Buscar
Mostrando ítems 1-10 de 71
Métodos de flotação de minérios de ferro
(Universidade Federal de Minas GeraisUFMG, 2015-05-27)
In Brazil, the mineral industries apply only the reverse cationic flotation as the flotation method in mineral processing for iron ore. The decreasing of iron content in the deposits besides the increasing in the amount ...
Rota de processo para o underflow da deslamagem de minério de ferro do concentrador da Samarco Mineração
(Universidade Federal de Minas GeraisUFMG, 2006-12-15)
The iron ore reverse cationic flotation process, using etheramine as a collector/frothing and corn starch as a depressor, is very important in all major Brazilian pellet-feed concentration plants. One of the major challenges ...
Separation of silica from bauxite via froth flotation
(PERGAMON-ELSEVIER SCIENCE LTD, 2009)
This paper reports an innovative development: concentrating gibbsite via reverse froth flotation in order to obtain a metallurgical-grade bauxite concentrate. Tailings from an industrial plant have undergone attrition ...
Concentration of bauxite fines via froth flotation
(Escola de Minas, 2009)
Companhia Brasileira de Alumínio (CBA) has bauxite processing plants at Poços de Caldas and Itamarati de Minas, and a new processing plant at Miraí that has been operating since June, 2008; all of them are in the State of ...
Modelagem da relação teor-recuperação da célula de flotação pneumática
(Universidade Federal de Minas GeraisUFMG, 2015-02-24)
The main iron ore processing plants in Brazil operate through reverse cationic flotation. Many studies have been conducted in order to improve flotation efficiency by optimizing the process variables. The pneumatic flotation ...
Concentração por flotação da apatita proveniente de rochas de filiação carbonatíticaConcentration by apatite flotation originating from carbonatically affiliated rocks
(Escola de Minas, 2011)
Esse estudo de processamento busca o aprimoramento das operações de flotação ireta e de flotação reversa da apatita proveniente de rochas de filiação carbonatítica, objetivando obter um concentrado de apatita na especificação ...
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 ...
Amina residual na flotação catiônica reversa de minério de ferro
(Universidade Federal de Minas GeraisUFMG, 2007-01-26)
This study investigated the possibility of recovering residual amine contained in the tailings pulp of the reverse cationic flotation process of iron ore. Tailings samples from SAMARCO were used for this purpose. These ...
Recovery valuable metals from processing gangue minerals.
(Facultad de Ingeniería, 2022)