在液体BiBi中基于密度的Ce和Hf间金属分离的可行性
Galam Seo1, Hye-Won Shin2, Jaeyeong Park1
1Department of Nuclear Engineering, Ulsan National Institute of Science and Technology, [44919] 50 UNIST-gil, Ulju-gun, Ulsan, Republic of Korea.
Chemosphere
|July 18, 2024
概括
基于密度的分离使用液态木提供了一种有前途的方法,用于分离核废物中的酸盐和酸盐. 这种方法利用金属间的形成和密度差异来实现有效的废物管理.
科学领域:
- 核化学 核化学 核化学
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 废核燃料的再加工会产生含有高丹酸盐的废盐,使丁酸分离复杂化.
- 传统的电化学技术由于其相似的特性,难以将活性化物与化物分开,导致共同沉积.
- 有效的分离对于减少放射性危害和核废物的储存时间至关重要.
研究的目的:
- 探索基于密度的分离的可行性,用于使用液态斯木和金属间物质的行为化物和兰坦化物.
- 调查与哈夫 (作为一种行为代用物) 和 (作为一种化代用物) 间金属的形成和分布.
- 评估该方法在改善核废物管理方面的潜力.
主要方法:
- 使用哈夫 (Hf) 作为动化元素的替代物和 (Ce) 作为化元素的替代物.
- 在各种条件下研究了珠金属间 (Bi-Hf和Bi-Ce) 的形成和空间分布.
- 采用扫描电子显微镜 (SEM) 和能量分散谱法 (EDS) 进行全面的表征.
主要成果:
- 观察到- (Bi-Ce) 颗粒在金块的上层形成和分布.
- 在下层中发现了含有和的石--哈夫 (Bi-(Ce,Hf)) 颗粒.
- 该研究表明,基于金属间组成和密度的空间分离是明显的.
结论:
- 基于密度的分离使用液态木是一种切实可行的策略,用于在核废物中将活性化物与化物分离.
- 金属间的形成和沉在实现分离方面发挥着至关重要的作用.
- 需要进一步的研究来优化该过程,并解决与金属间共降相关的挑战,以便在实践中应用.
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