Temperature Measurements to Characterize Dispersion Within PSA Beds

  • Leonard C. Buettner
  • Roy S. Brown
  • David K. Friday
Part of the The Kluwer International Series in Engineering and Computer Science book series (SECS, volume 356)


PSA experiments using a two-bed, laboratory-scale (100 Standard Liters per Minute [SLPM]) system equipped with in-bed temperature and vapor-phase concentration probes were performed using trichlorofluoromethane (R-11) as the feed contaminant and air as the carrier. In-bed, vapor-phase concentrations at each axial position were measured and correlated to the magnitude of the temperature swings during a cycle. PSA experiments were then conducted using a full-scale (5,660 SLPM) system with difluorochloromethane (R-22) and 13X molecular sieve. Fourteen temperature probes were placed within a bed at different radial and axial positions. Using the temperature-concentration correlation, it was possible to construct a visual representation of the dispersion characteristics of the larger beds.


Axial Position Temperature Probe Feed Flow Rate Axial Dispersion Concentration Front 
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Copyright information

© Kluwer Academic Publishers 1996

Authors and Affiliations

  • Leonard C. Buettner
    • 1
  • Roy S. Brown
    • 2
  • David K. Friday
    • 3
  1. 1.Development and Engineering CenterU.S. Army Edgewood ResearchUSA
  2. 2.Guild Associates, Inc.HilliardUSA
  3. 3.Guild Associates, Inc.BaltimorUSA

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