Rajak, Dilip K...[ et al.]2018-06-072018-06-072017South African Journal of Chemical Engineering, 2017, V. 24, P.135-147https://doi.org/10.1016/j.sajce.2017.08.002http://hdl.handle.net/123456789/1131enPlanetary ball millFly ashPopulation balance modelDirect- and back-calculation methodBreakage parametersParameter optimizationSCOPUSGrinding of Class-F fly ash using planetary ball mill: A simulation study to determine the breakage kinetics by direct- and back-calculation methodArticle