Mining tailings and alkali activation: a comprehensive …
Table 6 Publications that used gold mine tailings coupled with the alkali activation process (10 most cited) Full size table Finally, it is relevant to emphasize the importance of identifying the materials most used, as well as mapping the main research focuses, in order to allow the identification of gaps, areas, and research trends.
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Mine Tailings: The Cornerstone of Safe Mining Operations
In mining, tailings refer to the residual waste material that remains after the desired minerals have been separated from the ore during the mining process. These typically consist of finely ground rock particles, water, and traces of chemicals used in the …
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The Tailings Center
Sustainable management of mine waste requires an experienced and multidisciplinary team of trained engineers to design, construct, operate and monitor Tailings Storage Facilities (TSF) from conceptualization through closure. Historically, tailings engineers have received on-the-job training in mine waste management. There is a critical need to build …
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Tailings facility failures in the global mining industry: Will a
Our study comprises four tasks, summarised in Table 1. The first task is to clarify the target of transparency in tailings management. For this, we use the GTR Standard as a reference point. Our second task is to understand existing public disclosure requirements in voluntary standards and schemes endorsed by the global mining …
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Bioprospection of indigenous flora grown in copper mining tailing …
Copper mining tailing samples were taken at a mean distance of 0.335 km, and were collected only within the copper mining tailing area, as shown in Fig. 1. All samples were air-dried (one week), ground and sieved (3 mm) prior to analysis ( Table 1 ).
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Numerical Simulation of Geophysical Models to Detect Mining …
The effective detection and monitoring of mining tailings' leachates (MTLs) plays a pivotal role in environmental protection and remediation efforts. Electrical resistivity tomography (ERT) is a non-invasive technique widely employed for mapping subsurface contaminant plumes. However, the efficacy of ERT depends on selecting the optimal …
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Gravity Separation of Zinc Mine Tailing Using Shaking Table …
Since hematite and dolomite particles have different densities, 5.25 and 2.87 g/cm 3, respectively, and that method requires less energy, this paper aims to concentrate hematite from a zinc mining tailing composed of 3% SiO 2, 7% Fe 2 O 3, and 90% CaMg(CO 3) 2 through gravity separation using shaking table.
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Recycling and Reuse of Mine Tailings: A Review of …
some types of mine waste, their classifications, and disposal options [30–33]. Table2shows the main applications of mine tailing identified in the articles. Table 1. Characterization of mining waste [30–33]. Types of Mining Waste Physical Classification of Residues Environmental Classification Disposal Options Rock waste …
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Geoenvironmental Characterization of Sulfide Mine Tailings
Spain has a long mining tradition dating from pre-historic times up to the present day. The cessation of mining activity has generated a large amount of mine wastes, most of which represent geochemical hazards. Mine tailings are watery sludge composed of medium-to-fine-grained material, resulting from grinding and mineral …
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Tailings Management Online Course | Professional Certificate for Mining
Course overview. AusIMM, in conjunction with leading experts in the mining industry, has developed the Professional Certificate in Tailings Management. Featuring internationally-renowned tailings experts and case studies, the course will cover geotechnical, geochemical, governance, closure and socio-economic considerations of …
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A new look at the statistics of tailings dam failures
Tailing dams built using the upstream construction method turn out to be more prone to failure, and more susceptible to static and dynamic liquefaction. ... The disclosure questions were developed in consultation with independent technical advisors, industry experts, and four mining companies. A table providing the full list of questions …
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How to manage tailings efficiently and economically
Tailings dewatering – The high capacity VPX™ from enables up to 90% water recovery in tailings, with a cake moisture content below 7%. IPS thickeners use less of flocculants, or ...
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Mine Tailing Particles: Roundness and Sphericity …
A typical mine tailing particle digital image is presented in Fig. ... Table 1 was used as an aid in assigning the mine tailing grains to a specific category. The average roundness value was 0.29, which corresponds to the subangular. These grains have slightly rounded corners and blunted edges due to the extraction process.
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Characterization and Potential Usage of Stabilized Mine …
Similarly when mine tailing is mixed with 8% lime, there is an increase in strength but not as significant as observed with cement mixed tailings (see Table 7, mix IDMT/8/0/0). However when mine tailing is mixed with cement, lime, and fly ash, maximum UCS value was about 1801.17 kN/m 2 after 28 days curing period and 3857.06 kN/m 2 …
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Mine tailings dams: Characteristics, failure, environmental impacts
Tailings are mixtures of crushed rock and processing fluids from mills, washeries or concentrators that remain after the extraction of economic metals, minerals, mineral fuels or coal from the mine resource (e.g., Fig. 1 a; Hudson-Edwards et al., 2001, Younger and Wolkersdorfer, 2004, Lottermoser, 2007).The word 'tailings' is generic as it …
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Life cycle cost estimation and environmental valuation of coal mine …
Tailings, categorized as mine waste, are among the materials that might contribute to environmental contamination, as presented in Table 1. In coal mining, tailings are generated from fine coal, which represents about 10–20% of the Coal Handling and Preparation Plant (CHPP) feed (Honaker et al., 2013, Kumar et al., 2014). There are two …
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Tailings facility failures in the global mining industry: …
Open Access. Tailings facility failures in the global mining industry: Will a 'transparency turn' drive change? Deanna Kemp, John R. Owen, Éléonore Lèbre. First published: 06 August 2020. …
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Thickeners | Mining Tailings Dewatering
Thickener. 【Capacity】 1.3-1440 t/d. 【Application】 Thickener is suitable for dewatering concentrates and tailings in the mineral processing plant. It is widely used in metallurgy, chemical, coal, non-metal ore dressing, environmental protection, and other industries. The high-efficiency thickener is not only a liquid-solid separation ...
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Recycling and Reuse of Mine Tailings | Encyclopedia MDPI
Table 2 shows the main applications of mine tailing identified in the articles. Table 1. Characterization of mining waste . Types of Mining Waste Physical Classification of Residues Environmental ... According to Table 1, mining waste can present itself as rock waste from the bedrock that has been mined and transported out of the pit. However ...
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Tailings | SpringerLink
1 Altmetric. Abstract. At nearly every metal mine site, some form of mineral processing occurs, and tailings are being produced. In metal mining, the extracted ore …
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New Technologies on Mine Process Tailing Disposal
New Technologies on Mine Process Tailing Disposal 64 reported as of 2012. Some of the environmental problems caused by tailing dams are presented in Table 1 [3-6]. As seen in Table 1, the accidents that may lead to big catastrophes for the environm ent and human health can take place unless sustainable, appropriate, correct, and
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Work accidents which become disasters: mine tailing dam …
The recent Vale S.A. dam failure in 2019 is one of the most serious work accidents ever in Brazil and is becoming a milestone for mining risk management systems in the country. It is characterized as an incident with irreversible and hard-to-manage intensive and direct impacts on workers and extensive impacts in space and time.
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Risk Assessment of Heavy Metal in Farmlands and Crops Near Pb–Zn Mine
Table 4 shows that the concentrations of heavy metals in the water bodies did not exceed the national surface water quality ... Pan showed that the reason for the alkaline nature of the water in the Oxnard tailing pond mine is mainly related to the neutralizing and buffering effect of carbonate rock on the acidic wastewater produced by ...
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Strengths and Weaknesses of a Hybrid Post-disaster
The mining industry has experienced several significant impoundment failures over the past 30 years (Davies 2002; Rico et al. 2008) (Table 1).Tailing dam failures account for roughly 75% of mining-related environmental disasters worldwide (MMSD 2002).While there is considerable literature on the geotechnical aspects of dam …
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Physical, mechanical, cracking, and damage properties of mine …
The basic geotechnical characterizations of the MTs, which are shown in Table 1, included a low liquid limit (22.80%), a low plasticity ... Damage evaluation and deformation behavior of mine tailing-based Geopolymer under uniaxial cyclic compression. Ceram. Int., 47 (2021), pp. 10773-10785. View PDF View article View in Scopus Google …
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Mining and Water Pollution — Safe Drinking Water …
3. Processing Chemicals Pollution. This kind of pollution occurs when chemical agents (such as cyanide or sulphuric acid used by mining companies to separate the target mineral from the ore) spill, leak, or leach from the mine site into nearby water bodies. These chemicals can be highly toxic to humans and wildlife. 4.
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Global Tailings Portal
This portal brings together all of the disclosures that mining companies have made about their tailings storage facilities. It gives communities, investors, regulators and the media unprecedented access to information about mine waste. 107. 311. 762. 1863.
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Evaluation of heavy metal contamination in copper mine tailing …
The PERI associated with each HM in mine waste soil analysed in the present study showed that all heavy metals had low ecological risk at the tailing dams of Kitwe and Mufulira (Table 6).
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PAPER OPEN ACCESS Processing and Refining of Tin …
listed in Table 1 [6]. Based on the data, it can be seen that the dominated strategic metal is rare earth group. Table 1. Monazite Composition from Tin Tailing Mining Compound wt, % YPO 4 5.28 ...
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An extensive review on restoration technologies for mining tailings
Tailing, in context to mining, is defined as the waste or non-economic by-product generated during mining activities, processing of minerals, and other materials that contain small amounts of residual valuable minerals, chemicals, water, and heavy metals (Adiansyah et al. 2015).Studies indicated that the process of mineral exploitation and …
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