Improvement in deuterium recovery from water–isotope mixture by thermal diffusion in the device of branch columns |
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Affiliation: | 1. ITER Organization, Route de Vinon sur Verdon, 13115 Saint Paul-lez-Durance, France;2. D.V. Efremov Scientific Research Institute, 196641 St. Petersburg, Russia |
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Abstract: | Deuterium recovery from water–isotopes mixture using thermal diffusion can be improved by employing the branch column device, instead of single column devices, with the same total column length. The remixing effect due to convection currents in a thermal diffusion column for heavy water enrichment is thus reduced and separation improvement increases when the flow rate or the total column length increases. The improvement in separation can reach about 50% for the numerical example given. |
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Keywords: | Deuterium recovery Water–isotopes mixture Thermal diffusion Branch columns Improved performance |
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