SYSTEM AND METHOD FOR IMPROVED LEACH STOCKPILE DRAINAGE

摘要

Systems and methods for improving leach solution drainage in a stockpile leach operation are provided. In various embodiments, methods are provided comprising placement of a drainage measure or a system of drainage measures in a leach stockpile to improve leach solution flow through the stockpile. A system for recovery of metal values from a leach stockpile comprising a leach stockpile, a leach solution, a leach solution delivery system, a leach solution drainage system, and a leach solution recovery system are also provided.

主权项

1. A process comprising:
identifying a zone of low solution permeability in a leach stockpile; placing a drainage measure in the zone of low solution permeability, wherein the drainage measure comprises a proximal terminus and a distal terminus, and wherein the drainage measure is disposed to place the proximal terminus of the drainage measure on a first side of the zone of low solution permeability and the distal terminus of the drainage measure on an opposite side of the zone of low solution permeability.