Evaluation of heavy metal contamination in copper mine …
Study area. Two sites in Kitwe and one in Mufulira in the Copperbelt Province of Zambia were selected for this study (Fig. 1).Study sites were Cu and Co mining waste dumpsites and abandoned ...
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The Burning Truth Behind an E-Waste Dump in Africa
The Burning Truth Behind an E-Waste Dump in Africa. Ending the toxic smoke rising from an iconic dump in Ghana will take more than curbing Western waste. Adam Minter. January 13, 2016. A...
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Global Mining Dump Trucks Market Share, By Product …
The market research conducted by Global Mining Dump Trucks Market offers an in-depth analysis of the global market, with a focus on future projections. The report is divided into various segments ...
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Evaluation of the Tailings Storage Facility for the …
A key aspect of any mining project is the plan for the permanent storage of mine waste. The chief categories of mine waste are the waste rock (the rock that must be removed to reach the ore body) and the tailings (the crushed rock particles that remain after the concentrate has been removed from the ore).
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E-Waste in Africa: A Serious Threat to the Health of Children
At a national level, the e-Waste Association of South Africa (eWASA) was formed in 2008 to establish sustainable and environmentally friendly ways of managing e-waste. Its members include electronics manufacturers, importers, and retailers. eWASA has struggled to affect the import of e-waste in South Africa.
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Methodology for a dump design optimization in large …
The proposed methodology consists of: (1) Formulation of a dump model based on a system of equations relying on multiple relevant parameters; (2) Solves by minimizing the total cost using linear programming and determines a "pre-liminary" dump design; (3) Through a series of iterations, changes the "preliminary".
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Slope failures and safety index assessment of waste rock …
Dump slope failure has become a recurring incident in Nigeria's major mine sites while the visible signs of instability in Nigeria's waste rock dumps are the most dangerous situation. This paper aims to present intrinsic poor safety conditions of dump slopes in Nigerian mines. Twenty-one samples were collected from three mining …
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Full article: Development and application of a …
Development and application of a methodological tool for prioritization of rehabilitation of abandoned tailings dumps in the Giyani and Musina areas of South …
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(PDF) Riverine Disposal of Mining Wastes in Porgera: …
PDF | On Jun 19, 2018, Jerry K. Jacka published Riverine Disposal of Mining Wastes in Porgera: Capitalist Resource Development and Metabolic Rifts in Papua New Guinea | Find, read and cite all the ...
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Respiratory Health in a Community Living in Close Proximity …
1. Introduction. In South Africa, mining processes from the Witwatersrand gold basin have resulted in approximately 270 tailings storage facilities, more commonly referred to as gold mine waste dumps, or colloquially, mine dumps, around Johannesburg [1,2].Gold mine waste dump dust is fine, dry, tiny particles of earth matter that have been …
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Mine dumps in South Africa: an ownership dilemma
In terms of the Mineral and Petroleum Resources Development Act No. 28 of 2002 (" the MPRDA ") which came into effect on 1 May 2004 'mine dumps' are referred …
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Full article: E-waste management in Sub-Saharan …
Results reveal that most Sub-Saharan African countries had no recycling facilities and resorted to dismantling, burning, and acid leaching to recover precious …
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Optimization of the Excavator-and-Dump Truck …
2 Materials and Methods On the Tuva open pit of the Siberian Coal Energy Company (SUEK), Russian Federation, the Bucyrus-495HD excavator is used to develop overburden for dump trucks. It is equipped with a trapezoid-shaped bucket with a capacity of 41.3 m3 (Fig. 1). The loading of the rock is carried out in the BelAZ-75306 dump trucks with the
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Brownfield development is the new green for sustainable mine-dump
It is recommended that government. evaluate and consider incentive. redevelopment of brown eld. T ersia Venter • Brown eld development is the new green for sustainable mine-dump redevelopment ...
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(PDF) Topic : Mine Waste Dump Instability and Monitoring …
method(s) used to assess the short-term performance and safety of the waste dump. ICOMS 2020 INTERNA TIONAL CONFERENCE ON OPENCAST MINING TECHNOL OGY & SUST AINABILITY
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IOP Conference Series: Materials Science and …
determining the number of mining trucks using production capacity method and queue theory has been developed in [6] and [7]. Bajany et al. [8] developed an optimization model to determine transportation routes to minimize fuel consumption incurred by trucks and shovels in pit mining to minimize fuel cost.
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The restoration and rehabilitation of Iand and Soils …
Mining supplies raw materials necessary for the survival and socio-economic development of nations. Mining is only feasible, however, on areas with sufficient mineral deposits. Hence there are frequent confrontations between mining and traditional forms of land use. It happens often in the areas of agriculture and foresty as well as urban
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Open burning of waste in Africa: Challenges and …
top of that, the dump sites are emitting around 20% of the world's methane and 11% of black carbon – two potent short-lived greenhouse gases that must be slashed in order to limit the impacts of climate change. Around 70-80% of the municipal solid waste generated in African cities is recyclable – such
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Location of mine dumps tailings in South Africa
This result is in line with findings from earlier studies that claim coal mining in South Africa has worsened the country's water resources, agricultural land, air quality, and overall ecosystem ...
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Wafi Golpu DSTP, an alternative method to dump waste
The WAFI GOLDPU project is expected to start production this year, with annual production peaking in 2025, at 320, 000 ounces of gold and 150 000 tones of copper. The project is estimated to incur ...
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A review on the impact of mining operation: …
South Africa: Gold Mine Dump: Groundwater and stream: Uranium and other toxic metals (As, Cd, Ni, Pb, Zn, Hg) [81, 82] Korea: Soil: Cd, Co, Cu, Ni, Pb, and Zn [83] …
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Evaluation of Trace Elemental Levels as Pollution
In the Blesbokspruit area of Ekuhurleni, South Africa, previous gold mining activities resulted in many tailings dump sites. 20 representative soil samples were used in describing the distribution of metals. The soils were very strongly acidic ranging from 3.86 to 4.34 with a low cation exchange capacity (CEC). Based on X-ray fluorescence (XRF) …
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Optimization of the load-and-haul operation at an opencast colliery
In this study a load-and-haul fleet optimization approach has been used to identify the opportunities for operational improvement at an opencast colliery. The study combines the results of a ...
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Hazards identified and the need for The Author(s) 2015 …
acid mine drainage from mining operations and mine tailings dams and dumps contains a variety of toxic metals, some of which are found in high concentra-tions in soils surrounding mining areas in South Africa.26–28 There is a number of hazards associated with mining ofmineralsinSouthAfrica.Forexample,miningofMn,
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Dump Truck Market Report, Size, Share, Growth 2024-2032
The global dump truck market attained a value of nearly USD 52.24 billion in 2023, driven by the increased government spending on these vehicles' significant infrastructure. Aided by increasing mining activity and technical improvisation, the market is expected to witness further growth in the forecast period of 2024-2032, growing at a CAGR of 9.1%.
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Stability Analysis of Overburden Dump Slope—A Case Study …
Abstract. Open cast mining produces huge amount of overburden dump material and it is stored in the form of external overburden dump in pit dumping. Present investigation deals with stability analysis of overburden dump slope at Marki Mangli-I open cast coal mine. The stripping ratio of the Marki Mangli-I coal mine is 6.75 which is very …
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Waste Disposal Practices in Low-Income Settlements of South Africa
1. Introduction. In South Africa, municipal solid waste is rapidly increasing due to accelerated population growth, rapid urbanization, and economic activities, while municipal service delivery is struggling to keep up [1,2,3,4,5].While this waste stream commonly includes business waste, building and demolition waste, and garden refuse, it …
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A review on the impact of mining operation: Monitoring, …
Mining is very vital to the production of goods, services and infrastructure; it advances the quality of lives in the society. However, the possible hazard of waste and radioactivity generated by mining, dumping and tailing, has called on the society to find ways of seeking remedy that will adequately treat mining waste from mine dump, tailing …
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[PDF] Methodology for a Dump Design Optimization in …
Hybrid Model for Optimisation of Waste Dump Design and Site Selection in Open Pit Mining. Aleksandar Doderović Svetozar-Milan Doderovic Saša Stepanović M. Bankovic Dejana Stevanović. Environmental Science, Engineering. Minerals. 2023. Waste management is an unavoidable technological operation in the process of raw material …
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Feasibility of tailings retreatment to unlock value and create
Inferred estimations based on ordinary kriging (OK) and inverse distance weighted (IDW) methods put the residual Au resource in the Louis Moore tailings dump at 0.20 t.
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