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 |
DE3169880(D1) |
申请公布日期 |
1985.05.15 |
申请号 |
DE19813169880 |
申请日期 |
1981.11.13 |
申请人 |
FMC CORPORATION |
发明人 |
BROWN, RICHARD ALEXANDER;WINKLEY, DONALD CHARLES |
分类号 |
C01B15/047;C01G43/01;C22B60/02;(IPC1-7):C01G43/01 |
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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