Sentences with phrase «old tailings»

«These results have surprised us, and lead the way for many interesting applications such as optimising the processes for gold extraction from ore and re-processing old tailings or recycled electronics, which isn't currently economically viable.»

This solution allows customers to treat tailings and recover further value or even retreat old tailings facilities to recover this value and simultaneously reduce their environmental liability.

Not exact matches

But Newcrest has recently resumed placement of mine wastes in the unaffected tailings dam at Cadia, and has won approval to use an old, nearby mine pit as a temporary tailings dam.