淡江大學機構典藏:Item 987654321/44280
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    題名: Theoretical and Experimental Studies on the Heavy Water Enrichment by Thermal Diffusion for Improved Performance Under Countercurrent-Flow Frazier Scheme and Flow-Rate Fraction Variations
    作者: Ho, Chii-dong;Su, Yu-cheng;Guo, Jia-jan;Chen, Sheng-hung
    貢獻者: 淡江大學化學工程與材料工程學系
    關鍵詞: Thermal diffusion;Heavy water;Separation efficiency;Frazier scheme;Countercurrent flow
    日期: 2004-03-01
    上傳時間: 2010-03-09 10:08:01 (UTC+8)
    出版者: Taylor & Francis Inc.
    摘要: The separation equation for heavy water enrichment by thermal diffusion in countercurrent‐flow Frazier schemes has been derived and the average value of concentration‐product term was treated separately in the enriching and stripping sections. The effect of the flow‐rate fraction variation of a countercurrent‐flow device on separation efficiencies for a H2O–HDO–D2O system, has also been investigated theoretically and experimentally. A qualitative agreement is achieved between the analytical predictions and experimental results. The analytical predictions are represented graphically and are compared with that in a classical Frazier scheme of the concurrent‐flow device. Considerable improvement in the device performance is obtained by using a countercurrent‐flow Frazier scheme with flow‐rate fraction variations, instead of using a concurrent‐flow device.
    關聯: Separation science and technology 39(10), pp.2299-2322
    DOI: 10.1081/SS-120039348
    顯示於類別:[化學工程與材料工程學系暨研究所] 期刊論文

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