Kyran Casteel, contributing editor, Mining World and Coal International examined the current status of crushing and grinding circuits and reviewed progress in the present century. He found a growing emphasis on the need for more efficient use of energy.
"Today accelerating progress is evident in concerted advocacy and collaborative thinking, optimized circuits and new comminution machines."
The full paper can be found in Mining World | Volume 9 | Issue 5 | October 2012. Mining World, Tradelink Publications Ltd.