未来核能发电对国际监测系统的影响
Paul W Eslinger1, Charles G Doll1, Theodore W Bowyer1
1Pacific Northwest National Laboratory, 902 Battelle Blvd., Richland, WA, 99354, USA.
Journal of environmental radioactivity
|January 18, 2024
概括
到2050年,核电的增长可能会增加放射性的检测量. 需要先进的方法来区分工业释放与核爆炸,确保不扩散监测的有效性.
科学领域:
- 核科学与工程 核科学与工程
- 环境监测 环境监测
- 国际安全 国际安全
背景情况:
- 全球对减缓气候变化的核能兴趣日益增加,国际原子能机构 (IAEA) 预计将有显著增长.
- 核电厂释放放射性同位素,这些同位素也是核爆炸试验的指标,这对不扩散监测构成了挑战.
- 全面禁止核试验条约的国际监测系统 (IMS) 依赖于检测这些同位素.
研究的目的:
- 模拟核电预计增长对放射性同位素检测率在IMS中的影响.
- 评估到2050年对关键同位素 (131mXe, 133Xe, 133mXe, 135Xe) 的检测水平的潜在变化.
- 评估对全球核不扩散架构的影响.
主要方法:
- 利用特定放射性同位素 (131mXe, 133Xe, 133mXe, 135Xe) 的日常释放建模.
- 将预计的2050年检测水平与2021年基线数据进行比较.
- 模拟的场景使用40站和80站IMS网络配置.
主要成果:
- 到2050年,133Xe的潜在检测量可能会大幅增加,根据增长情景和网络规模,从2021年的水平增加82%至209%.
- 预计131mXe和133mXe的检测量将是最小的.
- 一个高增长的场景可能会使135Xe检测增加2.5倍,尽管总数仍然很低 (约为1.3万个). 1检测/天网络范围内的).
结论:
- 预计的核电扩建可能会增加放射性信号,可能会给当前的监测系统带来压力.
- 虽然不是健康问题,但更高的检测率需要改进源歧视的自动化方法.
- 在不断变化的能源环境中,加强歧视能力对于保持核不扩散制度的完整性至关重要.
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