Journal
MINERALS
Volume 13, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/min13030334
Keywords
microwave treatment; magnetic separation; magnetic properties; XPS
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The effect of microwave pre-treatment on the magnetic properties of tennantite and enargite was investigated. Magnetic susceptibility, XRD, and XPS characterization were conducted to explore the changes in their magnetic properties. Magnetic separation of chalcopyrite binary mixtures with enargite and tennantite was performed, showing significant arsenic rejection rates of 84.2% and 76.3% respectively.
The effect of microwave pre-treatment on the magnetic properties of tennantite and enargite was investigated. Magnetic susceptibility, XRD, and XPS characterization of tennantite and enargite before and after treatment were conducted to explore the changes in their magnetic properties. Moreover, magnetic separation of chalcopyrite binary mixtures with enargite and tennantite was performed. The results showed insignificant effects on the magnetic susceptibility of the two minerals after microwave pre-treatment. Magnetic separation results showed arsenic rejection by 84.2%, and 76.3% in the case of enargite and tennantite binary mixtures with chalcopyrite; respectively.
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