Catalytic reactions at an artificial fractal interface: Simulation with the ‘Devil's Comb’

Pascal Mougin, Michel Pons, Jacques Villermaux
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引用次数: 7

Abstract

We have proposed the model of a 2-D fractal objects exhibiting an important contour length within a finite area. This structure offers a large internal interface can be used as a catalytic support. In the case of a single first-order reaction A → R at the interface, numerical simulations show evidence for a new diffusional regime due to the fractality of the support. In this regime, the rate of formation of product R no longer depends on the kinetic rate constant of the reaction.

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人工分形界面上的催化反应:用“魔鬼梳”模拟
我们提出了在有限区域内具有重要轮廓长度的二维分形物体的模型。这种结构提供了一个大的内部界面,可以用作催化支撑。在单一一级反应a→R的情况下,数值模拟表明,由于支撑的分形,出现了一种新的扩散状态。在这种情况下,产物R的生成速率不再取决于反应的动力学速率常数。
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