The performance of solid polymer electrolysis tritium enrichment system

Jiayu LIU; Hua LI; Lailai QIN; Ke DENG; Yuhua MA; Qin ZHANG; Guo YANG; Zhaowei MA; Fei WEI; Miao SHEN; Yuan QIAN; Wei LIU

doi:10.11889/j.0253-3219.2018.hjs.41.040502

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The performance of solid polymer electrolysis tritium enrichment system

NUCLEAR PHYSICS, INTERDISCIPLINARY RESEARCH | 更新时间：2021-05-19

- The performance of solid polymer electrolysis tritium enrichment system
- NUCLEAR TECHNIQUES Vol. 41, Issue 4, Article number: 040502(2018)
- 作者机构：
  
  1.中国科学院上海应用物理研究所嘉定园区上海 201800
  2.中国科学院大学北京 100049
  3.上海科技大学上海 201210
- 作者简介：
- 基金信息：
  
  Strategic Priority Research Program of Chinese Academy of Sciences;National Natural Science Foundation of China;Youth Innovation Promotion Association
- DOI：10.11889/j.0253-3219.2018.hjs.41.040502
  CLC： TL84
- Received：20 November 2017，
  
  Revised：14 February 2018，
  
  Published：10 April 2018
- 稿件说明：
移动端阅览
Jiayu LIU, Hua LI, Lailai QIN, et al. The performance of solid polymer electrolysis tritium enrichment system[J]. Nuclear techniques, 2018, 41(4): 040502
DOI：

Jiayu LIU, Hua LI, Lailai QIN, et al. The performance of solid polymer electrolysis tritium enrichment system[J]. Nuclear techniques, 2018, 41(4): 040502 DOI： 10.11889/j.0253-3219.2018.hjs.41.040502.

摘要

固体聚合物氚电解浓缩法是目前浓缩环境低氚水的主流方法，其性能评价的关键是能否获得较高的氚回收率。在电解体积浓缩倍数为常数时，氚分离系数决定了氚回收率的高低。为了提高氚电解浓缩系统的回收率，研究以分离系数为评价指标，从阴阳极材料、电解电流、电解水温度上优化固体聚合物氚电解浓缩系统。结果表明：在电解初始体积≥400 mL、电解装置电流15 A、电解水温度5℃、电解剩余体积≤25 mL的优化条件下，成功研制氚分离系数6.5以上、回收率≥65%的固体聚合物氚电解浓缩系统。

Abstract

Background

The solid polymer tritium electrolysis enrichment method is the mainstream to concentrate low-level tritium water. Its performance depends on whether it can obtain high tritium recovery. As the volume concentration factor is constant

the tritium separation coefficient determines the value of tritium recovery.

Purpose

This paper aims to enhance the tritium recovery of solid polymer electrolysis tritium enrichment system and improve the performance of tritium enrichment system.

Methods

The separation coefficient was adopted as an index to optimize the solid polymer tritium enrichment system on cathode and anode materials

electrolytic current and electrolysis temperature.

Results

With the initial volume ≥ 400 mL

the current of electrolytic water electrolysis device at 15 A

the temperature at 5℃

electrolysis residual volume ≤ 25 mL

we have been obtained the optimized tritium separation coefficient of 6.5

the tritium concentration system recovery factor ≥ 65%.

Conclusion

The performance of solid polymer electrolysis tritium enrichment system almost achieves international level.

关键词

Keywords

references

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