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Method of removing phosphorus impurities from yellowcake
T102906 Method of removing phosphorus impurities from yellowcake
Patent Drawings:

Inventor: Brown, et al.
Date Issued: April 5, 1983
Application: 06/210,063
Filed: November 24, 1980
Inventors: Brown; Richard A. (Trenton, NJ)
Winkley; Donald C. (Corpus Christi, TX)
Primary Examiner:
Assistant Examiner:
Attorney Or Agent:
U.S. Class: 423/16
Field Of Search:
International Class:
U.S Patent Documents:
Foreign Patent Documents:
Other References:

Abstract: Phosphorus impurities are removed from yellowcake by dissolving it in hydrochloric or sulfuric acid to a U.sub.3 O.sub.8 assay of at least 150 g/l at a pH of 2; precipitating uranium peroxide with hydrogen peroxide while keeping the pH between 2.2 and 2.6 and recovering the uranium peroxide from the phosphorus impurities remaining in solution.
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