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Master's Dissertation
DOI
https://doi.org/10.11606/D.3.2009.tde-03072009-150534
Document
Author
Full name
Mara Gilene Alves de Carvalho
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2009
Supervisor
Committee
De Tomi, Giorgio Francesco Cesare (President)
Caranassios, Adriano
Ferreira, Flávio Moreira
Title in Portuguese
Estratégia ambiental pró-ativa: sequenciamento de lavra concomitante com a disposição de estéril dentro da mina.
Keywords in Portuguese
Meio ambiente
Mineração
Abstract in Portuguese
Este trabalho propõe uma metodologia inovadora de seqüenciamento de lavra em minério de ferro a qual, além de considerar os parâmetros operacionais e econômicos das técnicas tradicionais, permite uma abordagem ambiental proativa para sequenciar a lavra de forma a antecipar a exaustão de parte da cava para disposição do estéril dentro da cava final. A metodologia proposta de seqüenciamento ordenado de lavra permite reduzir a área degradada a ser reabilitada na mina, com significativos benefícios associados à reducão do impacto ambiental, sem comprometer as metas de produtividade e competitividade econômica da lavra. A metodologia de seqüenciamento ordenado de lavra foi aplicada em um estudo de caso de projeto de lavra de minério de ferro, e os resultados alcançados comprovaram os benefícios esperados com a aplicação da metodologia proposta.
Title in English
Proactive environmental strategy: mine sequence concomitant with in pit waste dumping.
Keywords in English
Iron ore mining
Mine scheduling
Mining environmental impact
Open pit mining
Abstract in English
This paper presents a innovative approach for an environmentally pro-active mine scheduling process. The proposed methodology has been developed for identifying a mine sequence that meets all operational and economical constraints in iron-ore mining, and takes into account a pro-active approach for scheduling the mine according to environmental criteria. The proposed methodology allows a significant reduction of the environmental impact related to the mining operation without compromising productivity and the economical feasibility of the mine. The methodology has been applied to a case study of iron ore mining in Brazil, where the expected benefits have been proven.
 
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Publishing Date
2009-07-13
 
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