Towards mine tailings valorization: Recovery of critical …

Tailing storage facilities (TSF), also called tailing deposits, are the source of most mining-related disasters (berger, 2016).Approaches to the handling and storage of mine tailings include riverine disposal, wetland retention, backfilling, dry stacking and storage behind damned impoundments (Kossoff et al., 2014).Mine tailings dam failures can have catastrophic …

Tailings potential: recovering metals from mine waste streams

Jowett, who has been working in mine tailings research in the US and Australia for more than a decade, is leading a programme at the university to catalogue and characterise around 20,000 mine sites in the state that are at least 30 years old. The team has applied for a grant with Rio Tinto to explore its Kennecott mine and the US Department of ...

Valuing Acid-Generating Mine Tailings | SpringerLink

With the stoichiometry of Eqs. to (), it is possible to estimate the amount of hydrogen gas that will be produced in this cell as well as the resulting amount of iron sulfate salts from the subsequent concentration and crystallization stages of the processKnowing that the cell potential is 0.44 V for this electrode chemistry [] and that the charge carried by each electron is …

Investigating tailings dumps for in-demand minerals

US State geology department the US Geological Survey (USGS) has invested more than $2-million into studying the potential to source critical mineral resources in mine waste such as mine tailings ...

Estimating processing cost for the recovery of valuable …

Nowadays, the mining industry faces great economic, social, and environmental challenges (Moran et al., 2014).The major issues are water scarcity, energy supply, decrease in the ore grade, and generation and disposal of waste (Marín et al., 2020).The mining industry is the largest waste producer worldwide, accounting for between 5 and 7 billion tons per year …

MANAGEMENT OF TAILINGS: PAST, PRESENT AND …

ion of short-term capital costs (Williams 2014). While the best practices in the industry have moved beyond the NPV approach, with a growing number of owners and jurisdictions now …

Accessing the growth potential of tailings retreatment and …

This emerged during a Creamer Media webinar, 'Untapping the growth potential of tailings retreatment and rehabilitation', held on April 10, which was facilitated by Stellenbosch University ...

Recovery of strategically important critical minerals from mine tailings

Abandoned mine tailings have higher concentration of SICMs than some primary ores. ... This was due to excess production relate to consumption and reduced prices of Li. The global production of Li stayed at 82,000 tons at the end …

Chemical composition of copper mine tailing and conventional …

The mass attenuation coefficients (MAC) in the intermediate to high gamma energy range of 662–1332 keV were as follows: gold-mine tailings > ferronickel slag > copper-mine tailings > nickel mine ...

Recycling Mine Tailings for a Sustainable Future Built Environment

The specific gravity of the mine tailings was between 2.7–4.29, and the particle size of mine tailings varied amongst cement sized, silt sized and sand sized particles . The water absorption was reported to be up to 7.15% [ 10 ] and pH values of the tailings were in near neutral or slightly alkaline region generally ranging between 6.69–10 ...

Process effluents and mine tailings: sources, effects and

Increasing population levels, growing economies, rapid urbanization and changes in consumption patterns have increased the demand for raw materials such as base and precious metals, leading to growing concerns regarding their availability and the global efficiency of the mine supply chain. Mine tailings, consisting of process effluents that are generated in a …

A unified metric for costing tailings dams and the …

The work can be grouped into two categories: (1) discussion of the costing of tailings failure risk into tailings decisions or mine valuation (Armstrong et al., 2019a; Bowker and Chambers, 2015, 2017; Burritt and Christ, 2021) and (2) analysis and comparisons of different tailings management options (Araya et al., 2021; Carneiro and Fourie, 2020).

Solutions to Significantly Reduce Tailings Waste and Risks

Those changes will include tailings reductions, and with them a reduction in risks, as the face of mining changes and grows more efficient. The key is to pursue active innovation. This most often requires co-development of technology between companies and organizations, especially at the execution level.

Unlocking the potential of microbes: biocementation technology for mine

Mine tailings contain finer particles, crushed rocks, dugout-soil, water, and organic and inorganic metals or metalloids, including heavy metals and radionuclides, which are dumped as waste or non-economic by-products generated during mining and mineral processing. These abundant and untreated materials seriously threaten the environment, human health, and …

Recycling and Reuse of Mine Tailings: A Review of …

It reached 7 billion tonnes of mine tailings generated yearly world- wide, and 19 billion solid tailings will be accumulated by 2025. Adding to this, the legacy of envi- 15,000 by …

Circular Economy in Tailings Management | Mine Water …

Tailings size distribution can be modified to greatly reduce surface storage area and the risk of catastrophic tailings dam failures. Total flotation and backfill technology can even be used to store the tailings underground. In Peru, dynamic neutralization and coagulation technology uses fine tailings as neutralizing and coagulating agents for acid effluent …

New Technologies on Mine Process Tailing Disposal

The higher cost of the unit price of the tailing disposal method using geotextile method was attributed to the high cost of geotextile material. Key words: Mine tailing, tailing dam, surface paste disposal, geotextile material. 1. Introduction Great amounts of tailings are formed in the world due to increasing mining activities along with the

Estimating processing cost for the recovery of valuable …

The results show that a plant that processes mine tailings to recover vanadium pentoxide (V 2 O 5) via hydrometallurgical processes would incur a processing cost of 6,218 …

Mining & Mineral Processing Southern Africa

Mine tailings are the waste materials generated during the mining process, which often contain a mixture of crushed rocks, chemicals, and potentially hazardous materials such as heavy metals, asbestos, and radioactive materials. These tailings are typically stored in large piles or ponds near the mine site. The composition of mine tailings can vary depending on the type …

A review on complex utilization of mine tailings: Recovery of …

Historically, safe containment has been the main goal of tailings management. Disposal has taken place in sizable surface impoundments that are enclosed by dams or embankments, as well as in subterranean workings and unnatural depressions [10], [11].However, the environment and communities are seriously endangered by the inappropriate management …

A review on complex utilization of mine tailings: Recovery of …

Metal prices and demand - Higher prices and rising demand for critical metals like REEs improve project economics by increasing potential revenues. Prices for key metals like …

Recycling and Reuse of Mine Tailings: A Review of …

Mining is an important industry, accounting for 6.9% of global GDP. However, global development promotes accelerated demand, resulting in the accumulation of hazardous waste in land, sea, and air environments. It reached 7 billion tonnes of mine tailings generated yearly worldwide, and 19 billion solid tailings will be accumulated by 2025. Adding to this, the …

Processing Tests, Adjusted Cost Models and the …

TSF near Taltal (Google Earth) with drilling locations. The tailings have their maximum thickness (15 m) in the northern area (TT 122 to TT 124), where samples were taken up to a depth of 11 m and ...

Mining Still Seeking Solutions to Tailings Dangers

Jonathan Price, CEO of Teck Resources, a Canadian mining firm, says: "We're investing heavily in new technologies like high-pressure filtration and dry-stacking to minimise risks associated with conventional tailings dams." ... Current global tailings facilities include the Grasberg mine in Indonesia, storing over 1 billion tonnes of tailings ...

Socio-Environmental Risks Linked with Mine Tailings …

Typical particle size distribution curve and electronic microscope image of mine tailings. Mine tailings must be stored in a safe and controlled manner in a tailings storage facility where there is a containment dam and a reservoir area for the storage of these mining wastes [].In addition, it is important to highlight that the management of water that has come into contact with the mine ...

Profile of Bacterial Communities in Copper Mine Tailings …

Mine-tailing dumps are one of the leading sources of environmental degradation, often with public health and ecological consequences. Due to the complex ecosystems generated, they are ideal sites for exploring the bacterial diversity of specially adapted microorganisms. We investigated the concentrations of trace metals in solid copper (Cu) mine tailings from the …

Mine Tailings: The Cornerstone of Safe Mining Operations

Mine Tailings: The Cornerstone of Safe Mining Operations In the mining industry, where precious minerals and resources are extracted from the depths of the earth, a significant byproduct arises - mine tailings. These tailings demand rigorous management strategies to safeguard the environment, surrounding communities, and the long-term ...

In-Pit Disposal of Mine Tailings for a Sustainable Mine …

In the future, many tailings storage facilities (TSFs) could go into disuse if one considers the price of metals, new uses for metals that are no longer valuable, and the application of new, more ...

The Tailings Center – Education | Research | Management

The Tailings Center is an industry/university research and education center formed as a collaboration by the Colorado School of Mines, Colorado State University, and the University of Arizona.The Center focuses on education, research, and …

(PDF) Mine tailings dams: Characteristics, failure, …

Tailings' Dams are mining waste impounding structures. They differ from conventional dams in purpose, design and operation. ... 2008). Furthermore, there is historical evidence that periods of increasing metal prices correlate …