2004
DOI: 10.1590/s0370-44672004000300011
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Flotação de diferentes tipologias de minério fosfático de Tapira/MG, usando o coletor óleo de soja hidrogenado

Abstract: Esse trabalho teve por objetivo avaliar o desempenho do coletor óleo de soja hidrogenado na flotação de quatro tipologias de minérios fosfáticos da mina de Tapira/MG, denominadas piroxenito silicificado semicompacto, piroxenito silicificado compacto, silexito e piroxenito serpentinizado, cujas relações CaO/P2O5 eram de 2,1, 3,5, 2,5 e 1,33, respectivamente. Para a realização dos experimentos, foram aplicadas a metodologia estatística de planejamento e a análise fatorial de experimentos, onde foram estudadas as… Show more

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Cited by 5 publications
(3 citation statements)
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“…This scenario led to the development of technologies, so that it would be possible to make better use of this more complex ore. Thus, there are studies seeking to optimize concentration routes, which allow the production of phosphate concentrates within the market specifications for fertilizer production (SOUZA et al, 2014;GUIMARÃES et al, 2004).…”
Section: Introductionmentioning
confidence: 99%
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“…This scenario led to the development of technologies, so that it would be possible to make better use of this more complex ore. Thus, there are studies seeking to optimize concentration routes, which allow the production of phosphate concentrates within the market specifications for fertilizer production (SOUZA et al, 2014;GUIMARÃES et al, 2004).…”
Section: Introductionmentioning
confidence: 99%
“…To work around this situation, reagents have been developed so that flotation presents selectivity. Studies such as those performed by Souza et al (2014), Oliveira (2007), Carneiro (2018), Carneiro et al (2021), Guimarães et al (2004), Martins et al (2019), Oliveira et al (2019), among many others presented in the literature, bring fundamental studies, in addition to analyzing the performance of collectors and depressants. They show this scientific initiative in the search for optimal conditions in phosphate ore flotation operations.…”
Section: Introductionmentioning
confidence: 99%
“…Têm-se ainda as perdas do fósforo antes e após a etapa de beneficiamento. De acordo com BARROS (1997) apud GUIMARÃES et al (2004), perde-se 15 % na lavra, e de 2 a 5 % no transporte e manuseio do concentrado fosfático. A maior perda na etapa de beneficiamento mostra a necessidade de mais aprimoramentos no processo de concentração buscando um melhor aproveitamento.…”
Section: Capítulo I Introduçãounclassified