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Extracting Uranium from Carbonaceous Ores.

Authors
Schultze-LE; Bauer-DJ; Morimoto-MT
Source
MISSING :12 pages
Link
NIOSHTIC No.
10006749
Abstract
As part of its goal of maintaining an adequate supply of minerals to meet national economic and strategic needs, the Bureau of Mines devised a processing sequence for recovering uranium from carbonaceous ores. Uranium extractions of 97 pct were obtained by contacting the ore with a solution containing 400 grams of ferric sulfate hydrate in 200 ml water for 3 hr at boiling temperature (96 deg. C). Uranium was recovered from the leaching solution by solvent extraction with tri-issooctyl amine. The barren ferric sulfate solution was recycled to the leaching system. The leaching process resulted in no detectable dissolution of carbonaceous material from the ore. Work on the project was terminated in 1978 because of a transfer of responsibility to the U.S. Department of Energy.
Publication Date
19810101
Document Type
IH; Report of Investigation;
Fiscal Year
1981
NTIS Accession No.
NTIS Price
Identifying No.
RI 8580
NIOSH Division
RERC;
Source Name
MISSING
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