| Modeling of a SrCe_(0.95)Yb_(0.05)O_3-αHollow Fibre Membrane Reactor for Methane Coupling |
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| 引用本文： | 谭小耀,杨乃涛,K.Li.Modeling of a SrCe_(0.95)Yb_(0.05)O_3-αHollow Fibre Membrane Reactor for Methane Coupling[J].中国化学工程学报,2003(3). |
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| 作者姓名： | 谭小耀 杨乃涛 K.Li |
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| 作者单位： | Fuel Cell Research Center，Shandong University of Technology，Zibo 255012，China，Fuel Cell Research Center，Shandong University of Technology，Zibo 255012，China，Department of Chemical Engineering，University of Bath，Claverton Down，Bath，BA2 7AY，U.K. |
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| 基金项目： | Supported by the National Natural Science Foundation of China(No.20076025). |
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| 摘 要： | Proton-hole mixed conductor, SrCeo.95Yb0.05O3-α(SCYb), has the potential to be used as a membrane for dehydrogenation reactions such as methane coupling due to its high C2-selectivity and its simplicity for fabricating reactor systems. In addition, the mixed conducting membrane in the hollow fibre geometry is capable of providing high surface area per unit volume. In this study, mechanism of methane coupling reaction on the SCYb membrane was proposed and the kinetic parameters were obtained by regression of experimental data. A mathematical model describing the methane coupling in the SCYb hollow fibre membrane reactor was also developed. With this mathematical model, various operating conditions such as the operation mode, operation pressure and feed concentrations affecting performance of the reactor were investigated. The simulation results show that the cocurrent flow in the reactor exhibits higher conversion of methane and higher yield of ethylene compared to the countercurrent flow. In order to a
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