发明名称 |
METHOD OF REMOVING PHOSPHORUS IMPURITIES FROM YELLOWCAKE |
摘要 |
Phosphorus impurities are removed from yellowcake by dissolving it in hydrochloric or sulfuric acid to a U3O8 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. |
申请公布号 |
ZA8108165(B) |
申请公布日期 |
1983.01.26 |
申请号 |
ZA19810008165 |
申请日期 |
1981.11.24 |
申请人 |
FMC CORP |
发明人 |
BROWN RICHARD ALEXANDER;WINKLEY DONALD CHARLES |
分类号 |
C01B15/047;C01G43/01;C22B60/02 |
主分类号 |
C01B15/047 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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