Nitrogen Rejection from Natural Gas


November 1, 2019

Nitrogen rejection from natural gas by dual reflux-pressure swing adsorption using activated carbon and ionic liquidic zeolite

This latest research paper finds that:

  • Nitrogen rejection from natural gas by DR PSA was numerically studied.
  • The separation performance of two different adsorbents were compared and optimized.
  • An 85% CH4 + 15% N2 feed was upgraded to 93% CH4 with 99% CH4 recovery.
  • The energy requirements were estimated using a polytropic compression model.
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