| H2,CO,N2,O2和CH4在碳膜中的扩散 |
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| 引用本文： | 吴志强,刘志平,汪文川,范益群,徐南平.H2,CO,N2,O2和CH4在碳膜中的扩散[J].中国化学工程学报,2008,16(5). |
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| 作者姓名： | 吴志强 刘志平 汪文川 范益群 徐南平 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)，国家自然科学基金 |
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| 摘 要： |
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Diffosion of H2,CO,N2,O2 and CH4 Through Nanoporous Carbon Membranes |
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| WU Zhiqiang,LIU Zhiping,WANG Wenchuan,FAN Yiqun,XU Nanping.Diffosion of H2,CO,N2,O2 and CH4 Through Nanoporous Carbon Membranes[J].Chinese Journal of Chemical Engineering,2008,16(5). |
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| Authors: | WU Zhiqiang LIU Zhiping WANG Wenchuan FAN Yiqun XU Nanping |
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| Abstract: | Diffusion of pure H2,CO,N2,O2and CH4 gases through nanoporous carbon membrane is investigated by carrying out non-equilibrium molecular dynamics(NEMD)simulations.The flux,transport diflusivity and acti-vation energy for the pure gases diffusing through carbon membranes with various pore widths were investigated.The simulation results reveal that transport diffusivity increases with temperature and pore width.and its values port diflusivities are comparablc With that of Rao and Sircar(J.Membr.Sci.,1996).indicating the NEMD simula-tion method iS a good toO]for predicting the transport diflusivities for gases in porous materialS.which iS always difficult to be accurately measured by experiments. |
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| Keywords: | non-equilibrium molecular dynamics carbon membrane transport diflusivity flux activation energy |
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