A study on naphtha catalytic reforming reactor simulation and analysis.

School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang 111003, China.
Journal of Zhejiang University SCIENCE B (Impact Factor: 1.11). 07/2005; 6(6):590-6. DOI: 10.1631/jzus.2005.B0590
Source: PubMed

ABSTRACT A naphtha catalytic reforming unit with four reactors in series is analyzed. A physical model is proposed to describe the catalytic reforming radial flow reactor. Kinetics and thermodynamics equations are selected to describe the naphtha catalytic reforming reactions characteristics based on idealizing the complex naphtha mixture by representing the paraffin, naphthene, and aromatic groups by single compounds. The simulation results based above models agree very well with actual operation unit data.

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    ABSTRACT: One of the most important processes in oil refineries is catalytic reforming unit in which high octane gasoline is produced. The catalytic reforming unit by using Hysys-refinery software was simulated. The results are validated by operating data, which is taken from the Esfahan oil refinery catalytic reforming unit. Usually, in oil refineries, flow instability in composition of feedstock can affect the product quality. The attention of this paper was focused on changes of the final product flow rate and product's octane number with respect to the changes in the feedstock composition. Also, the effects of temperature and pressure on the mentioned parameters was evaluated. Furthermore, in this study, Smith kinetic model was evaluated. The accuracy of this model was compared with the actual data and Hysys-refinery's results. The results showed that if the feed stream of catalytic reforming unit supplied with the Heavy Isomax Naphtha can be increased, more than 20% of the current value, the flow rate and octane number of the final product will be increased. Also, we found that the variations of temperature and pressure, under operating condition of the reactors of this unit, has no effect on octane number and final product flow rate.
    Petroleum & Coal. 01/2012; 54:76-84.


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