Research on the performance of gas separation membrane materials in separating xenon from air |
Authors: CHEN Zhanying1, LIU Shujiang1, CHANG Yinzhong1, SHENG Yuqiang1, WANG Jianlong2, HEI Dongwei3 |
Units: 1. CTBT Beijing National Data Centre and Radionuclide Laboratory, Beijing 100085, China; 2. Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China; 3. Northwest Institute of Nuclear Technology, Xi’an 710024, China |
KeyWords: gas separation membrane; radioxenon; permeation performance; separation performance |
ClassificationCode:O484.3 |
year,volume(issue):pagination: 2025,45(1):137-145 |
Abstract: |
Atmospheric radioxenon monitoring is of great significance for nuclear test ban verification. Taking the separation and concentration of xenon from air as the application background, this paper tested the permeabilities of N2, O2, CO2 and Xe in various membrane materials, and the separation performances for the gases were compared. The effects of temperature and pressure on the gases permeation and separation were investigated. The results show that among the three types of materials, namely polyimide (PI), polyphenylene ether (PPO) and polysulfone (PSf), PI has a significantly better xenon separation performance than the other two types of materials; the influences of temperature and pressure changes on the xenon separation performance are both not obvious. The above research work is of great significance for the practical application of gas separation membranes in separating xenon from air. |
Funds: |
国家自然科学基金项目(1220051626) |
AuthorIntro: |
陈占营(1977-),男,河南确山人,研究员,博士,研究方向为禁核试放射性核素核查技术. |
Reference: |
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