Numerical simulation of elution chromatography for separation of H2-HD- D2 mixtures using a palladium particle bed

Satoshi Fukada

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Abstract

Elution chromatography for hydrogen isotope separation is numerically analyzed under conditions where a H2-HD-D2 mixture is injected into a palladium particle bed followed by an inert gas purge. When an isotopic mixture of a nearly equal atomic molar fraction of protium and deuterium is developed in the bed with an inert gas purge, effluent concentration bands of each hydrogen species exhibit several characteristics different from ones expected from the Gaussian distribution function. The characteristics are a D2 band with the highest peak, a HD band with a moderate peak, and a H2 band drawing a broader or plateau-like curve and having a shoulder around its back end. They are well revealed by the present calculation model. The calculation model is applied to elution chromatography of the six-component hydrogen isotopes using a Pd bed to simulate the isotope separation system of an experimental fusion reactor.

Original languageEnglish
Pages (from-to)2699-2721
Number of pages23
JournalSeparation Science and Technology
Volume34
Issue number14
DOIs
Publication statusPublished - Dec 1 1999

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All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Process Chemistry and Technology
  • Filtration and Separation

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