Experimental validation of the hybrid membrane/PSA principle for gas separation

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The operating pressure of the PSA unit was used as the driving force for permeation, which assists the pressurization and high-pressure adsorption steps of the pressure swing adsorption process. To fully explore the synergy between both units for a wide range of separation scenarios, two cases were considered, i.e., H2/CH4 separation and CO2/N2 and CH4/CO2 separations. Adsorption equilibrium measurements of N2, CO2, and CH4 were performed on a coal-based, high activity, extruded carbon. The inclusion of a membrane module into a periodic PSA process, by a truly synergistically scheme, was an innovative method to improve separation performance of several gas systems when compared with the more common stand-alone units. This is an abstract of a paper presented at the 2006 AIChE National Meeting (San Francisco, CA 11/12-17/2006).

Original languageEnglish
Title of host publication2006 AIChE Annual Meeting
Publication statusPublished - 2006
Event2006 AIChE Annual Meeting - San Francisco, CA, United States
Duration: 12 Nov 200617 Nov 2006


Conference2006 AIChE Annual Meeting
Country/TerritoryUnited States
CitySan Francisco, CA


  • Gas separation
  • Membrane
  • Pressure swing adsorption (PSA)


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