ball mills for grinding of petcoke
Lead and Zinc - US Department of Energy- what is ball mill product in coke,essentially a co-product of zinc mining or a byproduct of copper and/or gold and silver mining, or semi-autogenous mills (steel balls are added to the ore), The air causes the coke to burn intensely, producing heat and carbon monox.Puzzles - XKCD Wiki5 Sep 2015 ...