Low pressure distillation technology of molten salt in spent fuel pyroprocessing field

Haiying FU; Junxia GENG; Yang YANG; Yan LUO; Qiang DOU; Wenxin LI; Qingnuan LI

doi:10.11889/j.0253-3219.2018.hjs.41.040001

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Low pressure distillation technology of molten salt in spent fuel pyroprocessing field

REVIEW ARTICLE | 更新时间：2021-05-19

- Low pressure distillation technology of molten salt in spent fuel pyroprocessing field
- NUCLEAR TECHNIQUES Vol. 41, Issue 4, Article number: 040001(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.中国科学院钍基熔盐核能系统研究中心上海 201800
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China;National Natural Science Foundation of China;Strategic Priority Research Program of Chinese Academy of Sciences;the Frontier Science Key Program of Chinese Academy of Sciences
- DOI：10.11889/j.0253-3219.2018.hjs.41.040001
  CLC： TL24
- Received：21 November 2017，
  
  Revised：02 January 2018，
  
  Published：10 April 2018
- 稿件说明：
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Haiying FU, Junxia GENG, Yang YANG, et al. Low pressure distillation technology of molten salt in spent fuel pyroprocessing field[J]. Nuclear techniques, 2018, 41(4): 040001
DOI：

Haiying FU, Junxia GENG, Yang YANG, et al. Low pressure distillation technology of molten salt in spent fuel pyroprocessing field[J]. Nuclear techniques, 2018, 41(4): 040001 DOI： 10.11889/j.0253-3219.2018.hjs.41.040001.

摘要

本文扼要介绍了熔盐减压蒸馏技术在美国橡树岭国家实验室用于熔盐反应堆氟化物熔盐回收，以及近年来美、韩、日和法等国用于水堆/快堆乏燃料中熔盐电解阴极产物纯化的概况，分析减压蒸馏技术在这两个领域应用中面临的挑战，提出可能的发展策略。进一步强调指出，蒸馏分离技术需要与放射化学相结合，形成化学反应-蒸馏/减压蒸馏的新模式，以应对钍基熔盐反应堆乏燃料干法后处理的严峻挑战。

Abstract

Low pressure distillation technology can be used to separate components of spent fuel due to their different volatility. This paper introduced the development of molten salt distillation technology briefly. First

the fluoride salts from molten salt experiment reactor (MSRE) were recovered and reused in Oak Ridge National Laboratory (ORNL) of USA. In the last decades

the distillation technology was used to purify the cathode products after the electrochemical treatment of spent fuel from pressure water reactor (PWR) or fast reactor in USA

Japan

Korea

France and so on. Then the challenges of distillation technology in both the salt recovery and cathode products purity were illustrated and development strategies were suggested. It is further pointed out that distillation separation combined with chemistry reaction may cope with the grave challenges of spent fuel pyroprocessing for thorium molten salt reactor (TMSR).

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Keywords

references

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