Monday, February 12, 2007 (45). Union Process Inc
tional ball mill for the ultrafine grinding of Pima chalcopyrite concentrate. The data for the vibratory ball mill is represented by the top curve with the middle two curves d EM87109 To more clearly illustrate the efficiency of the Attritor, Fig. I shows the relative effectiveness of the Attritor versus the vibratory ball mill and conven