The reduction of wear loss of steel balls during the wet grinding of hematite ore wasachieved by using corrosion inhibitors, the optimum combination of which produced thehighest reduction rate. A binary component system consisting of Na2SiO3.9H2O and NaNO2 was developed and was found to perform well with an average wear reduction of 39% in 30 min grinding. Moreover, its use in the mill produced no adverse effect on grinding rate and pelletising.
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