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- W2891828483 abstract "The effect of aeration on chalcocite heap leaching was studied by analyzing the historical data from two chalcocite heap leach pads located in Chile, one with aeration and the other without aeration. The data showed that the copper leaching kinetics of the aerated heap was greater than that of the unaerated heap within a certain leaching period, after which there was no effect of aeration on the copper leaching kinetics. The total acid consumption per ton of ore processed was higher in the case of aeration, which was supported by the higher pH of the PLS. But the net acid consumption per ton of copper produced was the same in the two cases. Approximately 5% of the total iron added to the unaerated heap was precipitated inside the heap. In contrast, there was no net iron precipitation or generation inside the aerated heap. Bacteria activities were thought to occur even in the unaerated heap, but the extent was much less than in the aerated heap. Given the importance of forced aeration in chalcocite heap bioleaching, mathematical modelling will be applied in the future work to assist the optimization of the aeration system design." @default.
- W2891828483 created "2018-09-27" @default.
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- W2891828483 date "2018-01-01" @default.
- W2891828483 modified "2023-09-27" @default.
- W2891828483 title "The Effect of Aeration on Chalcocite Heap Leaching" @default.
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- W2891828483 doi "https://doi.org/10.1007/978-3-319-95022-8_110" @default.
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