Leaching of 226Ra from components of uranium mill tailings
Hydrometallurgy
By: E. R. Landa
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Abstract
A sequential extraction procedure was used to characterize the geochemical forms of 226Ra retained by mixtures of quartz sand and a variety of fine-grained rock and mineral species. These mixtures had previously been exposed to the sulfuric acid milling liquor of a simulated acid-leach uranium milling circuit. For most test cases, the major fraction of the 226Ra was extracted with 1 mol/1 NH4Cl and was deemed to be exchangeable. However, 226Ra retained by the barite-containing mixture was resistant to both 1 mol/1 NH4Cl and 1 mol/HCHCl extraction.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Leaching of 226Ra from components of uranium mill tailings |
| Series title | Hydrometallurgy |
| DOI | 10.1016/0304-386X(91)90010-J |
| Volume | 26 |
| Issue | 3 |
| Year Published | 1991 |
| Language | English |
| Publisher | Elsevier |
| Description | 8 p. |
| First page | 361 |
| Last page | 368 |