Estimation of deuterium recoveries from each component of water-isotope mixture in continuous-flow thermal diffusion columns

doi:10.1016/j.jcice.2007.12.001

淡江大學機構典藏 > 工學院 > 化學工程與材料工程學系暨研究所 > 期刊論文 > Item 987654321/50486

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题名:	Estimation of deuterium recoveries from each component of water-isotope mixture in continuous-flow thermal diffusion columns
作者:	葉和明;Yeh, Ho-ming
贡献者:	淡江大學化學工程與材料工程學系
关键词:	Deuterium recovery;Thermal diffusion;Water isotopes;Continuous flow
日期:	2008-03-01
上传时间:	2010-08-09 18:18:07 (UTC+8)
出版者:	中國化學工程學會
摘要:	The present study deals with the estimation of deuterium recovery front the separation of water-isotope mixture (H2O-HDD-D2O) by continuous-flow thermal diffusion. First, the equations for predicting the degrees of separation for each component in H2O-HDO-D2O system were derived. The recovery of deuterium (D) was then estimated from the degrees of separation of HDO and D2O. The most important assumption in this work was that the concentrations of each component were at local equilibrium within the thermal diffusion column, i.e. H2O+D2O(The symbol is abbreviated)2HDO. It was found that D2O preferably transfers to the bottom end of the column, while HDO does the same for dilate feed concentration, but then transfers to the top of the column when the feed concentration of D2O, C(subscript 3F), increases to 0.3. The maximum total recovery of deuterium from HDO and D2O occurs at C(subscript 3F)=0.25.
關聯:	中國化學工程學會會誌 = Journal of the Chinese Institute of Chemical Engineers 39(2), pp.181-185
DOI:	10.1016/j.jcice.2007.12.001
显示于类别:	[化學工程與材料工程學系暨研究所] 期刊論文

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