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Test work performed in a pilot-scale flotation column (4m height×0.057m diameter) processing an industrial zinc concentrate (51% w/w Zn as sphalerite, 10.5% Fe, 0.77% Pb, 0.62% Cu, 7.3% NSG, d 80 =110μm), confirmed the findings of previous work conducted by the authors, that showed there exists a limit in the mass flow rate of solids that can be processed in the column without adversely affecting...
This paper presents results of column flotation of silica sand (d 80 =190μm) that show typical column heights may adversely affect the performance of the flotation, when relatively dense flotation slurries of floatable mineral are processed. For slurry densities above 20% of solids (w/w), floated under typical conditions (J g =1.46cm/s, J t =1cm/s, J ww =0...
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