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題名 | Recoveries of Deuterium from the Separation of Water-isotope Mixture in Batch-type Thermal Diffusion Columns under Unsteady-state Operation=非穩態操作下於批式熱擴散塔中自水同位素回收重氫 |
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作者姓名(中文) | 葉和明; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷期 | 38:5/6 2007.09-11[民96.09-11] |
頁次 | 頁495-499 |
分類號 | 460.02 |
關鍵詞 | 非穩態操作; 批式熱擴散塔; 水同位素; 回收; 重氫; Deuterium recovery; Thermal diffusion; Water isotope; Unsteady-state operation; |
語文 | 英文(English) |
中文摘要 | 本文旨在先探討水同位素(H₂O-HDD-D₂O)在批式熱擴散塔中之分離,進而估計HDD與D₂O中回收重氫(D)之量。結果發現:當重水各進料質量濃度分率為0.22時,重氫回收率最大。 |
英文摘要 | Heavy water (D₂O) is the most feasible moderator and coolant in nuclear-fission reactors while deuterium (D) will be the nuclear fulel for thermonuclear fusion in the distant future. The recoveries of deuterium in D₂O and HDO from the separation of water-isotope mixture (H₂O-HDO-D₂O) by thermal diffusion has been estimated. First, the degrees of separation for each component of Water-isotope mixture in thermal diffusion columns were predicted, then the recoveries of deuterium in each component were estimated from the molecule weights. It was found that the maximum recovery of deuterium might be obtained when the feed concentration of D₂O is 0.22 mass fraction. |
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