Mark Sherman

Background

About Mark Sherman

Metallurgist with +39 years experience incorporating plant commissioning, operation, optimisation, management, and feasibility studies. Main focus is base metals and gold ore grinding circuit design, operation, and optimisation. Worked with Dr Raj Rajamani of the Utah University Comminution Centre to start the reduced row lifter design concept for SAG mills (Northparkes, NSW, Australia, 1996). Introduced, and optimised the concept, at Alumbrera (Argentina, 1997) where the operating procedures for maximising the performance of SAG mills fitted with reduced lifter rows, and operating with larger media and higher mill speed, were developed (1997 - The reduced lifter row concept is now common in the SAG milling industry. Due to the need to check design capacity calculations for green field projects, developed an alternative calculation methodology using Bond's work indices for calculating SAG mill specific energy, and Ball mill specific energy for ball mills treating SAG mill discharge, as stand alone calculations (refer Proceedings SAG 2011 and SAG 2015).