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Potassium Salt Flotation from Great Salt Lake Evaporites.

Authors
Huiatt-JL; Tippin-RB; Potter-GM
Source
Trans Soc Min Eng AIME 1975 Dec; 258:303-310
Link
NIOSHTIC No.
10009887
Abstract
The federal Bureau of Mines and the Great Salt Lake Minerals and Chemical Corp. have developed a froth flotation process for concentrating potassium salts from Great Salt Lake solar evaporites containing about 6 percent k2o. The crude evaporites, which were predominately halite (nacl) with smaller amounts of kainite (kcl.Mgso4.2.7H2o) and schoenite (k2so4.Mgso4.6H2o), were conditioned in a saturated brine solution, thus converting nonfloatable kainite to the floatable mineral schoenite. Schoenite was then selectively floated with a medium-molecular-weight fatty acid. Continuous small-scale pilot-plant testing indicated that 80 percent of the potassium could be recovered from the crude evaporites in flotation concentrates assaying about 13 percent k2o.
Publication Date
19751201
Document Type
OP;
Fiscal Year
1976
NTIS Accession No.
NTIS Price
Identifying No.
OP 4-76
NIOSH Division
SLRC;
Source Name
Trans. Soc. Min. Eng., AIME, V. 258, December 1975, PP. 303-310
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