Search Results - "Galéry, Roberto"

An alternative strategy to compensate for screw wear in gravity induced stirred mills by Esteves, Priscila M., Mazzinghy, Douglas B., Hilden, Marko M., Yahyaei, Mohsen, Powell, Malcolm S., Galéry, Roberto

“…In fine grinding applications, gravity induced stirred mills have a demonstrated higher energy efficiency compared to conventional tumbling ball mills, leading…”
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Vertical Agitated Media Mill scale-up and simulation by Mazzinghy, Douglas B., Schneider, Claudio L., Alves, Vladmir K., Galéry, Roberto

“…•The vertical mill product size distribution was predicted by breakage parameters.•The vertical mill breakage mechanisms are the same that observed in ball…”
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Pseudo-dynamic simulations applied to ball mill grinding circuit using population balance model and Monte Carlo Method by Valadares, Jose Guilherme de Abreu, Mazzinghy, Douglas Batista, Galéry, Roberto

“…Abstract Process simulations can be used to improve grinding circuit performance, which efficiently reduces operating costs. The population balance model (PBM)…”
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Vertical stirred mill scale-up and simulation: Model validation by industrial samplings results by Mazzinghy, Douglas Batista, Lichter, Jens, Schneider, Claudio Luiz, Galéry, Roberto, Russo, José Francisco Cabello

“…•Simulation of the currently largest vertical mill installation in the world.•Industrial vertical mill scale-up and simulation using Population Balance…”
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Vertical mill simulation applied to iron ores by Mazzinghy, Douglas Batista, Schneider, Claudio Luiz, Alves, Vladmir Kronemberger, Galéry, Roberto

“…The application of vertical mills in regrind circuits is consolidated. This type of mill is now attracting interest in primary grinding applications, due to…”
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Scale up and simulation of Vertimill™ pilot test operated with copper ore by Mazzinghy, Douglas Batista, Galéry, Roberto, Schneider, Claudio Luiz, Alves, Vladmir Kronemberger

“…Vertimill™ has been used in regrind circuits during the past years due to its greater efficiency when compared to the conventional tube ball mill. This paper…”
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Comparative evaluation of three classical sizing methods of vibrating screens by Sales, Cristiano Geraldo, Galery, Roberto

“…Abstract The sizing of vibrating screen machines can be done by various methods, most of them based on the classic method of Allis Chalmers (ACM). Due to the…”
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Evaluation of the effects of different hydroxamates and a sulfosuccinamate in the direct flotation of iron ore tailings by Campos, Leonardo Júnior Fernandes, Galery, Roberto

“…Abstract Recent events involving iron ore tailings dam collapses have emphasized the need for developing alternative ways of depositing tailings. This study…”
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Reuse of iron ore tailings for production of metakaolin-based geopolymers by Ferreira, Igor Crego, Galéry, Roberto, Henriques, Andréia Bicalho, Paula de Carvalho Teixeira, Ana, Prates, Caroline Duarte, Lima, Athos Silva, Souza Filho, Isnaldi R.

“…Mining tailings are becoming more and more abundant and consequently it has been shown to be a material of great concern, especially after the dam failures in…”
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Industrial Vertical Stirred Mills Screw Liner Wear Profile Compared to Discrete Element Method Simulations by Priscila M. Esteves, Douglas B. Mazzinghy, Roberto Galéry, Luís C. R. Machado

“…Vertical stirred mills have been widely applied in the minerals industry, due to its greater efficiency in comparison with conventional tumbling mills. In this…”
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Strain analysis in diametral compression test through digital image correlation by Silva, Ângelo Quintiliano Nunes, Galery, Roberto

“…Abstract In the search for alternatives to obtain more information from rock tests and to make them more accessible, this study applies the Digital Image…”
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PELOTIZAÇÃO DO PÓ DE ACIARIA ELÉTRICA PARA OBTENÇÃO DE CONCENTRADO DE ZINCO EM FORNO WAELZ by Fagundes, Larissa Virgínia Queiroz, Gama, Evandro Moraes da, Martins, Luiz Henrique de Oliveira, Galéry, Roberto, Teixeira, Fabiana Maria, Martins, Éder Lucio de Castro

“…O presente trabalho teve por objetivo o estudo da pelotização do pó de aciaria elétrica (PAE), resíduo obtido na produção de aço através do forno elétrico a…”
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Characterization and Analysis of Iron Ore Tailings Sediments and Their Possible Applications in Earthen Construction by Bessa, Sofia, Duarte, Marlo, Lage, Gabriela, Mendonça, Isabela, Galery, Roberto, Lago, Rochel, Texeira, Ana Paula, Lameiras, Fernando, Aguilar, Maria Teresa

“…Mineral extraction is of ultimate importance for the economies of different countries, and Brazil is one of the world’s leading producers of iron ores…”
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PREVISÃO DE DISTRIBUIÇÃO GRANULOMÉTRICA DE PRODUTO DE MOINHO VERTIMILL by Mazzinghy, Douglas Batista, Alves, Vladmir Kronemberger, Schneider, Claudio Luiz, Galéry, Roberto

“…Uma campanha de testes em escala piloto com um moinho VertiMill foi realizada com amostras de minério de ferro e de minério de cobre da Vale S.A com o objetivo…”
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Optimum mine production rate based on price uncertainty by Souza, Felipe Ribeiro, Câmara, Taís Renata, Torres, Vidal Félix Navarro, Nader, Beck, Galery, Roberto

“…Abstract The production rate of a mining operation has an important effect on the operational cycle and gross profit, which are often evaluated based on…”
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Mine fleet cost evaluation - Dijkstra's optimized path by Souza, Felipe Ribeiro, Câmara, Taís Renata, Torres, Vidal Félix Navarro, Nader, Beck, Galery, Roberto

“…Abstract The transport distance in a mining operation strongly influences a mine operation revenue and its operational cycle because it is a fundamental part…”
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Impact of grade distribution on the final pit limit definition by Carvalho, Luiz Alberto, Souza, Felipe Ribeiro, Chaves, Leonardo Soares, Nader, Beck, Câmara, Taís Renata, Torres, Vidal Félix Navarro, Galery, Roberto

“…Abstract Geologic modeling is an important step in determining the benefits and final pit dimensions for mining operations. Geostatistical models and…”
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Direct block scheduling under marketing uncertainties by Burgarelli, Hudson Rodrigues, Souza, Felipe Ribeiro, Nader, Alizeibek Saleimen, Torres, Vidal Félix Navarro, Câmara, Taís Renata, Ortiz, Carlos Enrique Arroyo, Galery, Roberto

“…Abstract Mineral projects are composed of geological, operational and market uncertainties, and reducing these uncertainties is one of the objectives of…”
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Direct block scheduling technology: Analysis of Avidity by Souza, Felipe Ribeiro, Burgarelli, Hudson Rodrigues, Nader, Alizeibek Saleimen, Ortiz, Carlos Enrique Arroyo, Chaves, Leonardo Soares, Carvalho, Luiz Alberto, Torres, Vidal Félix Navarro, Câmara, Taís Renata, Galery, Roberto

“…Abstract This study is focused on Direct Block Scheduling testing (Direct Multi-Period Scheduling methodology) which schedules mine production considering the…”
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Classical and stochastic mine planning techniques, state of the art and trends by Torres, Vidal Félix Navarro, Nader, Beck, Ortiz, Carlos Enrique Arroyo, Souza, Felipe Ribeiro, Burgarelli, Hudson Rodrigues, Chaves, Leonardo Soares, Carvalho, Luiz Alberto, Câmara, Taís Renata, Zanetti, Eunírio, Galery, Roberto

“…Abstract Determination of the best possible ultimate pit for an open pit mine is a fundamental subject that has undergone a highly evolutionary process,…”
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