TY - JOUR N2 - The paper presents the results of studies on quartzite milling in a ball mill. The milling was conducted in a batch system, for diversified compositions of balls. The milling product was subjected to granulometrical, morphological and strength analyses. On the basis of the developed Reid's theory and using the Austin-Gardner equation, a form of the function circumscribing the specific rate of comminution of selected size fractions was determined. The values of the breakage rate function bi, j for the mill's apparatus conditions were determined. The impact was investigated for a variable number of grinding media contact points on the values of specific rate S and the values of the breakage rate function bi, j. Furthermore, the values of coefficients occurring in the equations circumscribing the specific rate of milling S and breakage parameter bi, j were determined. L1 - http://www.journals.pan.pl/Content/84690/PDF/11-ZS-paper-Olejnik.pdf L2 - http://www.journals.pan.pl/Content/84690 PY - 2012 IS - No 1 March EP - 129 DO - 10.2478/v10176-012-0011-4 KW - ball mill KW - specific grinding rate KW - grain morphology KW - contact points A1 - Olejnik, Tomasz PB - Polish Academy of Sciences Committee of Chemical and Process Engineering DA - 2012 T1 - Analysis of the breakage rate function for selected process parameters in quartzite milling SP - 117 UR - http://www.journals.pan.pl/dlibra/publication/edition/84690 T2 - Chemical and Process Engineering ER -