Patent · US Expired

Process to remove rare earth from IFR electrolyte

US5336450A · kind A · utility

8Cited by
5References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 31, 1992
Grant dateAug 9, 1994
Priority date
Expiry dateDec 31, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W30/50
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The invention is a process for the removal of rare earths from molten chloride electrolyte salts used in the reprocessing of integrated fast reactor fuel (IFR). The process can be used either continuously during normal operation of the electrorefiner or as a batch process. The process consists of first separating the actinide values from the salt before purification by removal of the rare earths. After replacement of the actinides removed in the first step, the now-purified salt electrolyte has the same uranium and plutonium concentration and ratio as when the salt was removed from the electrorefiner.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.