Abstract
The influence of a chemical dispersant on the hydrocycloning of a copper ore slurry and a slurry mixture of copper and magnetic iron ores was investigated. In the percent solids and slurry feed size ranges associated with industrial practice, the classification parameters of mass by-pass fraction ‘a’ to coarse stream, d 50, and Sharpness Index were measured on a 24-in.-diam. cyclone under ‘stand-alone’ conditions, with and without the dispersant. With chemical use, there were significant increases in ‘a’, d 50, and S.I. in the copper ore slurry tests. However, the results of chemical use in the slurry mixture tests were not as significant because the influence of the two components of widely different specific gravities obscured the effect of the chemical.
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