A Technical and Economic Comparison of Ball Mill Limestone Comminution ...
In South Africa, Eskom's Kusile Power Station utilizes conventional wet ball milling to grind highgrade limestone (96% CaCO 3) to 95% passing 45 µm prior to use in the FGD scrubber. For future FGD installations under consideration, the high energy cost associated with ball milling, particularly when pursuing fine grinding, has become a ...