suitable catalyst, and heat, to produce an intermediate product gas comprising the corresponding alkene and hydrogen. The weak oxidant may be, for example, carbon dioxide. The hydrogen is then removed from the intermediate product gas by contacting the intermediate product gas, in an exothermic reaction zone, with different second catalyst, and oxygen, to combust the hydrogen and produce a heated product stream comprising the corresponding alkene, water and heat. Heat is recovered from the heated product stream and recycled back to the endothermic reaction zone, while the resulting cooled product stream comprising the corresponding alkene may be subjected to further reaction and/or processing.

    摘要翻译: 本发明涉及一种用于将烷烃转化成其相应烯烃的热集成多区域方法,包括在弱氧化剂存在下,通过在吸热反应区中的软氧化剂转化将烷烃吸附转化成其相应的烯烃,合适的 催化剂和热,以产生包含相应的烯烃和氢气的中间产物气体。 弱氧化剂可以是例如二氧化碳。 然后通过使中间产物气体,在放热反应区中与不同的第二催化剂和氧气接触,将氢气从中间产物气体中除去,以燃烧氢气并产生包含相应的烯烃,水和热的加热产物流。 从加热的产物流中回收热量并再循环回到吸热反应区,而包含相应烯烃的所得冷却产物流可进行进一步的反应和/或处理。

    Isomerization Catalysts
    8.
    发明申请
    Isomerization Catalysts 有权
    异构化催化剂

    公开(公告)号:US20120157294A1

    公开(公告)日:2012-06-21

    申请号:US12974176

    申请日:2010-12-21

    IPC分类号: B01J21/16 B01J37/04

    摘要: Extruded isomerization catalysts comprising MgO, a metal silicate clay binder and a stabilizer and methods of forming such isomerization catalysts are disclosed. Also disclosed are isomerization catalysts that exhibit a fresh isomerization rate and an aged isomerization rate that is at least 50% of the fresh isomerization rate. Embodiments of the isomerization catalysts disclosed herein include metal silicate clay binders that include a layered structure and metal silicate. The metal silicate clay binder may be present in an amount in the range from about 5 wt % to about 20 wt %. Exemplary stabilizers include one or more of ZrO2, tetravalent rare earth metal and a trivalent rare earth metal. Stabilizers may be present in an amount up to about 40 wt %. One or more improved properties, such as piece crush strength and isomerization performance, are exhibited by the catalyst article.

    摘要翻译: 公开了包含MgO,金属硅酸盐粘土粘合剂和稳定剂的挤出异构化催化剂以及形成这种异构化催化剂的方法。 还公开了异构化催化剂,其表现出新鲜异构化速率和老化异构化速率,其为新鲜异构化速率的至少50%。 本文公开的异构化催化剂的实施方案包括包含层状结构和金属硅酸盐的金属硅酸盐粘土粘合剂。 金属硅酸盐粘土粘合剂可以以约5重量%至约20重量%的量存在。 示例性的稳定剂包括一种或多种ZrO 2,四价稀土金属和三价稀土金属。 稳定剂可以以高达约40重量%的量存在。 催化剂制品表现出一种或多种改进的性能,如碎片强度和异构化性能。

    Chromia Alumina Catalysts for Alkane Dehydrogenation
    10.
    发明申请
    Chromia Alumina Catalysts for Alkane Dehydrogenation 有权
    用于烷烃脱氢的铬氧化铝催化剂

    公开(公告)号:US20130072739A1

    公开(公告)日:2013-03-21

    申请号:US13236971

    申请日:2011-09-20

    IPC分类号: C07C5/333 B01J21/12

    摘要: Provided are methods of making dehydrogenation catalyst supports containing bayerite and silica. Silica-stabilized alumina powder, prepared by spray drying of bayerite powder, precipitating silica in a bayerite slurry with an acid, or impregnation or co-extrusion of bayerite with sodium silicate solution was found to be a superior catalyst support precursor. Catalysts prepared with these silica containing support materials have higher hydrothermal stability than current CATOFIN® catalysts. Also provided is a dehydrogenation catalyst comprising Cr2O3, an alkali metal oxide, SiO2 and Al2O3, and methods of using said catalyst to make an olefin and/or dehydrogenate a dehydrogenatable hydrocarbon.

    摘要翻译: 提供了制备含有三羟铝石和二氧化硅的脱氢催化剂载体的方法。 发现通过喷雾干燥三羟铝石粉末,用酸沉淀二氧化硅沉淀二氧化硅,或用硅酸钠浸渍或共挤出三羟铝石制备的二氧化硅稳定的氧化铝粉末是优异的催化剂载体前体。 用这些含二氧化硅的载体材料制备的催化剂比目前的CATOFIN®催化剂具有更高的水热稳定性。 还提供了包含Cr 2 O 3,碱金属氧化物,SiO 2和Al 2 O 3的脱氢催化剂,以及使用所述催化剂制备烯烃和/或脱氢可脱氢烃的方法。