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1.上海交通大学机械与动力工程学院 上海 200240
2. 上海交通大学碳中和发展研究院 上海 200030
巨永林,男,教授,上海交通大学低温与制冷工程研究所,021-34206532,E-mail:yju@sjtu.edu.cn。研究方向:小型低温制冷机,工业气体液化,低温精馏。
修回:2025-05-19,
录用:2025-05-28,
网络出版:2025-12-17,
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王诗博,殷靓,巨永林.基于微通道精馏技术的136Xe同位素级联工艺流程模拟及分析[J].制冷学报,
Wang Shibo,Yin Liang,Ju Yonglin.Simulation and Analysis of the Cascade Process for 136Xe Isotope Separation Based on Microchannel Distillation Technology[J].Journal of Refrigeration,
王诗博,殷靓,巨永林.基于微通道精馏技术的136Xe同位素级联工艺流程模拟及分析[J].制冷学报, DOI:10.12465/issn.0253-4339.20250410001.
Wang Shibo,Yin Liang,Ju Yonglin.Simulation and Analysis of the Cascade Process for 136Xe Isotope Separation Based on Microchannel Distillation Technology[J].Journal of Refrigeration, DOI:10.12465/issn.0253-4339.20250410001.
传统精馏方法在氙同位素分离中面临诸多挑战。本研究提出基于微通道精馏(MCD)装置的
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Xe同位素级联精馏系统。首先,精确计算氙同位素的相对挥发度,推导9种同位素的饱和蒸气压和汽化热,并在Aspen HYSYS中构建并验证虚拟组分模型。然后,采用3组分模型分析MCD装置的操作参数,确定单级MCD装置的最佳操作压力和回流比,探讨进料与出料比对
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Xe富集效率和再沸器功率的影响。最后,建立级联精馏模型,运用均匀设计、2次多项式回归、NSGA-Ⅲ算法和TOPSIS方法优化操作参数,实现系统功率显著降低,
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Xe丰度由8.670%升至13.347%。该研究通过设计微通道级联精馏系统,有效改善了传统精馏方法在氙同位素分离中的低效和高能耗问题,为
136
Xe的高效富集提供了新思路。
Conventional distillation methods face significant challenges in xenon isotope separation. This paper proposes a cascaded distillation system based on a microchannel distillation (MCD) apparatus for
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Xe enrichment. The relative volatilities, saturation vapor pressures, and enthalpies of vaporization of the nine Xe isotopes were determined, and a corresponding pseudo-component model was validated in Aspen Hyprotech Systems (HYSYS). A ternary model was then used to optimize the MCD parameters, identifying the optimal operating pressure, reflux ratio, and feed-to-product ratio effects on enrichment efficiency and reboiler power consumption. Subsequent optimization
via uniform design, stepwise quadratic regression,
n
on-
d
ominated
s
orting
g
enetic
a
lgorithm (NSGA)-III, and the technique for order preference by similarity to an ideal solution (TOPSIS) reduced power consumption while increasing
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Xe abundance from 8.670% to 13.347%. This microchannel cascaded distillation system overcomes conventional limitations and offers a novel and efficient approach for
136
Xe enrichment with significant theoretical and practical implications.
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吉永喆 , 巨永林 , 李虎林 . 同位素 13 C分离二塔级联模拟研究 [J]. 同位素 , 2016 , 29 ( 2 ): 103 - 107 .
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