Mathematic modeling of the process of production of nanofibrous carbon from methane in an isothermal reactor with a fixed bed of the Ni-Al2O3 catalyst

被引：0
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作者：
Zavarukhin, Sergei G. [1 ]
Kuvshinov, Gennady G. [2 ]
机构：
[1] Boreskov Institute of Catalysis, Pr. Akad. Lavrentieva, Novosibirsk, 630090, Russia
[2] Novosibirsk State Technical University, Pr. K. Marx, 20, Novosibirsk 630092, Russia
来源：
Chemical Engineering Journal | 2006年 / 120卷 / 03期
关键词：
The process of synthesis of nanofibrous carbon from methane achieved in an isothermal plug flow reactor with a fixed bed of catalyst 90 wt.% Ni-Al2O3 is considered. It is shown that the equations allow a solution in the form of a progressive wave of deactivation that moves at a constant rate and has a stationary profile. Analytic dependencies are obtained to calculate the wave rate and carbon content in the deactivated catalyst. The process parameters are calculated at 823 K and specific methane consumption 120 l/h g. The process parameters are compared for two types of reactors operating at identical conditions: a plug flow reactor with the fixed catalyst bed and a reactor with perfect mixing of catalyst particles and gas. The specific carbon yield is shown to be higher in the latter. © 2006 Elsevier B.V. All rights reserved;
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页码：139 / 147
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