Mine & Process Engineering Solutions (MPES Mühendislik) is a very dynamic engineering company based in Ankara, Turkey. MPES offers industrial scale engineering and consulting services in scoping and designing of new circuits, optimization of the concentrator, grinding mill scale-up and laboratory services to our clients in mineral processing industry. MPES employs professionals who have extensive theoretical and practical knowledge about size reduction processes, particularly on grinding. Detailed information is available on our website: www.millengineering.com We specifically focus on the theory and as well as the practice of size reduction. MPES uses population balance modeling (PBM) and discrete element modeling (DEM) as the primary modeling tools for the prediction of mass balance around the circuit (PBM), size distribution modeling (PBM), charge motion modeling (DEM) and lifter design (DEM).