1. Department of Research & Development, Faravari Pouya Zarcan Agh-Darreh Company, Tehran, Iran
2. School of Mining, College of Engineering, University of Tehran, Tehran, Iran
3. Department of mineral processing engineering, Faculty of mining engineering, University of Amirkabir, Tehran, Iran
4. Minerals and Metallurgical Engineering, Dept. of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, Luleå, Sweden