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Ore grade estimation by feature selection and voting using boundary detection in digital image analysis
(ELSEVIER SCIENCE BV, 2011)
In mining, rock classification plays a crucial role at different stages of the extraction process ranging from the design of the mine to mineral grading and plant control. In this paper we present a new method to improve ...
Produção de concentrado de zinco a partir de minério silicatado com redução no teor de carbonatos
(Universidade Federal de Minas GeraisUFMG, 2011-04-28)
The zinc world reserves, are estimated in 482 millions metric tons of metal content. The reserves of five countries, Australia, Canada, Kazakhstan, China, and USA represent over 70% of the world total. The major Brazilian ...
Construction and demolition waste recycling through conventional jig, air jig, and sensor-based sorting: a comparison
(Corporación Universidad de la Costa, 2022)
Análise de dados de rochas de cromita visando a melhoria de um algoritmo de classificação baseada em sensores
(Universidade Federal de Minas GeraisBrasilENG - DEPARTAMENTO DE ENGENHARIA MINASCurso de Especialização em Engenharia de Recursos MineraisUFMG, 2022-11-24)
The sensor-based sorting technology has been used to separate chromite lump (chromite ore) from low grade rocks for about seven years in a mining company at the northeast of Brazil. This technology has improved the quality ...
Estudo de aproveitamento de rejeito de mineração
(Universidade Federal de Minas GeraisUFMG, 2016-02-20)
The greatest and noblest challenge of mining engineering for the present and the future of the treatment of iron ore could be considered as the pursuit of optimizing the use of the mineral resources. The need for obtaining ...
Análise da performance dos sensores óptico e por transmitância de raios-x no processo de classificação de calcário em mina de Caçapava do Sul/RS
(Universidade Federal do PampaUNIPAMPAMestrado Profissional Tecnologia MineralBrasilCampus Caçapava do Sul, 2019)
Business consulting Compañía Minera Raura
(Pontificia Universidad Católica del PerúPE, 2023)
Flotation of high-grade fluorite in a short column under negative bias regime
(Minerals Engineering, 2006)
This paper presents flotation results carried out on fluorite ore using a relatively short column, operated under negative bias regime and without wash water. The term short column is used from a kinetic point of view from ...
Control de tamaño de burbujas en sistemas de flotación utilizando dispersores de gas tipo Jet de orificio de descarga de abertura variable
(Universidad Michoacana de San Nicolás de Hidalgo, 2008-11)
In many engineering applications bubble reactors are used, where a gas is dispersed in a liquid medium to carry out mixing, reaction, separation, and to promote the transport of mass and momentum. In these technologies, ...