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聚糠醇基炭膜对氢气/低碳烃分离的研究 被引量:1

Study on Gas Separation between H2 and Light Hydrocarbon by PFA based Carbon Membrane
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摘要 本实验考察了聚糠醇基炭膜对H2与低碳烃类如CH4、C2H4和C3H6分离过程中的分离性能.结果表明:随着气体分子的动力学直径的增大(H2为2.89A,CH4为3.8A,C2H4为3.9A,C3H6为4.5A,1A=10-10),气体的渗透速率逐渐降低,而H2/CH4、H2/C2H4和H2/C3H6的分离系数却逐渐增大,且都远大于Knudsen扩散的理论值.这说明在分离过程中,分子筛分机理在起主要作用,利用此机理可以将H2从低碳烃中分离出来.
出处 《化工进展》 EI CAS CSCD 北大核心 2003年第z1期159-161,共3页 Chemical Industry and Engineering Progress
基金 国家自然科学基金(No.20276008).
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参考文献3

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同被引文献14

  • 1王秀月,王同华,宋成文,曲新春.前驱体分子结构对聚糠醇基碳膜微结构及气体分离性能的影响[J].高等学校化学学报,2007,28(6):1143-1146. 被引量:10
  • 2S M Saufi, A F Ismail. Fabrication of carbon membranes for gas separation-a review[J]. Carbon, 2004,42(2): 241-259.
  • 3E P Favvas, G C Kapantaidakis, J W Nolan, et al. Preparation, characterization and gas permeation properties of carbon hollow fiber membranes based on Matrimid 5218 precursor[J]. Journal of Materials Processing Technology, 2007,186(1-3): 102-110.
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  • 9Michael S Strano, Hans Agarwal, John Pedrick, et aL Templated pyrolytic carbon: the effect of poly(ethylene glycol)molecular weight on the pore size distribution of poly(furfuryl alcohol) -derived carbon[J]. Carbon, 2003,41(13): 2502-2508.
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