December 2001
Volume 53    Issue 12

Evaluation of deeply ripping truck-dumped copper leach stockpiles

Mining Engineering , 2001, Vol. 53, No. 12, pp. 34-36
Uhrie, J.L.; Koons, G.J.


ABSTRACT:
At Phelps Dodge, leachingstockpile surface preparation includes ripping the stockpile’s surface with a three-pronged ripping shank pulled by a range bulldozers. The material being ripped and the size, weight and horsepower of the bulldozer will control the effective ripping depth. Ripping of stockpile surfaces is necessary because it controls a chain of processes that influence recovery.


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