2003
DOI: 10.1590/s0370-44672003000300008
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Avaliação da produção de um super-concentrado de minério de ferro

Abstract: Visando à obtenção de um concentrado com teor de sílica inferior a 1,00%, foram realizados ensaios em laboratório a partir de uma amostra do concentrado da flotação mecânica da Samarco, que apresentou 3,08% de sílica. Efetuou-se um corte na granulometria de 105µm nesse concentrado. A fração -105µm, que representa 76,69% da massa inicial, foi submetida a uma outra etapa de flotação, gerando concentrado de teor de sílica de 0,61%. A fração +105µm, que representa 23,31% da massa inicial, foi moída a 100% -105µm, … Show more

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“…The mineral extraction industry comprises the activities of mineral prospecting, extraction, processing, logistics and consumption. The first stage – prospection of reserves – refers to geological mapping, drilling and computer modelling undertaken by geology companies, which seek to identify, size and characterize mineral deposits (Ferreira, 2014). The next step is the extraction of the ore.…”
Section: Research Design and Methodologymentioning
confidence: 99%
“…The mineral extraction industry comprises the activities of mineral prospecting, extraction, processing, logistics and consumption. The first stage – prospection of reserves – refers to geological mapping, drilling and computer modelling undertaken by geology companies, which seek to identify, size and characterize mineral deposits (Ferreira, 2014). The next step is the extraction of the ore.…”
Section: Research Design and Methodologymentioning
confidence: 99%