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首页> 外文期刊>Journal of industrial and engineering chemistry >Studies on product distribution of nanostructured iron catalyst in Fischer-Tropsch synthesis: Effect of catalyst particle size
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Studies on product distribution of nanostructured iron catalyst in Fischer-Tropsch synthesis: Effect of catalyst particle size

机译：费-托合成中纳米结构铁催化剂的产物分布研究：催化剂粒径的影响

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摘要

The dependencies of hydrocarbon product distributions of Fischer-Tropsch synthesis by iron catalysts on catalysts particle size are studied. The concept of two superimposed Anderson-Schulz-Flory distributions applied for represent size dependency of product distributions. A series of catalysts with different particle size are prepared by microemulsion method. It is found that the carbon number of produced hydrocarbon decreased with decreasing the catalyst particle size. These results indicate the H2 concentration on catalyst surface decreased by increasing the catalyst particle size. Thus the concentration of monomers that exhibited higher degree of hydrogenation (like CH2 species) on the surface of catalyst increased with decreasing the catalyst particle size.
机译：研究了铁催化剂费-托合成的烃产物分布对催化剂粒径的依赖性。两个叠加的Anderson-Schulz-Flory分布的概念适用于表示产品分布的尺寸依赖性。通过微乳液法制备了一系列粒径不同的催化剂。发现随着催化剂粒径的减小，产生的烃的碳原子数降低。这些结果表明，通过增加催化剂的粒度，催化剂表面的氢气浓度降低了。因此，随着催化剂粒度的减小，在催化剂表面上表现出较高氢化度的单体（如CH 2种类）的浓度增加。

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