1. Department of Chemical Engineering and Metallurgy, School of Chemical Engineering, Aalto University, Aalto, Finland
2. Department of Process Engineering, Stellenbosch University, Matieland, RSA
3. Outotec (Finalnd) Oy, Technology Management, Espoo, Finland
4. Outotec (Finland) Oy, Smelters Business Line, Espoo, Finland