The Dry Concentration of Ores and Minerals

TH E dry concentration of ores and minerals is a subject on which there is very little engineering literature available. With the advent of flotation, practically all milling research was turned to this development as it held the answer to large-scale economically operations. However, there are many concentration problems that can be more adequately and economically handled by the dry methods that have been developed, and, consequently, I believe it is very advisable for mining men to become fully 'conversant with just what can be done in the dry state.
Keywords: Air, columbite, electric field, electrostatic, gravity, simple explanation, Concentration, Developments, flotation, Gravity, Materials, particles, Separation, separator
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