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Natural uranium is a crucial resource for clean nuclear energy, which has brought significant economic and social benefits to humanity. However, the development and utilization of uranium resources have also resulted in the accumulation of vast amounts of uranium mill tailings (UMTs), which pose a potential threat to human health and the ecological …
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The total results make contribution to the resource of pyrite tailings, which are also benefit to the development of novel effective and economic medium for BAFS in the advanced treatment of wastewater.
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DOI: 10.1016/j.scitotenv.2016.04.192 Corpus ID: 205114592; A two-step flocculation process on oil sands tailings treatment using oppositely charged polymer flocculants. @article{Lu2016ATF, title={A two-step flocculation process on oil sands tailings treatment using oppositely charged polymer flocculants.}, author={Qiuyi Lu and Bin Yan and …
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Remining the Mogale Gold tailings storage facilities is expected to add about 50 000 oz/y of production over its 13-year life-of-mine (LoM). The project entails low unit-cost hydromining, with low ...
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Here, we reported a novel non-sintered ceramsite prepared with pyrite tailings (PTNC) as the main active raw material for phosphorus control, and the dosage effect of …
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DOI: 10.1016/J.MINENG.2014.01.018 Corpus ID: 96620110; Current state of fine mineral tailings treatment: A critical review on theory and practice @article{Wang2014CurrentSO, title={Current state of fine mineral tailings treatment: A critical review on theory and practice}, author={Chen Wang and David Harbottle and Qingxia Liu and Zhenghe Xu}, journal={Minerals Engineering}, …
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Despite being widely used in tailings treatment, polyacrylamide continues to face performance challenges. In this study, two commercial polyacrylamides with different molecular weights were used ...
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The gold mill tailing treatment process is the process that fulfills the function of pumping the waste from the leached pulp treatment process towards the plant's residues deposit . It pushes gold mill tailings thickener waste, which is the last stage of the counter-current decantation circuit used to recover mineral ore, toward a tailings ...
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Outotec has a well-proven treatment process for tailings using the fluid bed roasting process, which can generate multiple revenue streams. The capacity of pyrite roasting plants has been in the past designed up to about 1000 tpd of concentrate in one fluid bed roaster.
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Pyrrhotite, as an iron sulfide with a lower sulfur content over pyrite, can also be produced during the thermal treatment of sulfidic mine tailings. Pyrrhotite is a valuable …
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With the development of industry and agriculture, eutrophication caused by increasing amounts of phosphorus in the environment has attracted people's attention. On the other hand, copper tailings ...
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Based in the state of Minas Gerais, Brazil, Agera receives the sand produced from the treatment of tailings at Vale's iron-ore operations in the state and promotes its commercialisation and distribution. Vale began producing Sustainable Sand in 2021 after seven years of research as a substitute for sand extracted from the environment. Since ...
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For example, typical coal preparation plants discharge 75–120 kg of dry tailings per tonne of coal processed.These tailings are in the slurry form, with total solid contents ranging between 20% and 35% (w/w) (Ryu et al., 2008, Beier and Sego, 2009, Murphy et al., 2012).In 2002, the U.S. National Research Council estimated that 70–90 million tonnes of tailings were …
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Evaluation of pre-treatment methods for gold recovery from refractory calcine tailings November 2022 Journal of the Southern African Institute of Mining and Metallurgy 122(10):1-10
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One of the most significant challenges that the mining industry is facing today is dealing with residual minerals, the so-called mining tailings. Simply put, tailings are all the minerals discarded in the beneficiation …
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DOI: 10.1166/SAM.2019.3512 Corpus ID: 199651943; Utilization of Flotation Phosphate Tailings and Water Treatment Sludge in Cemented Paste Backfill Based on Phosphate Tailings
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of tailings treatment, with technology that gives you high separation rates, dry solids and clean water for reuse. We use high-grade materials such as tung-sten carbide, stainless steel and super duplex, and offer solutions for both high and low pH values. Due to their specially
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The results suggest that acid leaching can be an effective approach for processing old flotation tailings, which allows the extraction of base metals from these wastes and the treatment of flotation tailings for subsequent …
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Affiliations 1 School of Water Resources and Environment and Research Center of Environmental Science and Engineering, Sino-Hungarian Joint Laboratory of Environmental Science and Health, Beijing Key Laboratory of Water Resources & Environmental Engineering, China University of Geosciences (Beijing), 29 Xueyuan Road, Haidian District, Beijing, 100083, China. …
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Mine tailings are the byproduct of mining activities, which need to be disposed of once the minerals in the ore are extracted. They can be disposed of in either dry or wet forms. The latter is most common, with the tailings being disposed of in the form of slurry inside retention structures. The retention structure may be a natural or manmade dam, with a …
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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 …
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However, present studies on the occurrence of ARG in microbial treatment tailings are still scarce because most of the ARG research has been focused on antibiotic issues in tailings after phytostabilization or without any treatment (Nosalova et al. 2022; Yi et al. 2023). A better understanding of the linkage of ARGs and MRGs in tailings with ...
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Tests on oil sands tailings are underway in tanks at Western University in London, Ontario. "We're running a process optimization program, refining our treatment techniques," said Clare Armstrong, manager of research and development at ElectroKinetic Solutions (EKS), a company exploring the use of EKR for oil sands tailings treatment. "We …
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A review is designed to innovate a sustainable solution for the treatment of mine tailings using bioremediation and phytoremediation. It emphasizes on achieving the geochemical stability of tailings through the establishment of microbes or plants. It highlights the gaps in achieving the geochemical stability of tailings. Lack of nutrients and low pH discourage the …
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The physical-chemical strategies of conventional technologies, such as constructed barriers were implemented to prevent the further spreading of tailings, but are limited by their high costs (approximately 100–500 $/ton) (Cristaldi et al., 2017).Phytoremediation are also limited because the acidification conditions of tailings may inhibit the survival of native plants (Zhou …
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Load-and-haul mining will be used to extract resources from the smaller North Sands and South Sands tailings dumps. The re-mined tailings will be processed in a CIL plant of similar design to the Elikhulu operation, with an …
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After 7 d, the UCS of the tailings was only 0.05 MPa, when the CT were still in a loose state. After 28 d, the UCS value reached 0.74 MPa, and the compressive strength was greatly improved. After the MICP treatment, the loose tailings were cemented into a whole, and the mechanical strength was significantly improved.
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Site management, treatment and remediation at tailings dams can prove to be very complex and challenging issues. The environmental and economic losses can be enormous if things go wrong. For ten years ViroMine Technology has been used at tailings dams worldwide for the safe and effective treatment of mining waste products. Dr Lee Fergusson explains how
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