COMPARISON OF HPGR BALL MILL AND HPGR STIRRED MILL
TO THE EXISTING AG/SAG MILL BALL MILL CIRCUITS by Chengtie Wang University of Science and Technology Beijing 2021 A THESIS SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF APPLIED SCIENCE in THE FACULTY OF GRADUATE STUDIES Mining Engineering THE UNIVERSITY OF BRITISH COLUMBIA Vancouver January 2021