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2021/07/20Use of mine tailings
Mine Tailing - an overview ScienceDirect Topics
The properties and durability of mine tailings-based geopolymeric masonry blocks. S. Ahmari, L. Zhang, in Eco-Efficient Masonry Bricks and Blocks, 2015 13.1 Introduction. Mine tailings (MT) are pulverized rock that remains after the valuable metal-bearing minerals have been extracted in
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Reuse of Mine Tailings as an Alternative for the Manufacture of ...
2 之 The mine tailings blocks were subjected to temperatures of 1200°C, resulting in an
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A review on complex utilization of mine tailings: Recovery of rare ...
2024/6/1 Historically, safe containment has been the main goal of tailings management.
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Recent practices in mine tailings’ recycling and reuse
2023/1/1 Geopolymers, ceramics, bricks, and supplementary cementitious materials are
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Recycling and Reuse of Mine Tailings: A Review of
2022/8/27 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
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Recycling and Reuse of Mine Tailings: A Review of
2022/8/27 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 legacy of environmental damage from ...
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Use of iron mine tailing as fillers to polyethylene
2021/3/29 The iron mine tailings accumulation in dams is an environmental and economic problem. The composite based on high-density polyethylene/iron mine tailing production for the application of wood ...
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(PDF) Use of Gold Mine Tailings in Production of
This study investigated the use of Philex copper-gold mine tailings (PCGMT) in roller compacted concrete (RCC) production, a mining waste material consisting of finely grinded siliceous particles was obtained from Tailings Pond number 2
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Alternative Use of Tailings and Waste
2024/12/4 Australia produces large volumes of mine waste across a range of commodities, as tailings, waste rock and pyrometallurgical wastes. This is a growing problem with the volume of tailings expected to double by 2035, as
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Synthesis, characterization, and efficacy of alkali-activated
The use of mine tailings for the production of AAMs also reduces the energy and infrastructure requirements associated with the production and transportation of PC. 9.2. Economic impacts. Transforming a waste product into a valuable construction material represents a direct economic benefit. Instead of bearing the cost of waste disposal ...
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Potential use of mine tailings and fly ash in concrete
Potential use of mine tailings and fly ash in concrete spheres act as a form of ball bearing that aids the flow of the concrete (Morotta 2005). This improved workability allows for water-to-cement ratios, which later leads to higher compressive strengths (Mindess et al. 2003). In the hardened state, fly ash contributes in a number of ways,
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The Potential Re-Use of Saudi Mine Tailings in - ProQuest
The re-use of tailings in mine backfill also reduces the cost of mining waste disposal in dumps [39]. Optimizing backfill systems from preparation to placement while considering capital, operating, and maintenance costs is critical to supporting a sustainable mining operation. Poor backfill system design can drive up costs and jeopardize the ...
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(PDF) Sustainable use of mine waste and tailings with suitable ...
2018/6/1 Utilization of mine waste rocks and tailings in concrete as aggregates will help in sustainable and greener development. The literature shows the potential use of iron ore tailings as a ...
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Tailings - Wikipedia
In mining, tailings or tails are the materials left over after the process of separating the valuable fraction from the uneconomic fraction of an ore.Tailings are different from overburden, which is the waste rock or other material that overlies an ore or mineral body and is displaced during mining without being processed.. The extraction of minerals from ore can be done two ways: placer ...
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Utilizing gold mine tailings to produce sintered bricks
2021/5/3 The chemical compositions of the gold mine tailings and clay were determined through the X-ray Fluorescence Spectrometer (XRF) (ADVANT’ XP+, Thermo Electron). The results are shown in Table 1. As shown in Table 1, the main chemical components of the gold mine tailings were SiO 2, Fe 2 O 3, Al 2 O 3, CaO, and MgO.
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2019/12/11 A study of the application of mine tailings as precast construction materials through alkali activation has been carried out, focusing on efficiently activating mine tailings, reducing alkali consumption, decreasing curing time and improving compressive strength. Firstly, the effect of temperature on the alkali activation of mine tailings was studied. Secondly, the
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Recycling and Reuse of Mine Tailings: A Review of Advancements
2022/8/12 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 legacy of environmental damage from ...
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The Potential Re-Use of Saudi Mine Tailings in Mine Backfill: A
2021/5/31 The re-use of tailings in mine backfill also reduces the cost of mining waste disposal in dumps . Optimizing backfill systems from preparation to placement while considering capital, operating, and maintenance costs is critical to supporting a sustainable mining operation. Poor backfill system design can drive up costs and jeopardize the safety ...
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The Potential Re-Use of Saudi Mine Tailings in Mine Backfill: A
2021/5/31 The re-use of tailings in mine backfill also reduces the cost. of mining waste disposal in dumps [39]. Optimizing backfill systems from preparation.
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Mine tailings-based geopolymers: Properties, applications and ...
2021/7/1 The use of mine tailings (MTs) as aggregates or precursors of alkali-activated materials and geopolymers (GPs) seems to be a promising approach for their sustainable utilization since it allows not only reducing the dynamics of MTs accumulation in the environment and the environmental damage they cause but also it combines the advantages geopolymer
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Recycling and Reuse of Mine Tailings: A Review of
2022/8/12 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 legacy of environmental damage from ...
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The Potential Re-Use of Saudi Mine Tailings in Mine
2021/5/31 The re-use of tailings in mine backfill also reduces the cost of mining waste disposal in dumps . Optimizing backfill systems from preparation to placement while considering capital, operating, and maintenance costs is
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The Potential Re-Use of Saudi Mine Tailings in Mine
2021/5/31 The re-use of tailings in mine backfill also reduces the cost. of mining waste disposal in dumps [39]. Optimizing backfill systems from preparation.
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Mine tailings-based geopolymers: Properties, applications and ...
2021/7/1 The use of mine tailings (MTs) as aggregates or precursors of alkali-activated materials and geopolymers (GPs) seems to be a promising approach for their sustainable utilization since it allows not only reducing the dynamics of MTs accumulation in the environment and the environmental damage they cause but also it combines the advantages geopolymer
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A review of circular economy strategies for mine tailings
2022/4/30 The use of the mine tailings may be defined here as their use as such, in their original form, without any reprocessing. In this case, the mine tailings are typically used at the mining site (Kauppila et al., 2011) or in the close vicinity of the mining site for civil engineering purposes (Kinnunen et al., 2018).
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CHAPTER II MINE TAILINGS 4 FACILITIES: OVERVIEW 3 2
Mine tailings management is a long-term process that starts well before any tailings are produced (Figure 2). It can be difficult to estimate the ‘typical’ cost of building, operating and closing a tailings storage facility as it depends on many factors, but examples
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Use of Secondary Gold Tailings as Fine Aggregate in Concrete
Gold mine tailings, residual waste from gold extraction, are reprocessed globally to meet mineral demand. In South Africa, 25 years of reprocessing has led to the creation of “secondary gold mine tailings,” generating 105 million tons annually with cumulative stockpiles exceeding 1.7 billion tons [1, 2].Tailings disposals pose challenges such as extensive land coverage, costly construction ...
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A Review of Sustainable Management of Mine Tailings
2015/7/1 The excavated/dredged waste materials are called nickel mine waste [1]. On the other hand, mine tailings are waste materials produced as byproducts of milling metallic ores [6].The tailings ...
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Use of real options to enhance water-energy nexus in mine tailings ...
2021/12/1 Proper mine tailings management can optimize the use of water, as well as the use of energy. This article aims to evaluate the water-energy nexus (WEN) in copper mining plants, focusing on tailings facilities to find out about the trade-offs between water and energy and propose a framework for sustainable mine tailings management.
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Application of biochar on mine tailings: Effects and perspectives
2011/5/1 Mine tailings represent a source of toxic pollutants, mainly heavy metals, which may spread to the surrounding areas. Phytostabilization, a long-term and cost-effective rehabilitation strategy, can be achieved by promoting the establishment of vegetation to reduce the risk of pollutant transfer. In this work, the application of pyrolyzed ...
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Use of sludge stabilization products for remediation of heavy
2024/5/15 The development of sustainable strategies for metal-contaminated mine tailings remediation has received considerable attention. Given that physical and chemical remediation methods are too costly, environmentally disruptive and soil structure and biodiversity damaging [5], in situ remediation techniques such as organic amendments application are gaining
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Compositional properties and geotechnical behavior of mining tailings
2024/11/28 Balancing these benefits and challenges is key to advancing the sustainable use of mine tailings in construction. Future work. Future research should further investigate the geotechnical behavior of several types of mining tailings, considering the variability in their chemical and mineral compositions. These factors can have a significant ...
获取价格Sustainable use of mine waste and tailings with suitable
• Fe-rich tailings mixed with fly ash and sewage sludge as lightweight ceramics • Energy recovery from compost-coal tailings mixtures • Phlogopite-rich tailings for sewage treatment • Phosphate-rich tailings for the extraction of phosphoric acid • Ultramafic tailings for the production of
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Innovative use of copper mine tailing as an additive in cement
2023/7/1 Despite the fact that just a small number of researches have been published on the topic of mine tailing, it has been shown that mine tailings can be successfully used in building [[30], [31], [32]].In 1993 it was claimed that phosphate mine waste might be used productively as an aggregate substitute in concrete [33].The successful use of gold and iron ores, produced in
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