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題 名 | Reactions Between Two Solid Grains Gaseous Intermediates Catalytic Effect and Effect of Grain Shape Adsorption Equilibrium Constant and Grain Size Distribution=兩種固體粒子間經由氣體中間物的化學反應--催化效應,粒子形狀,反應速率,形態和粒子大小分佈之影響 |
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作 者 | Lin,Chun-I; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷 期 | 9:1 1978.06[民67.06] |
頁 次 | 頁9-22 |
關鍵詞 | 大小分佈; 中間物; 之; 化學反應; 反應速率; 形態; 固體粒子; 氣體; 粒子; 粒子形狀; 催化效應; 影響; |
語 文 | 英文(English) |
英文摘要 | Based on grain model, discussions were made on the catalytic effects and the effects of grain shape and adsorption equilibrium constant of the system of reactions between two solid grains through gaseous intermediates where diffusion effects are absent. The reaction is thought as a net result of two coupled gas-solid reactions. The Langmüir-Hinshelwood type of kinetic expression which covers a wide range of domain with first-order and zeroth-order kinetics as two extremes has been incorporated into formulation. A formulation for the more realistic system was proposed in which grain size distribution has been taken into account. The effects of Gates-Gaudin-Schuhman grain size distribution and log-normal grain size distribution on the conversions were examined. It was found that the conversions of the case when both solid grains have same log-normal distributions may be approximated by those of uniform grain size. |
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