A review on process-related characteristics of pyrrhotite
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In this review, the physical and chemical properties of the pyrrhotite group minerals are discussed, particularly their mineralogical behavior during mineral processing and phase transitions. Pyrrhotites are often associated with nickel ores and gold deposits. Consideration of the leaching processes of pyrrhotites focuses on the recovery of Ni and Au. The mechanisms of acid leaching are presented from physical, chemical, electrochemical, and crystallographic viewpoints. Other pyrrhotite processing techniques, including oxidation and flotation, are also included in this article.
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Rabieh, Alireza; Eksteen, J.; Albijanic, Boris (2017)In this paper, the role of grinding media type on cyanide-based gold leaching in the presence of pyrrhotite was investigated. Pyrrhotite commonly occurs in many gold ores together with pyrite and/or arsenopyrite. A synthetic ...
Relationship between microstructures and grain-scale trace element distribution in komatiite-hosted magmatic sulphide oresVukmanovic, Zoja; Reddy, Steven; Godel, B.; Barnes, S.; Fiorentini, M.; Barnes, S.; Kilburn, M.R. (2014)Komatiite-hosted nickel sulphides from the Yilgarn Craton (Australia) consist of two main sulphide phases: pyrrhotite (Fe7S8) and pentlandite ((Fe,Ni)9S8); two minor sulphide phases: chalcopyrite (CuFeS2) and pyrite (FeS2) ...
In situ multiple sulfur isotope analysis by SIMS of pyrite, chalcopyrite, pyrrhotite, and pentlandite to refine magmatic ore genetic modelsLaFlamme, C.; Martin, L.; Jeon, H.; Reddy, Steven; Selvaraja, V.; Caruso, S.; Bui, T.; Roberts, M.; Voute, F.; Hagemann, S.; Wacey, D.; Littman, S.; Wing, B.; Fiorentini, M.; Kilburn, M. (2016)With growing interest in the application of in situ multiple sulfur isotope analysis to a variety of mineral systems, we report here the development of a suite of sulfur isotope standards for distribution relevant to ...