Impact of quality of iron ore lumps on sustainability of mining operations in the Quadrilatero Ferrifero Area

Gomes, Reinaldo Brandão; Tomi, Giorgio de; Assis, Paulo Santos

doi:10.1016/j.mineng.2014.09.019

Cited by 17 publications

(11 citation statements)

References 7 publications

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“…In this context, mining companies seek to reduce operating costs by controlling the diesel oil consumption. By applying techniques that reduce the use of supplies, the mining industry can become more economical and sustainable [22]. To understand the fuel consumption in mine transportation operations, one should not limit to the equipment mechanics.…”

Section: Fuel Consumption In Iron Ore Miningmentioning

confidence: 99%

Analysis of the Energy Efficiency of Diesel Oil Consumption in the Brazilian Iron Ore Mining Company

Fernandes¹,

Leal²,

Figueiredo³

et al. 2018

JPEE

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This paper aims to evaluate the diesel oil consumption between 2008 and 2015 in the production of iron ore in Brazil, creating correlations between energy intensity (production), economy and checking the impact of fuel prices on the commodity. During the analyzed period, the years 2008-2009 indicated economic crises, which interfered in the price and the commercialization of iron ore products. The physical intensity was 0.2% higher than the economic intensity. In the period from 2010 to 2014, economic activity remained more stable, with a decreasing trend, mainly due to the increase of iron ore prices. The physical intensity is much higher than the economic intensity influenced by the expansion of the Chinese economy. The year of 2014 indicated the end of the high iron ore price cycle and the beginning of supply and demand stabilization with consequent reduction in prices. In 2015, the market entered the stabilization phase, with a continuous reduction in unit production costs and transportation logistics. There was an abrupt change due to the strong increase of the economic intensity due to the fall of the international prices of iron ore. The diesel oil consumption plays a vital role in the scenario of cost reduction in iron ore production and a deeper analysis must be done in order to discover some options to change the energy matrix.

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Section: Fuel Consumption In Iron Ore Miningmentioning

confidence: 99%

Analysis of the Energy Efficiency of Diesel Oil Consumption in the Brazilian Iron Ore Mining Company

Fernandes¹,

Leal²,

Figueiredo³

et al. 2018

JPEE

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show abstract

“…Activity drivers appoint activity costs to products based on the utilization for each activities. The key to accurate cost measurement is the correct distribution of the cost drivers (Ai-hua et al, 2009;Gomes et al, 2015). Figure 1 shows the cost flow in the case study using the ABC approach.…”

Section: Appoint Activity Costs To Productsmentioning

confidence: 99%

Cost modelling of the product mix from mining operations using the activity-based costing approach

Cremonese

Tomi

Neves

2016

Rem: Rev. Esc. Minas

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This work adds the Activity-Based Costing Approach in mining operations with a product mix. After analyzing and collecting data from an aggregate mine located in Brazil, a cost model was built, and from that, a cost management and analysis methodology of a mine in operation is created. This work has the innovation advantages of using ABC as a tool for planning the operation of the mine, identifying the more profitable products. At the end, it is concluded that the creation of a cost model to be used in the operation of mining is a rewarding investment as it shows the profitable and unprofitable products.

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“…During initial studies, it is better to size the surge capacities that will address both plant utilization and capital efficiency. This is essential to improve the sustainability of future operations (Gomes et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

A high-level dynamic analysis approach for studying global process plant availability and production time in the early stages of mining projects

2017

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In the early stage of front-end studies of a Mining Project, the global availability (i.e. number of hours a plant is available for production) and production (number of hours a plant is actually operated with material) time of the process plant are normally assumed based on the experience of the study team. Understanding and defining the availability hours at the early stages of the project are important for the future stages of the project, as drastic changes in work hours will impact the economics of the project at that stage. An innovative high-level dynamic modeling approach has been developed to assist in the rapid evaluation of assumptions made by the study team. This model incorporates systems or equipment that are commonly used in mining projects from mine to product stockyard discharge after the processing plant. It includes subsystems that will simulate all the component handling, and major process plant systems required for a mining project. The output data provided by this high-level dynamic simulation approach will enhance the confidence level of engineering carried out during the early stage of the project. This study discusses the capabilities of the approach, and a test case compared with standard techniques used in mining project front-end studies.

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Impact of quality of iron ore lumps on sustainability of mining operations in the Quadrilatero Ferrifero Area

Cited by 17 publications

References 7 publications

Analysis of the Energy Efficiency of Diesel Oil Consumption in the Brazilian Iron Ore Mining Company

Analysis of the Energy Efficiency of Diesel Oil Consumption in the Brazilian Iron Ore Mining Company

Cost modelling of the product mix from mining operations using the activity-based costing approach

A high-level dynamic analysis approach for studying global process plant availability and production time in the early stages of mining projects

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