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A process for preparing high surface area iron/cobalt Fischer-Tropsch slurry catalysts

机译:制备高表面积铁/钴费-托浆料催化剂的方法

摘要

Slurried high surface area Fe-Co spinels which are fully reduced/carburized provide exceptionally high activity and selectivity in the conversion of CO/H2 to alpha-olefins. These iron-cobalt catalysts maintain good activity and selectivity under low pressure reaction conditions and comprise unsupported Group IA or IIA metal salt promoted Fe-Co spinels. They exhibit a single phase powder X-ray diffraction pattern isostructural with Fe303 and possess a BET surface area greater than 5 m2/g and an Fe:Co ratio of 4:1 or more.
机译:完全还原/碳化的高比表面积Fe-Co尖晶石在将CO / H 2 转化为α-烯烃方面具有极高的活性和选择性。这些铁-钴催化剂在低压反应条件下保持良好的活性和选择性,并且包含未负载的IA或IIA族金属盐促进的Fe-Co尖晶石。它们表现出与Fe 3 0 3 同构的单相粉末X射线衍射图,且BET表面积大于5 m 2 / g和Fe:Co比为4:1或更高。

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