1. General presentation

1.1 Definitions

For definitions, please refer to the bibliographic reference [2] .

• Mineralurgy: all techniques used to process raw mineral materials in order to obtain, by physical, chemical or thermal means, products that can be used directly by industry or transformed by metallurgists.

• Ore: solid, natural mineral material composed of a certain number of useful (valuable) or non-valuable (gangue) minerals; in a restricted sense, mineral material that can be economically exploited.

• Concentration: increase in valuable mineral content by removing part of the gangue....