2018-10-1 · Subsequently, cells were inoculated at an initial cell density of 10 7 cells/ml to mineral cultures in 300-ml Erlenmeyer flasks with 150 ml MAC medium and 2% (wt/vol) pyrite or chalcopyrite grains (50- to 100-μm grain size). Equal proportions of cells of each species were used in mixed cultures.
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1990-8-1 · Flotation tests were conducted in a laboratory Denver Flotation Machine with a 1.7-1 cell and a fixed 1300 rpm agitation speed. A sample of 300 g was used in each batch flotation test. NaOH or CaO, sodium iso-butylxanthate (IBX), and Dowfroth 250 were used as …
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