High Pressure Grinding Rolls (HPGR) | TENOVA
The high pressure comminution process causes microcracks in the particles, which lead to the liberation of minerals and a higher portion of fines. HPGR treated minerals show better leaching performance, because the microcracks increase the particle contact surface for the leaching liquid. Also, flotation efficiency is further enhanced through the use of HPGR comminution. .