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dc.contributor.authorSão José, Fábio de-
dc.contributor.authorImbelloni, Alaine Moreira-
dc.contributor.authorNogueira, Francielle Câmara-
dc.contributor.authorPereira, Carlos Alberto-
dc.date.accessioned2017-07-10T15:48:57Z-
dc.date.available2017-07-10T15:48:57Z-
dc.date.issued2016-
dc.identifier.citationSÃO JOSÉ, F. de et al. Nickel ore dispersion evaluation and consequences in flotation process. Metallurgical and Materials Transactions. B, Process Metallurgy and Materials Processing Science, v. 46, n. 2, p. 899-904, abr. 2016. Disponível em: <https://link.springer.com/article/10.1007/s11663-015-0562-0>. Acesso em: 10 jul .2017.pt_BR
dc.identifier.issn1543-1916-
dc.identifier.urihttp://www.repositorio.ufop.br/handle/123456789/8208-
dc.description.abstractNickel ore dispersion before flotation using different reagents was investigated on a bench scale to improve metallurgical recovery and selectivity. The nickel ore had a content of 0.8 pct nickel and 14.5 pct MgO. A positive linear correlation between MgO and Ni was found. Carboxy methyl cellulose, both pure and combined with Na2CO3, was the best dispersant used. The most efficient collector was potassium amyl xanthate combined with mercaptobenzothiazole, and the addition of xanthate was decisive for this good result because it is normally more stable in the pH range used in the tests. A pH change from 7 to 9 resulted in a metal recovery increase of 49.3 pct, together with an increase of 6.25 pct of MgO in the concentrate.pt_BR
dc.language.isoen_USpt_BR
dc.rightsrestritopt_BR
dc.titleNickel ore dispersion evaluation and consequences in flotation process.pt_BR
dc.typeArtigo publicado em periodicopt_BR
dc.identifier.uri2https://link.springer.com/article/10.1007/s11663-015-0562-0pt_BR
dc.identifier.doihttps://doi.org/10.1007/s11663-015-0562-0-
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