The effects of leach parameters to determine the variability of reagents consumption on a uranium ore was investigated in this work. The effects of time, temperature sulphates, and acid consumption on the rate of dissolution of the comminuted uranium ore samples were also studied. It was found that 77% dissolution of uranium was achieved after 8 hours while maximum uranium leaching of 92% was achieved at temperature 30°C for 1 hour. The addition of ferric sulphate at 30°C showed a decrease in acid consumption from 79.32 kg/t to 32.32 kg/t as well as decrease in the MnO_2 consumption from 21.03 kg/t to 15.06 kg/t. At elevated temperature of 6°C a higher acid consumption of 100 kg/t was obtained and this is attributed to the fact that other acid consuming minerals were leached at this temperature. Maximum uranium dissolution of 89.37% was achieved after 24 hours and the acid consumption was 31 kg/t with a MnO_2 addition of 24.26 kg/t.
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