Ore texture breakage characterization and fragmentation into multiphase particles
(English)Manuscript (preprint) (Other academic)
The ore texture and the progeny particles after a breakage in the comminution are the missing link between geology and mineral processing in the concept of geometallurgy. A new method called association indicator matrix based on co-occurrence matrix was introduced to analyze the mineral association of ore texture and particles. The association indicator matrix can be used as a criterion to classify ore texture and analyze breakage behavior of ore texture. Within the study, the outcome of breakage analysis with association indicator matrix was used to generate particle population of iron ore texture after crushing. The particle size of forecasted particles was taken from experimental and frequency of breakage in phases was defined based on association indicator and liberation of minerals. Comparison of liberation distribution of iron oxide minerals from experimental and forecasted population shows a good agreement.
Textural characterization, mineral liberation, breakage, particle population
Mineral and Mine Engineering
IdentifiersURN: urn:nbn:se:ltu:diva-62784OAI: oai:DiVA.org:ltu-62784DiVA: diva2:1085689