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    Determination of abrasion resistance of iron ore pellets by the scale-down tumbler test
    (Baski, 2019) Sivrikaya, O.; Arol, A.I.
    The tumbling-abrasion indices of iron ore pellets are measured according to instructions in ASTM E279- 97 (2010). This test measures the resistance of the product pellets under certain abrasive condition in a standard test drum. However, this test requires 11.3 kg pellet to carry out a single tumbling-abrasion test. This amount of pellet can be obtained from industrial-scale pellet production. However, it is impossible to produce this amount of pellet in laboratory-scale investigation since the capacities of laboratory equipment are low. Therefore, this test can not be applied in laboratory-scale pellet investigations. In this study, laboratory studies were carried out to determine the tumbling-abrasion indices of pellets in small quantities (500-1000 gram) via an alternative test method. Industrial-scaleproduced 4 different pellet samples were obtained from a company. Tumbling-abrasion tests were carried out with a scale-down test drum under different test conditions. It has been investigated whether the results of pellet abrasion in different test conditions are consistent and reproducible. According to the results, it was determined that the pellet abrasion values can be obtained consistently and reproducible by using the small quantities of pellet sample in a scale-down abrasion test drum. Copyright © IMCET 2019 International Mining Congress and Exhibition of Turkey. All rights reserved.