HPGR circuits can reduce the hard rock mining industry's CO 2 emissions by up to 43.5% compared to SAG/Ball mill circuits. ... Tozlu and Fresko (2015) estimated that the total installed motor capacity of AG/SAG mills in hard rock mining in 2015 was 5.8 million kW (see Fig. 1). Given that mining industry activity has been relatively slow since ...
