NIOSHTIC-2 Publications Search
Factors Affecting Dewatering of Phosphatic Clay Waste Slurries.
Paper in Transactions Volume 284 Soc Min Eng 1988 :1801-1806
The U.S. Bureau of Mines has been investigating 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 were 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.
Paper in Transactions Volume 284, Soc. Min. Eng., 1988, PP. 1801- 1806
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division