The 2012 grindability test results showed that the Bond ball millwork index BWi tests ranged from 6.5 to 11 kWht and abrasion index Ai tests fluctuated from 0.017 to 0.072 g for the mineralized samples. The data indie that the samples are neither resistant nor abrasive to ball mill grinding.
The starting point selected for the new grindability test was the Bond ball mill grindability test . The test is a locked cycle test which simulates a closed continuous comminution circuit . The test starts with 0.7 l sample, corresponding to 3.4 kg FAR iron ore sample, and the test.
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