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Modeling of catalytic coke formation in thermal cracking reactors
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DOI：10.1016/j.jaap.2008.02.006.png)
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Abstract
En 中文
At the start-up period, the most important mechanism in the coke production with a clean reactor surface is the catalytic mechanism. The study of this mechanism can be very useful for the better comprehension of the coke production process. In this paper, a model was designed for such a production through the utilization of a catalytic mechanism and a kinetic model, capable of interpreting the catalytic coke production on the reactor surface. For the determination of the model reliability, the experimental data related to the naphtha feed, existing in literature, were used. In addition, the constant parameters of the model, the velocity and the activation energy constants, associated to the kinetic model, were calculated. The results of the developed model were in satisfactory agreement with the experimental data. Eventually, the catalytic coke amount in comparison with the total coke production on the reactor surface and its significance were under investigation. (C) 2008 Elsevier B.V. All rights reserved.
Keywords:
catalytic coke
modeling
kinetic
thermal cracking
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