Chapter 4
The Cu-Ni-S System And ITS Significance in Metallurgical Processes
Fiseha Tesfaye,
Daniel Lindberg,
Pekka Taskinen,
Fiseha Tesfaye
Åbo Akademi University, Johan Gadolin Process Chemistry Centre, Piispankatu 8, Turku, Finland
Search for more papers by this authorDaniel Lindberg
Åbo Akademi University, Johan Gadolin Process Chemistry Centre, Piispankatu 8, Turku, Finland
Search for more papers by this authorPekka Taskinen
Aalto University School of Chemical Technology, Department of Materials Science and Engineering, Vuorimiehentie 2 K, Aalto, Finland
Search for more papers by this authorFiseha Tesfaye,
Daniel Lindberg,
Pekka Taskinen,
Fiseha Tesfaye
Åbo Akademi University, Johan Gadolin Process Chemistry Centre, Piispankatu 8, Turku, Finland
Search for more papers by this authorDaniel Lindberg
Åbo Akademi University, Johan Gadolin Process Chemistry Centre, Piispankatu 8, Turku, Finland
Search for more papers by this authorPekka Taskinen
Aalto University School of Chemical Technology, Department of Materials Science and Engineering, Vuorimiehentie 2 K, Aalto, Finland
Search for more papers by this authorBook Editor(s):Antoine Allanore,
Laura Bartlett,
Cong Wang, Lifeng Zhang,
Jonghyun Lee,
Antoine Allanore
Search for more papers by this authorLaura Bartlett
Search for more papers by this authorLifeng Zhang
Search for more papers by this authorJonghyun Lee
Search for more papers by this authorSummary
Due to increasing comple xities of raw materials for base metals production the conventional pyrometall urgical processes are challenged. To make the appropriate modifications, thorough evaluations of the thermal stabilities of phases and phase assemblages which are commonly encountered in these processes are essential. In this work, phase relations and thermal stabilities of equilibrium phases in the Cu-Ni-S system have been reviewed. The calculated phase diagram of Cu-Nisystem has been validated. At T < 630 K, in the Ni-rich corner, large scatter in data has been observed and discussed in detail. The other binary systems, Cu-S and Ni-S, have been also critically reviewed together with the ternary Cu-Ni-S system. The reviews were focused on compiling and discussing phase relations and thermal stabilities of the selected systems in the pyrometall urgical processes of Cu and Ni productions.
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