Analyses of production capacity of 89Sr and 90Sr in the 2 MW molten salt reactor

Chen Wu; Chenggang Yu; Ao Zhang; Chunyan Zou; Yuwen Ma; Jianhui Wu; Xiangzhou Cai; Jingen Chen

doi:10.1016/j.apradiso.2021.109714

Analyses of production capacity of ⁸⁹Sr and ⁹⁰Sr in the 2 MW molten salt reactor

Appl Radiat Isot. 2021 Jul:173:109714. doi: 10.1016/j.apradiso.2021.109714. Epub 2021 Apr 3.

Authors

Chen Wu¹, Chenggang Yu², Ao Zhang¹, Chunyan Zou², Yuwen Ma², Jianhui Wu², Xiangzhou Cai³, Jingen Chen⁴

Affiliations

¹ Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China; CAS Innovative Academies in TMSR Energy System, Chinese Academy of Sciences, Shanghai, 201800, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
² Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China; CAS Innovative Academies in TMSR Energy System, Chinese Academy of Sciences, Shanghai, 201800, China.
³ Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China; CAS Innovative Academies in TMSR Energy System, Chinese Academy of Sciences, Shanghai, 201800, China; University of Chinese Academy of Sciences, Beijing, 100049, China. Electronic address: caixz@sinap.ac.cn.
⁴ Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800, China; CAS Innovative Academies in TMSR Energy System, Chinese Academy of Sciences, Shanghai, 201800, China; University of Chinese Academy of Sciences, Beijing, 100049, China. Electronic address: chenjg@sinap.ac.cn.

PMID: 33892251
DOI: 10.1016/j.apradiso.2021.109714

Abstract

The production capacity of ⁸⁹Sr and ⁹⁰Sr in the 2 MW MSR are evaluated. The gaseous ⁸⁹Kr and ⁹⁰Kr are extracted from the core through the helium bubbling system, and then decay to ⁸⁹Sr and ⁹⁰Sr, respectively. In order to improve purity of ⁸⁹Sr product, two cooling devices are adopted in the ⁸⁹Sr and ⁹⁰Sr production system. The annual yields of ⁸⁹Sr and ⁹⁰Sr are about 9000 Ci and 32 Ci, respectively, and the impurity of ⁸⁹Sr product is less than 2 ppm which can meet the medical requirement.

Keywords: (89)Sr and (90)Sr supply; Molten salt reactor; Radioactivity ratio of (90)Sr /(89)Sr.