Creating value from waste | Canadian Mining Journal

Creating value from waste | Canadian Mining Journal

A standard method of reprocessing involves dragging tailings from an existing dam back to the concentrator and using required mineral processing solutions to liberate the valuable metals. The discarded tailings are then dewatered and dry stacked, and the water recycled within the plant or properly disposed back to nature.

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  • Mine Tailings, Tailings in Mining, Gold Tailings ...

    Mine Tailings, Tailings in Mining, Gold Tailings ...

    Wolfram tailing re-selection process is mainly used spiral chute and centrifugal ore separator to roughing, shaking table and flotation to cleaning. Phosphate Tailings: Siliceous collophanite mainly include quartz siliceous minerals in gangue mineral, so the floatability of gangue is larger than valuable mineral.

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  • Notes for Reprocessing of Historical Tailings

    Notes for Reprocessing of Historical Tailings

     · The of can be an easy route to mineral production and short-term cash-flow. However, like any project, careful technical and financial analysis are required first and caution is required at every step.

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  • Re-Processing Gold Tailings in South Africa

    Re-Processing Gold Tailings in South Africa

    CHRISTOPHER A. FLEMING, JAMES A. BROWN - SGS AND MARIUS BOTHA. ABSTRACT. The technical and economic feasibility or re-processing hundreds of millions of tons of tailings in a number of historic gold tailings dams in the Witwatersrand area of South Africa is being investigated. The objective is to recover uranium and residual gold from the tailings, as well as to oxidize the sulphides to eliminate …

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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. are distinct from overburden, which is the waste rock or other material that overlies an ore or mineral body and is displaced during without being processed. The extraction of minerals from ore can be done two ways: placer which uses water and gravity to concentrate the valuable minerals, or hard rock …

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  • Asbestos tailings become a resource - Canadian Consulting ...

    Asbestos tailings become a resource - Canadian Consulting ...

    . The discarded serpentine from decades of asbestos have created a “lunar landscape” that stretches for eight miles near the town named after the mineral north of Sherbrooke, Quebec. Now the are being mined themselves for magnesium as part of an innovative and huge project under the direction of SNC-Lavalin.

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  • Potential buyer for mine tailings at Golden Sunlight ...

    Potential buyer for mine tailings at Golden Sunlight ...

     · That’s where can fill the gap, according to a press release from Barrick Golden Sunlight. Golden Sunlight’s can provide a reliable, low cost, bulk source of sulfur that could meet Nevada Gold ’s long term needs, according to Barrick.

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  • How can we improve mine tailings processing, management ...

    How can we improve mine tailings processing, management ...

    Are you struggling with management? The storage, disposal and of and waste can be a significant challenge for o...

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

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

    may be dumped in or near water or transported by wind or water to contaminate the surrounding area. sites typically manage by constructing ponds secured by dams. According to the web site miningfacts.org, another strategy is to produce thickened which are pressed or have chemicals added to remove excess water. Thickened …

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