dry tailings discharge for tanb ore in indonesia

    Troubled Waters Earthworks

    In some cases, safer waste management options exist: putting dry waste in lined and covered landfills (a process called dry stacking) and putting tailings back into the pits and tunnels the ore came from (called backfilling). In other cases, even land based tailings disposal is too risky. Some places where companies want to.

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    Tailings Dry Stacking of tailings

    Dewatering tailings to higher degrees than paste produces a filtered wet (saturated) and dry (unsaturated) cake that can no longer be transported by pipeline . Dust generation is a common problem in arid climates and can occur relatively quickly after tailings disposal due to the low moisture content of the placed material.

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    Tailings Wikipedia

    Tailings, also called mine dumps, culm dumps, slimes, tails, refuse, leach residue or slickens, terra cone (terrikon), are the materials left over after the process of separating the valuable fraction from the uneconomic fraction (gangue) of an ore. Tailings are distinct from overburden, which is the waste rock or other material.

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    Marine and Riverine Discharges of Mine Tailings International .

    Apr 2, 2012 . Riverine Discharge i. Grasberg Copper and Gold Mine in Indonesia. 84 ii. Porgera Gold Mine in Papua New Guinea. 92 iii. OK Tedi Mine in Papua New Guinea. 97 iv. Tolukuma Gold Mine in Papua New Guinea. 100 b. Marine Discharge/Submarine Tailings Disposal/Deep Sea Tailings Placement.

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    Management of Tailings and Waste Rock in Mining Activities www7

    Apr 4, 2010 . This work covers activities related to tailings and waste rock management of ores that have the potential for a ... determine the discharge capacity of the pond and the required freeboard (if the water from the ... The choice of method (slurried, thickened or dry tailings) depends mainly on an evaluation of.

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    Mine Tailings Ground Truth Trekking

    Dec 15, 2010 . For hardrock metal mines, tailings are usually a very fine mud or powder, which is left over after ore is crushed and valuable minerals are extracted from it. . Disposal of mine tailings is usually the single biggest environmental concern facing a hardrock metal mine, and creates very long term environmental.

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    Brazil dam collapse reignites debate over storing mining waste .

    Nov 18, 2015 . Disposing of ore waste big global safety, environmentalissue* Alternative engineering known as "dry stack" often putforward* Cost, climat. . The disaster at the Samarco iron ore mine is only the latest in a series involving tailings waste in mining parlance that have devastated the environment, and in the.

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