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Factors Affecting Dewatering of Phosphatic Clay Waste Slurries.

Authors
Scheiner-BJ; Ragin-MM
Source
Soc Min Eng AIME Preprint 87-47 1987 :13 pages
Link
NIOSHTIC No.
10005541
Abstract
This paper describes the Bureau of Mines investigation of the use of polyethylene oxide (peo) as a flocculant for a variety of mineral wastes. As part of this investigation, the hydrodynamics of the flocculation process were studied. It was determined that to obtain optimum dewatering results, the factors of energy input into the stirrer, polymer concentration, and polymer dosage must be considered. It was found that at a given polymer concentration, there was an optimum stirrer speed and polymer dosage. With excess peo, the amount of water removed in the trommel decreased, but no evidence for steric stabilization was observed.
Publication Date
19870101
Document Type
OP;
Fiscal Year
1987
NTIS Accession No.
NTIS Price
Identifying No.
OP 32-87
NIOSH Division
TURC;
Source Name
Soc. Min. Eng. AIME Preprint 87-47, 1987, 13 Pp
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