HEAP-LEACH PAD INJECTION SYSTEM AND METHOD
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United States of America Patent
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Issued Date -
Jun 26, 2014
app pub date -
Dec 13, 2013
filing date -
Dec 14, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In one embodiment, the present disclosure provides an extraction method. A conduit is formed in a heap-leach pad. The heap-leach pad includes a plurality of poorly perfused areas. The conduit is in fluid communication with poorly perfused areas of the heap-leach pad. A fluid that includes steam is injected into the conduit. The fluid travels through the heap-leach pad and condenses in poorly perfused areas of the heap-leach pad. An extraction solution is applied to the heap-leach pad. Condensation of steam in the poorly perfused areas of the heap-leach pad provides new flow pathways for the extraction solution.
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