Absorption of Radium and Thorium from Wyoming and Utah Uranium Mill Tailings Solutions.
Beard-HR; Nichols-IL; Seidel-DC
NTIS: PB 80-122740 :15 pages
The federal Bureau of Mines investigated the absorption of radium and thorium from waste uranium leach liquor by clays and other materials. This work was conducted in support of the Bureau's goal of minimizing the environmental conflicts, impacts, and occupational hazards associated with mining and mineral processing operations. Tailings and soil samples from Wyoming and Utah were contacted with tailings liquors to determine the degree of absorption. Absorption ranged from 0 to 99 percent for radium and from 0 to 31 percent for thorium. Some samples, which readily absorbed radium, were contacted with various salt solutions that could be present in tailings solutions to determine their effectiveness as desorbents. The desorption of radium ranged from 0.06 to 100 percent. An alpha- spectrometric method was used to determine the radium and thorium concentrations in the solutions and the solids.
IH; Report of Investigation;
NTIS Accession No.
NTIS: PB 80-122740