• Rehabilitation and reprocessing of minesites and tailings ...

     · In contrast, Australia adopts a mature and aggressive approach to tailings management and re-processing through innovative science and technological solutions. The planned project exposes Korean researchers to state-of-the-art tailings management, reprocessing and metal recovery activities currently applied in Australia.

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  • Tailings mineral processing

    Tailings as a modern resource. In-house laboratory: IHC has an in-house laboratory offering a wide range of both metallurgical and mineral separation testing services to determine the optimal plan and tools for tailings reprocessing. Gravity separation specialists: IHC is regarded as a specialist in separating minerals based on their specific ...

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  • Reprocessing Tailings Dams – A systematic Approach (Part 1 ...

     · Reprocessing Tailings Dams – A systematic Approach (Part 1) This is the first of two blogs examining the reprocessing of tailings dams. Millions of tonnes of sulphide tailings are produced each year from base metal and gold flotation operations. Of these tailings a substantial amount is stored in tailings …

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  • Circular Economics, Reprocessing Waste And Mining

     · Reprocessing tailings dams on operational projects is already common practice in the industry but usually only IF there is enough money to be made from doing so. A good example of this is going back to treat polymetallic tailings produced by gold extraction when there are economic quantities of copper, lead, zinc, cobalt and nickel.

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  • Published in International Mining: Reprocessing and ...

     · Tailings dam liabilities and falling water resources are strengthening the case for reprocessing and retreating ''waste'' sites or streams.

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  • REPROCESSING OF THE OLD FLOTATION TAILINGS …

    tailings reprocessing consisted of acid leaching followed by re-flotation of the leach residue. Leaching of the tailings resulted in leach liquors containing Cu2+ ions from 50 to 580 ppm. The average copper removal degree in the leaching stage was 70%. After re-flotation, the …

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  • REPROCESSING AND TAILINGS REDUCTION

    Reprocessing and tailings reduction.qxp_proof 29/04/2020 09:50 Page 1. It is the junior and mid-tier miners – not the Tier 1 outfits – able to more easily incorporate the new technologies CDE and others offer to carry out such processing, according to McCormick.

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  • Reprocessing Tailings Dams – A systematic Approach (Part 1 ...

     · Reprocessing Tailings Dams – A systematic Approach (Part 1) This is the first of two blogs examining the reprocessing of tailings dams. Millions of tonnes of sulphide tailings are produced each year from base metal and gold flotation operations. Of these tailings a substantial amount is stored in tailings dams of which an example is shown in ...

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  • A new approach to tailings management – Process productivity

    Reprocessing – In their nature, tailings have no economic value (unless new extraction technologies or new markets become viable). Reprocessing is not a universal option, with their ready availability for treatment only partially compensating for otherwise sub-economic concentrations of …

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  • Reprocessing slimes tailings from a tungsten mine ...

     · Reprocessing slimes tailings 839 The broad conclusions of this investigation were that a concentrate grading 50 to 55 % WOj can be achieved by a three stage gravity separation with intermediate sulphide flotation (preferably) between the first and second stages. This circuit should recover between 68 and 73 % of the tungsten contained in the 10 ...

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  • Reprocessing of mine tailings: from inventory to practical ...

    • Sand-rich tailings mixed with cement used as backfill in underground mines • Reprocessing to extract minerals and metals • DRD Gold, one of the first South African companies to abandon traditional mining to focus on extracting gold from tailings. • New technology allows to recover up to 40% of the gold left in particle form in tailings.

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  • Reprocessing Gold Tailings by Gravity Methods

     · Reprocessing Gold Tailings by Gravity Methods. Tailings originating from the gravity concentration of a gold ore containing about 14 g/t Au have been treated by various beneficiation methods. These tailings have been screened on the 147 and 74 micron sieves and the two coarsest fractions have been separated on shaking tables with unsatisfactory ...

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  • Mine tailings: reprocess, recover & recycle – The ...

     · By reprocessing tailings, dewatering them and then storing them in a dry stack, mines can remove some of the economic, environmental and societal risks associated with tailings stored in slurry. The water recovered can then be reused, helping to drive down abstraction and logistics costs. As 70% of the mines operated today by the majors are in ...

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  • A SUSTAINABLE TAILINGS REPROCESSING PROJECT: A CASE …

     · ABSTRACT Tailings embankments are part of the legacy left by the intensive mining industry. These vast impoundment storages are associated with some adverse environmental and social impacts creating insecurity to the stakeholders. Mining tailings may also be a source of minerals with high grades. Reprocessing techniques may be used as an alternative solution to recover some …

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  • Tailings rehandling and reprocessing

    Tailings deposits are found everywhere in the world where there is ongoing or legacy mining activity. These man-made deposits can present challenges for the owners, but can also hold interesting opportunities. Either way, sustainable re-handling and reprocessing of tailings …

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  • REPROCESSING AND TAILINGS REDUCTION

    tailings storage facility and, therefore, the owner may decide to close it or put it into a non-active state," he said. One company looking to address the. availability and cost of specialised technology for . reprocessing tailings and other ''waste'' is CDE. An industry-leading manufacturer of wet. processing equipment for materials ...

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  • Tailings Management and New Standards of Regulation

     · The discarded tailings are then dewatered and dry stacked, and the water is recycled, usually at the mine. Companies with this reprocessing technology are offering mines an on-site solution to de-risk and extract value from the tailings, in some cases offering capital investment, as well as technical expertise.

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  • Tailings Hydraulic Mining of Tailings

    A typical flow sheet for the reprocessing of tailings is shown below in figure 2. Figure 2: Simplified diagram showing the hydraulic re-mining of tailings It can be noted that the use of hydraulic mining for tailings can be to either reprocess the waste, mine the waste as a product, or for moving of the tailings to a more suitable location.

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  • Reprocessing of Gold & Silver Mining Tailings with ...

     · Reprocessing of Mining Tailings (Gold & Silver) with Ellicott Dredges. September 11, 2014. DOMINICAN REPUBLIC – Historically, mining processes with poor recovery rates have resulted in tailings with significant amounts of recoverable material. …

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  • From Tailings to Treasure? Miners Make Money Reprocessing ...

     · Thickened tailings can be mixed with cement and used in construction or as backfill in underground mines. Now, some mining companies are figuring out ways to turn tailings to profits with novel reprocessing technologies to extract valuable metals from the waste.

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  • Reprocessing Gold Tailings by Gravity Methods

     · Reprocessing Gold Tailings by Gravity Methods. Tailings originating from the gravity concentration of a gold ore containing about 14 g/t Au have been treated by various beneficiation methods. These tailings have been screened on the 147 and …

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  • Reprocessing Legacy Tailings Impoundments | SRK Consulting

    Reprocessing Legacy Tailings Impoundments For companies, balance-sheet liabilities are turned into cash-generating assets. For neighbouring communities, there can be both employment opportunities and environmental benefits from the new physical and chemical stability of the impoundments.

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  • REPROCESSING OF GOLD FROM TAILINGS DAMS: A …

    of reprocessing gold tailings dams and extract gold, while converting the residue to a construction material or during gold reprocessing, the tailings are to be relocated to a more suitable dumping site. Gold reprocessing from tailings dams is gaining momentum in South Africa especially in the

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  • Reprocessing Tailings Dams – A systematic characterisation ...

     · Reprocessing Tailings Dams – A systematic characterisation approach (Part 2) In the first part of this blog ( 2nd April 2014) a brief introduction was given on having a systematic approach to tailings characterisation. There is no argument that tailings dam reprocessing can be profitable, and this blog is not about the methodology to do the ...

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  • 1911 Gold: Press Releases

     · 1911 Gold is a junior explorer that holds a highly prospective, consolidated land package totalling 55,500 hectares within and adjacent to the Archean Rice Lake greenstone belt in Manitoba, and also owns the True North mine and mill complex at Bissett, Manitoba, where it is reprocessing historic tailings on a seasonal basis. 1911 Gold believes ...

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  • Tailings management

    Tailings Management solutions. Outotec Tailings Management is bringing change through dewatering, handling and reprocessing of tailings. No other OEM can provide the full solution that we can. Outotec Tailings Management solutions'' benefits. Up to 90% water recovery by Outotec high performance filters.

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  • New Tailings Reprocessing Technology Has Environmental ...

     · New Tailings Reprocessing Technology Has Environmental Benefits. Tailings, mineral waste products produced by mining operations, are a well-known pollutant requiring remediation. Tailings may be dumped in or near water or transported by wind or water to contaminate the surrounding area. Mine sites typically manage tailings by constructing ponds ...

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

     · With reprocessing, the mining companies can set the agenda to transform the tailings ponds from a liability into an asset. Whether driven by regulatory compliances, tailings dam failure and water ...

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  • Mine Tailings Reprocessing Investigation

     · Reprocessing of historic tailings impoundments can create shared value between the mining company and the nearby communities when the additional minerals are extracted from legacy impoundments and ...

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  • 3 Methods of Tailings Processing

    Mine tailings: reprocess, recover & recycle – The ...

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  • Tailings

    Tailings cover large areas of land and with careful remediation and management could be used for agriculture or to site renewable energy facilities. There is also potential to reuse the material itself, by reprocessing the tailings to recover by-products.

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  • Tailings

    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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  • Mill Tailings Storage for Reprocessing in Future

     · The cost of carrying the tailings away from the mill to dispose of them, so far as is necessary merely to enable continuous mill operation, is a proper current operating charge, but anything done in excess of this, where there is reasonable expectation of later obtaining more from the tailings than is at present possible, should be, in my ...

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  • New video released on reprocessing of tailings (ETN SULTAN ...

     · Recently, the EU MSCA-ETN SULTAN project has initiated its research on the reprocessing of tailings. To explain the research goals to a wide audience, the ETN SULTAN team has just released its official video this animated video SULTAN Researcher Jillian Helser explains how the SULTAN target is to transform mining waste (tailings) into valuable products.

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  • Mining Waste Management: Reprocessing Tailings

     · Mining waste management: The importance of Tailings Reprocessing Tons of excavated material are extracted every day in mines around the world but only a small percentage contains the wanted mineral. This process is called ore grade. Have you ever wondered where the leftover material goes once the valuable part has been picked out? The answer is as simple as alarming.

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

     · With reprocessing, the mining companies can set the agenda to transform the tailings ponds from a liability into an asset. Whether driven by regulatory compliances, tailings dam …

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

     · Reprocessing tailings to collect the valuable minerals can be a cost-effective approach compared to processing material. At , we have conducted studies recently that tell us that processing one unit of tailings could be three times more cost-effective than material. A standard method of reprocessing involves dragging tailings ...

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