AN OVERVIEW OF THE DESIGN, CONSTRUCTION, .
YEARS OF OPERATION OF THE SAG/BALL MILL GRINDING CIRCUIT AT PHU KHAM COPPER, GOLD OPERATION IN LAOS. ... Design Bond Rod Mill WI (closing 1180 micron) kWh/tonne Circuit Fresh Feed Rate 1,125 tph ... pinion, 13MW, variable speed SAG mill and 24'' dia x 40'' f/f long, twin pinion 13 MW, fixed speed ball mill. The mills selection summary is ...