• a comparison of homogeneous and heterogeneous dynamic models for industrial catalytic reactors in the face of catalyst deactivation

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
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    • تعداد پرسش و پاسخ ها: 0
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     simulations of a fixed-bed industrial methanol reactor have been studied in the presence of long term catalyst deactivation. the performance of the reactor was investigated using two different dynamic models: (a) a homogeneous model, and (b) a heterogeneous model. both the models were found to predict the identical results at industrial operating conditions. the models have been verified against daily observed process data of a methanol plant for four years of operation and good agreement was found. by analyzing the results of the homogeneous model, it was shown that there is a non-uniform catalyst deactivation along the reactor. simple model, of the type presented here, represents a useful beginning in the optimization and control of reactor for methanol synthesis, since it is capable of describing many of the qualitative trends observed with such reactors.

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