Fluid transfer concentration of airborne radioxenon to enhance monitoring capabilities.

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To facilitate airborne radioxenon monitoring, a xenon concentration method with potential advantages over current technology in simplicity, size, and cost has been developed. The concentration technique is based on the preferential absorption of heavy noble gases (krypton, xenon, and radon) by certain organic fluids. To implement this concentration technique, a radioxenon monitoring system requires three integrated sub-systems: (1) an absorption sub-system; (2) a degassing sub-system; and (3) a radiation detection sub-system. This study is focused on the characterization and optimization of the first two sub-systems. Measurements using a small prototype absorption tower have indicated a xenon removal factor of approximately ... continued below

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13 p.

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Russ, W. R. May 27, 1998.

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Description

To facilitate airborne radioxenon monitoring, a xenon concentration method with potential advantages over current technology in simplicity, size, and cost has been developed. The concentration technique is based on the preferential absorption of heavy noble gases (krypton, xenon, and radon) by certain organic fluids. To implement this concentration technique, a radioxenon monitoring system requires three integrated sub-systems: (1) an absorption sub-system; (2) a degassing sub-system; and (3) a radiation detection sub-system. This study is focused on the characterization and optimization of the first two sub-systems. Measurements using a small prototype absorption tower have indicated a xenon removal factor of approximately 50% and the specific concentration at saturation of certain organic fluids to be about 2.5 times the specific concentration in the sampled air. Various techniques for degassing have been investigated, including heating, purging, agitation and vacuum. Ultrasonic agitation of a thin film in a strong vacuum has been shown to be an effective means of degassing the transfer fluid continuously. Various schemes for integrating all of the sub-systems are considered. Combining the small prototype absorption and degassing sub-systems should result in a transfer efficiency of about 33% and a single stage concentration factor of about 6.7.

Physical Description

13 p.

Notes

INIS; OSTI as DE00010818

Medium: P; Size: 13 pages

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  • 1998 Symposium on Radiation Measurements and Applications, Ann Arbor, MI (US), 05/12/1998--05/14/1998

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  • Report No.: ANL/RA/CP-96529
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 10818
  • Archival Resource Key: ark:/67531/metadc622235

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • May 27, 1998

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 7, 2017, 1:07 p.m.

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Russ, W. R. Fluid transfer concentration of airborne radioxenon to enhance monitoring capabilities., article, May 27, 1998; Illinois. (digital.library.unt.edu/ark:/67531/metadc622235/: accessed November 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.