Four size fractions of a black shale ore originating from the Lubin Copper Mine (Southwestern Poland) were leached in a small column using autotrophic bacteria (Acidithiobacillus ferrooxidans). The best results of bioleaching were obtained for the most fine fraction, where the copper recovery was 84%, and the surface area of the ore increased from 4.50 m2/g to 13.74 m2/g. Based on the shrinking core...
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