2002•Journal of Nuclear Science and TechnologyOpen access

A Hot Test for Separating Americium from Fission Product Lanthanides by Purified Cyanex 301 Extraction in Centrifugal Contactors

Jing Chen, Guoxin Tian, Rongzhou Jiao, Yongjun Zhu

Abstract

ABSTACT: The purified Cyanex 301 has been proven to be able to separate Am from both tracer amount and macro amount of lanthanides in our previous work. In the present work, a countercurrent hot test of the separation of americium from fission product lanthanides (FPLns) by purified Cyanex 301 was carried out in miniature centrifugal contactors. The feed solution is an Am/Ln fraction originated from a HLW hot partitioning process. With 4 extraction stages and 3 scrubbing stages, 99.93% Am was extracted and the co-extracted FPLns was about 1%.

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Key concepts: Americium, Nuclear fission product, Data scrubbing, Lanthanide, Fission products, Countercurrent exchange, Extraction (chemistry), Chemistry