mineralogy of tailings

(PDF) Uranium Mill Tailings: Geochemistry, Mineralogy, and ...

Uranium Mill Tailings: Geochemistry, Mineralogy, and Environmental Impact Article (PDF Available) in Elements 2(6):335-341 · December 2006 with 2,514 Reads How we measure 'reads'

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How to generate value from tailings with reprocessing to ...

Oct 15, 2019· There are millions of tons of tailings being discharged today and billions lying in legacy dams. A lot of older tailing facilities have impressive residual mineral values, which could provide opportunities to help in environmental reclamation, while at the same time, generate additional revenue. With reprocessing, the mining companies can set the agenda to transform the tailings ponds from a ...

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Tailings - Wikipedia

Tailings are the materials left over after the process of separating the valuable fraction from the uneconomic fraction of an ore.Tailings are distinct 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 mining, which uses water ...

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Converting Tailings Dumps into Mineral Resources | Energy ...

Extraction of valuable metals from tailings dumps (or residues or low grade stockpiles) traditionally regarded as waste, has long been researched by metallurgists. A number of developments in mineral processing technology have combined to make the retreatment of numerous tailings dumps a profitable

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Weir Minerals and Andritz together make tailings a ...

Mar 28, 2018· As part of this agreement, ANDRITZ will supply proven separation and dewatering technologies, thus enabling Weir Minerals to offer complete tailings solutions to its customers. "The tailings market is experiencing growth driven by environmental and governmental pressures. We understand our customers are under increased pressure to further improve the management of their mine tailings…

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Tailings Paste Disposal – More than Water Recovery

Mar 22, 2016· The use of paste tailings technology has been expanding over the past 20 years, not only because of environmental and water shortage drivers, but also cost reduction, product recovery, and process efficiency requirements. The applications both implemented and under consideration are increasingly diverse and include all minerals tailings.

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The mineralogy of arsenic in uranium mine tailings at the ...

Mine tailings generally have a uniform particle size of ~125 mm and, therefore, are difficult to work with, be-cause physical separation of individual minerals is as good as impossible. The relatively high detection limit of XRD analysis (F5%) negates the detection of minor con-stituents, such as secondary As minerals in bulk tailings material.

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Minerals | Free Full-Text | Rheology of Fly Ash Mixed ...

Coal fly ash has potential applications in the management of reactive mine tailings. The shear stress versus shear rate curves obtained during viscometer tests are presented to describe the rheological behaviors of tailings slurries mixed with fly ash. The investigation was conducted on specimens prepared with different fly ash additions as well as prepared at variable conditions of ...

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[PDF] Mineralogy of Tailings Dump around Selebi Phikwe ...

This study aimed at mineralogically characterizing the tailings dump emanating from the mining and smelting of nickel-copper (Ni-Cu) at Selebi Phikwe, Botswana, Southern Africa. Samples of tailings dump around the Selebi Phikwe Ni-Cu plant were studied using petrographic microscopy and X-ray Powder Diffraction (XRPD) technique. The tailings dump comprised of the following minerals ...

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Environmental Risks From Mine Tailings

Tailings are a type of rock waste from the mining industry. When a mineral product is mined, the valuable portion is usually embedded in a rock matrix called ore. Once the ore has been stripped of its valuable minerals, sometimes through the addition of chemicals, it is piled up into tailings.

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New Minerals Capture CO2 in Mine Waste - Advancing Mining

The paper, "Hydrotalcites and hydrated Mg-carbonates as carbon sinks in serpentinite mineral wastes from the Woodsreef chrysotile mine, New South Wales, Australia: Controls on carbonate mineralogy and efficiency of CO2 air capture in mine tailings," was published in …

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Weir Minerals' Terraflowing offers up tailings storage and ...

More details of Weir Minerals novel dewatering process, TerraFlowing TM, have emerged as the company steps up marketing of its tailings management offering.. This week, on May 27, Nils Steward, General Manager Operations and Development at Weir Minerals, will describe the test work and results achieved in the development of TerraFlowing in a webinar and, ahead of that, the company has …

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[PDF] Mineralogy of Tailings Dump around Selebi Phikwe ...

DOI: 10.4314/jasem.v8i1.17224 Corpus ID: 31229702. Mineralogy of Tailings Dump around Selebi Phikwe Nickel-Copper Plant, Botswana @inproceedings{Ekosse2005MineralogyOT, title={Mineralogy of Tailings Dump around Selebi Phikwe Nickel-Copper Plant, Botswana}, author={Georges Ekosse and D. van den Heever and Linda de Jager and Otlogetswe Totolo}, year={2005} }

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Waste Mine Tailings Characterisation

Non-metal mineral tailings have, likewise, not been described, with the exception of phosphate slimes. Nearly one-half of all the non-metal mineral mining wastes generated during the period 1960-1977 resulted from phosphate mining in two mining districts in North and Central Florida.

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How to manage tailings efficiently and economically -

Sep 04, 2019· Tailings management is not a matter of finding the most technically suitable equipment or solution; it is about transformation and taking the minerals processing strategy to a new level. At , we bring a step change in dewatering technology to accommodate huge volumes of tailings, while ensuring efficient and economical operations.

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Weir Technical Centre: a global hub of tailings expertise

Nov 15, 2017· Weir Minerals has enhanced its global tailings solutions capability considerably through the establishment of the Weir Technical Centre (WTC) in Melbourne, Australia. The technical centre has become a global hub of tailings expertise for Weir Minerals, providing innovative and sustainable tailings and pipeline solutions for its customers worldwide.

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(PDF) Mineralogy of Tailings Dump around Selebi Phikwe ...

Since 1957 periodic studies of the tailings geochemistry and mineralogy have been conducted, providing a unique opportunity to examine the geochemical evolution of a sulphide-rich mine-tailings ...

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TerraFlowing – an innovative and flexible method for ...

May 21, 2020· Nils Steward, General Manager Operations and Development at Weir Minerals, is an internationally recognised expert in the field of backfilling and tailings handling solutions.The Weir Technical Centre, opened by Nils, specialises in developing process, tailings and pipelines solutions to meet mining and minerals industry needs.

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Elikhulu, and The Value Of Tailings | PAN African

Elikhulu, and The Value Of Tailings. With the right conditions and application of technology, historical mine tailings can be a lucrative source of minerals. This is exemplified by the Elikhulu Tailings Retreatment Plant at Evander Gold Mine, as PAN African Resources' Chief Executive Officer Cobus Loots discusses .

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Mine Tailings - an overview | ScienceDirect Topics

Jarosite group minerals form in strong acidity and moderate to highly oxidized sulphate-rich waters. Jarosites occur as yellow crusts and coatings within saturated (phreatic) or vadose zones of mine tailings and acid sulphate soils (Basciano, 2008).

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Management of mineral processing tailings and ...

Mineral processing tailings and metallurgical slags of the Congolese copperbelt were characterised. • Mine wastes from the Congolese copperbelt were found leachable and hazardous for the environment. • The use of geomembranes for infiltration prevention is encouraged.

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Uranium Mill Tailings: Geochemistry, Mineralogy, and ...

Uranium Mill Tailings: Geochemistry, Mineralogy, and Environmental Impact Abdesselam Abdelouas SUBATECH, EMN-CNRS/IN2P3-Université de Nantes, BP 20722 4, rue Alfred Kastler - La chantrerie, 44307 Nantes Cedex 3, France

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Converting tailings dumps into mineral resources ...

Extraction of valuable metals from tailings dumps traditionally regarded as waste, has long been researched by metallurgists. A number of developments in mineral processing technology have combined to make the retreatment of numerous tailings dumps a profitable proposition.

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Case Study: Geochemistry and Mineralogy of Copper Mine ...

Aug 28, 2019· Therefore, our aim is to investigate the geochemistry and mineralogy of the tailings in order to determine their economic potential and environmental impact. The studied mine tailings dump is located in the region of Coquimbo, where an arid Mediterranean climate with mean annual temperature of 14.6 °C, precipitation of 132 mm, and evaporation ...

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Difference between mineral and ore & gangue and tailings ...

Mineral vs. gangue, concentrate vs. tailings Gangue, but also mineral. The gangue refers to all minerals in the ore which have no economic value, while the tailings are the mineral processing plant discard that contains mainly gangue minerals in addition to some valuable minerals.

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Mineralogy and spectral reflectance of soils and tailings ...

Tailings are composed of fine sand- to silt-sized quartz, feldspar, illite and chlorite, and represent the primary rock-forming minerals in the metasedimentary host rocks of the Cambro-Ordovician Meguma Supergroup. Carbonate and sulphide minerals occur in minor to trace amounts, along with secondary minerals such as scorodite (FeAsO4·2H2O).

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Tailings.info What Are Tailings? - Their nature and production

Tailings characteristics can vary greatly and are dependent on the ore mineralogy together with the physical and chemical processes used to extract the economic product. Ritcey (1989) reported that tailings of the same type may possess different mineralogy and therefore will have different physical and chemical characteristics.

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Mineralogy and geochemistry of tailings from a gold mine ...

(2017). Mineralogy and geochemistry of tailings from a gold mine in northeastern Thailand. Human and Ecological Risk Assessment: An International Journal: Vol. 23, No. 2, pp. 364-387.

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