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    題名: Diffusion and reaction in porous solids : a model for two different heterogeneous reactions
    作者: Chang, Yu-chi;GEOFFREY PRENTICE
    貢獻者: 淡江大學化學工程與材料工程學系
    日期: 1987-09
    上傳時間: 2010-03-09 10:15:03 (UTC+8)
    出版者: Taylor & Francis
    摘要: We have developed a model to simulate the concentration distribution of a reacting species within an isothermal, heterogeneous, porous structure. In our model we allow for two different reactions—one at the base of a cylindrical pore and another at the pore wall. Concentration distributions have been simulated for Damköhler numbers ranging over several orders of magnitude. Closed-form solutions were obtained for first-order reactions. Concentration variations in the radial direction were calculated from a two-dimensional model; the error involved in using the one-dimensional model was quantified for a representative case. The effect of neglecting the reaction at the base of the pore was calculated for several cases pertaining to high aspect-ratio pores
    關聯: Chemical engineering communications 59(1-6), pp.161-171
    DOI: 10.1080/00986448708911992
    顯示於類別:[化學工程與材料工程學系暨研究所] 期刊論文

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