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Bench-scale selective bioflotation tests were carried out in a 1L Denver cell using Rhodococcus opacus (R. opacus) cells as a collector in malachite–silica binary mixture and copper (Cu) oxide ore systems. Through the first set of tests carried out on the binary mixture, cell concentration and malachite fraction in the feed were optimized, and further the role of shear force by varying impeller speed...
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