Natural gas purification with a DDR zeolite membrane; permeation modelling with maxwell-stefan equations

@inproceedings{Bergh2007NaturalGP,
  title={Natural gas purification with a DDR zeolite membrane; permeation modelling with maxwell-stefan equations},
  author={Johan van den Bergh and Weidong Zhu and Johan C. Groen and Freek Kapteijn and Jacob A. Moulijn and Kenji Yajima and Kunio Nakayama and Toshihiro Tomita and Shuichi Yoshida},
  year={2007}
}
Abstract The permeation of CO 2 , N 2 and CH 4 and their mixtures through a DDR membrane has been investigated over a wide range of temperatures and pressures. The synthesized DDR membrane exhibits a very high selectivity for CO 2 and a moderate selectivity for N 2 over CH 4 with good permeances. At a total pressure of 101 kPa and temperature of 225 K, the selectivity for CO 2 was found to be over 3000 and 40 for N 2 in a 50/50 feed mixture with CH 4 , both decrease with temperature. The N 2… CONTINUE READING

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