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Reavaliação de circuito de flotação convencional de minério de ferro
(Universidade Federal de Minas GeraisUFMG, 2016-06-08)
Samarco Mineração, since the start up in 1977 at Germanos mine, has been a pioneer in mining and beneficiation of low grade friable iron ore (itabirite). Currently the decrease in iron content and increase in contaminants ...
Efeito do scalping de quartzo grosso na flotação catiônica reversa de minério de ferro
(Universidade Federal de Minas GeraisUFMG, 2010-02-10)
The size of the mineral particles present in the pulp is a relevant variable in the sequence of events resulting in flotation and affects significantly the process performance. The kinetic behavior of coarse particles is ...
Estudo da flotação de minério silicatado de zinco sem a etapa de deslamagem
(Universidade Federal de Minas GeraisUFMG, 2007-06-28)
The world measured reserves of zinc reached, in 2005, 462 x 106 t of the metal, the Brazilian reserves representing 1.2% of the world reserves. Approximately 82.9% of the Brazilian reserves are located in Vazante and ...
Flotação de minério de ferro dolomítico
(Universidade Federal de Minas GeraisBrasilENG - DEPARTAMENTO DE ENGENHARIA METALÚRGICAPrograma de Pós-Graduação em Engenharia Metalúrgica, Materiais e de Minas - Mestrado ProfissionalUFMG, 2019-08-29)
Quadrilátero Ferrífero is an important mineral province located in Minas Gerais state, responsible for the greatest part of iron production in Brazil. Among the concentration methods for iron ore practiced by the companies ...
Circuito alternativo para flotação de minério willemítico
(Universidade Federal de Minas GeraisUFMG, 2008-02-20)
The present investigation addressed the search for an alternative circuit for the flotation of the willemitic zinc ore from Vazante, MG, aiming at an increase of the zinc metallurgical recovery without loss of the quality ...