A solution with a pH value which is less than 7 is acidic. The acids which react with metals usually have quite a low pH, of either 3 or less. Some metals react with acids and when they do the ...

Tourism promoters charge people $2 apiece to look at the most notoriously polluted mining site in Montana, an old copper pit filled with toxic water that will likely never be cleaned up. The Berkeley ...

If you read media coverage about copper-nickel mining, it’s likely you’ve seen references to one of its concerns: the potential for acid rock drainage. This is something the mining industry takes very ...

The previous hydrometallurgical flowsheet that was included in the PEA (preliminary economic assessment [1]) was based on a more costly and complex gangue-leach – caustic-crack process. Upon joining ...