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Effects of preparation variables on an alumina-supported FeCuK Fischer-Tropsch catalyst

机译:制备变量对氧化铝支持的Fecuk Fischer-Tropsch催化剂的影响

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摘要

This paper investigates the effects of various, carefully-chosen preparation methods on the performance of Fischer-Tropsch (FT) alumina-supported iron/copper/potassium (FeCuK/Al2O3) catalysts. Two tested preparation methods (co-impregnation and non-aqueous slurry impregnation) yielded supported Fe catalysts with better catalyst performance than previously thought possible. These two supported iron catalysts have high reaction rates (114-154 mmol (CO + H-2) g(cat)(-1) MPa-1 h(-1)), good productivity (0.26-0.29 g(HC) g(cat)(-1) h(-1)), and reasonable stability. In fact, both catalysts are more active than any supported Fe catalyst reported outside our group and compare favorably with unsupported catalysts. Superior activity, coupled with the high strength of a supported catalyst, make these catalysts excellent candidates for use in slurry bubble column reactor (SBCR) applications.
机译:本文研究了各种精心选择的制备方法对Fischer-Tropsch(FT)氧化铝支持的铁/铜/钾(FECUK/AL2O3)催化剂的作用。 两种经过测试的制备方法(共重染和非水浆浸渍)产生了比以前认为的更好的催化剂性能的支持的FE催化剂。 这两个受支持的铁催化剂具有较高的反应速率(114-154 mmol(CO + H-2)G(CAT)(-1)MPA-1 H(-1)),良好的生产率(0.26-0.29 g(HC)G(HC)G (CAT)(-1)H(-1))和合理的稳定性。 实际上,这两种催化剂都比我们组以外报道的任何支持的FE催化剂都更活跃,并且与无支撑的催化剂相比。 优质的活性,再加上受支持的催化剂的高强度,使这些催化剂使得出色的候选物用于浆液气泡柱反应器(SBCR)应用。

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