and;
Minerals;
Research;
Laboratory,;
Division;
of;
Sustainable;
Process;
Engineering,;
Lulea;
University;
of;
Technology,;
Lulea97187,;
Sweden;
of;
Metallurgical;
Engineering;
and;
Materials;
Science,;
lndian;
Institute;
of;
Technology;
Bombay,;
Mumbai;
4000076,;
India;