Tailings, also called mine dumps, culm dumps, slimes, tails, refuse, leach residue or slickens, are the materials left over after the process ... The amount of tailings can be large, ranging from 90...

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Tailings what is it - InfoMine

process of separating the valuable fraction from the worthless fraction of an ore. ... Hard-rock tailings. Lead/zinc. Copper/Nickel. Gold/Platinum. Iron ore.

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

May 7, 2015 ... Now, some mining companies are figuring out ways to turn tailings to ... million ounces of gold and 60,000 tons of copper left in the tailings at...

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Source #3 - :: WorstPolluted : Projects Reports

Mining and ore processing is an essential industry that supplies the minerals, ... This is the most common method for iron, aluminum, copper, gold and silver mining. ... tailings and the toxic chemicals used are released into the environment.

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Copper Processing

The copper processing industry refines copper from metal ores or scrap copper. ... The tailings remain and are dewatered and disposed of in tailing ponds.

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Heap Leach: Mining''s breakthrough technology | MINING

Aug 20, 2015 ... New techniques for tailings treatment and sulfide ore recovery will see ... Evolution of copper ore mill grade at the Bingham Canyon mine, USA. ... and constantly developing mineral processing and extraction technology that is...

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Recovery of cobalt and copper through reprocessing of tailings from ...

The present research aims at recovering copper and cobalt through reprocessing of tailings from flotation of oxidised ores of copper and cobalt achieved at the...

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Some trace percentage of copper will be left in the ore after the extraction process is completed. This copper ore tailing is produced in large quantity in the...

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Tailings What are tailings? - Their nature and production

Not surprisingly the physical and chemical characteristics of tailings and their methods ... The process of beneficiation of run of the mine ores and subsequent ... froth flotation cells (right) at Highland Valley Copper, BC, Canada (© Jon Engels).

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