/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: ValiollahGhohestani https://cdn.slidesharecdn.com/profile-photo-ValiollahGhohestani-48x48.jpg?cb=1502533102 I am mineral processing engineer in PIRTAK mining company in Iran. I was involved in research team and process optimization in Miduk Copper Complex. Furthermore I had done more than 8 research projects. I am mostly interested in comminution, flotation, Leaching & Heap Leaching, modeling and optimization of mineral processing systems. I was a researcher at Kashigar Mineral Processing Research Center (KMPC) more than 2 years.