Fischer-Tropsch synthesis: effect of CO conversion on CH4 and oxygenate selectivities over precipitated Fe-K catalysts

Wenping Ma,Wilson D. Shafer,Gary Jacobs,Jia Yang,Dennis E. Sparks,Hussein H. Hamdeh,Burtron H. Davis

Applied Catalysis A: General（2018）

引用 9|浏览14

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摘要

•CH4 selectivity displayed an asymmetric “V” trend with CO conversion.•Adding K (x = 2+) suppressed the CO conversion effect on CH4 formation.•Oxygenate selectivity was <3% and was enhanced for K loadings up to x = 3.•K promoted CO adsorption and inhibited H adsorption.

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关键词

Fischer-Tropsch synthesis,Iron catalysts,CO conversion effect,CH4 selectivity oxygenate selectivity,K promoter

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