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Mostrando ítems 11-20 de 173
Instrumentação e controle no processo de flotação convencional de minério de ferro
(Universidade Federal de Minas GeraisUFMG, 2013-06-18)
Iron ore mining is one of the main economic activities of Brazil, and for achiving the spacifications of iron content demanded by the market, the iron ore needs to go through a process of concentration. Flotation is the ...
Mezclas eficientes de mineral de hierro destinado a la corrección química del cemento a partir de pilas longitudinales tipo Chevron
(Medellín - Minas - Maestría en Ingeniería - Ingeniería de SistemasUniversidad Nacional de Colombia - Sede Medellín, 2019-11-14)
The chemical composition of iron ore makes that this raw material is used in the cement industry as a correction agent. In addition to iron, iron ore also includes elements such as silica, aluminum, phosphorous and calcium, ...
Evaluación económica del proyecto minero Alta Gracia, Yonán - 2021
(Universidad Privada del NortePE, 2022-06-03)
En la presente investigación se determinó las reservas de mineral y los costos de operación con el fin de evaluar la rentabilidad económica del Proyecto Minero Alta Gracia Yonán 2021, ubicado en el paraje Ventanilla, ...
Evaluación de la cinética de adsorción de Fe (III) de drenaje ácido de mina mediante organoarcillaEvaluation of the adsorption kinetics of Fe (III) of acid mine drainage by organoclay
(Universidad Nacional del Centro del Peru, 2022)
Adição de elementos de liga (boro e nióbio) em ferro fundido branco alto cromo : uma análise comparativa do ganho de resistência ao desgaste abrasivo versus custo
(Universidade Federal de Minas GeraisBrasilENG - DEPARTAMENTO DE ENGENHARIA METALÚRGICAPrograma de Pós-Graduação em Engenharia Metalúrgica, Materiais e de MinasUFMG, 2020-09-23)
In the case of mining companies, abrasive wear is the cause of operational problems and generates high costs. High chromium white cast iron alloys have been widely used in mining, as they are a class of materials highly ...
Uso da inovação tecnológica na mineração do ouro - um estudo dos aspectos técnicos e econômicos
(Universidade Federal de Minas GeraisBrasilENG - DEPARTAMENTO DE ENGENHARIA METALÚRGICAPrograma de Pós-Graduação em Engenharia Metalúrgica, Materiais e de Minas - Mestrado ProfissionalUFMG, 2020-11-16)
The mining sector has a fundamental financial and economical role in the country where it practices these activities. In addition to employment creation and social-cultural development, the mining sector brings economic ...
Recognition of Sulfides Zones in Marble Mine Through Comparative Analysis of Electrical Tomography Arrangements
(2019-01-01)
This paper involves the use of Induced Polarization method combined with the geological reconnaissance of sulfite rich zones from the comparative analysis of the Dipole–dipole, Schlumberger and Wenner tomographic arrays. ...
Modelo termodinâmico para cálculo de valor em uso no processo de sinterização de minério de ferro
(Universidade Federal de Minas GeraisUFMG, 2017-03-31)
The sintering process has a great importance in the Blast Furnace production route. It is responsible for the production of about 60% of the metallic charge of this reactor. The chemical and granulometric quality offered ...
El Impacto de la Minería en el Perú, Bajo la Exégesis del Análisis Económico del Derecho, Período del 2010 al 2015
(Universidad Peruana de las Américas, 2016-02-20)
La Minería en el Perú es uno de los Sectores pilares de la Economía, destacándose en el rubro de nuestras Exportaciones hacia los países del Mundo. Así, la Minería aportó con el 20% de los Ingresos fiscales; contribuyó con ...
Analysis Of Aluminum, Manganese, And Iron Adsorption For The Design Of A Liner For Retention Of The Acid Mining Drainage
(Kluwer Academic Publishers, 2015)