| DIFFUSION AND REACTION OF BENZENE HYDROGENATION OVER POROUS Ni/γ-Al_2O_3 CATALYST |
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| 引用本文： | 葛庆峰,李绍芬,廖晖.DIFFUSION AND REACTION OF BENZENE HYDROGENATION OVER POROUS Ni/γ-Al_2O_3 CATALYST[J].中国化学工程学报,1993,1(4):213-222. |
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| 作者姓名： | 葛庆峰 李绍芬 廖晖 |
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| 作者单位： | Ge Qingfeng Li Shaofen and Liao Hui
Department of Chemical Engineering，Tianjin University，Tianjin 300072，China |
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| 基金项目： | Supported by the National Natural Science Foundation of China |
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| 摘 要： | The macro-kinetics of benzene hydrogenation over porous Ni/γ-Al_2O_3 catalyst was measured with asingle-pellet diffusion reactor.Based on the dusty-gas model,the differential equations by taking into account ofthe variation of effective diffusivities with the composition were derived to describe the diffusion and reactionprocesses of reacting species over porous catalyst.Using the tortuosity factors determined under the condition ofsteady physical diffusion,the global reaction rates were calculated by solving the equations,and the results are ingood agreement with the experimental data obtained.
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| 关 键 词： | diffusion-reaction kinetics benzene hydrogenation multicomponent diffusion |
| 收稿时间： | 1992-5-4 |
| 修稿时间： | 1992-10-29
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