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- W2185628532 abstract "Abstract The characterization of the magnetic fraction of atail from phosphate rock processing was done. Sampleswere from Tapira, in Minas Gerais, Brazil. The mainphysical, chemical and mineralogical properties, aswell as this material response to separation processeswere determined. The first part of this work encompassesthe mineralogical characterization (determination ofparticle size distribution, X-ray diffraction, Mossbauerspectroscopy, optical microscopy and scanning electronmicroscopy). In the second part, concentration tests bymagnetic separation, flotation and acid leaching werecarried out. The iron-bearing material is composedpredominantly of magnetite, hematite and ilmenite. Wetlow intensity magnetic separation has reached ironrecovery above 96 %. As far as flotation is concerned,fatty acid soap from vegetal oil (Hidrocol) as a collectorfor silicates and apatite was better than amine. Attritionor scrubbing prior to conditioning seems not to affectflotation performance in this case. Acetic acid hasextracted only 0.41 % of the phosphorus, andhydrochloric acid has depleted 73.05 % of thephosphorus in the samples under leaching." @default.
- W2185628532 created "2016-06-24" @default.
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- W2185628532 date "2008-01-01" @default.
- W2185628532 modified "2023-09-26" @default.
- W2185628532 title "Caracterização da parcela magnética de minério fosfático de carbonatito (Characterization of the magnetic phase from carbonatitic phosphate ore)" @default.
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