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تحقیق و طراحی مهندسی شیمی
جزئیات رویداد
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  • non-ideal flow in an annular photocatalytic reactor

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    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 779
    • تعداد پرسش و پاسخ ها: 0
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     this study deals with the modelling of non-ideal flow in a tubular photocatalytic reactor with thin layer of tio2photocatalyst. the objective was to analyse different level of mixing in the photoreactor applying basic principles of chemical reaction engineering. for this purpose photocatalytic oxidation of toluene was used as the model reaction. photocatalytic reactor was operated in two different flow modes: classic type of an annular reactor with basically ideal (plug) flow with some extent of dispersion and annular flow reactor acted as stirred tank reactor with mixing of reaction mixture accomplished by recirculation. a series of experiments with step input disturbance at the entrance of the reactor with different air flow was performed in order to achieve better understanding of the reactor hydrodynamics. several reactor models are applied, such as one dimensional model of tubular reactor at the steady state conditions, axial dispersion model at non-stationary conditions and the model of the continuous non-stationary stirred tank reactor. numerical methods necessary for solving model equations and parameter estimation were described.

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