HEAPS FOR HEAP LEACHING
THIS invention relates to a method and heap for recovering metal values from ore in a heap leach process. The method includes the steps of depositing and stacking crushed ore 16 on an impermeable pad 12 to form a heap, and enclosing the heap with a substantially impermeable coating 18 to both gas an...
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| Main Authors | , , |
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| Format | Patent |
| Language | English |
| Published |
16.05.2024
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| Subjects | |
| Online Access | Get full text |
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| Abstract | THIS invention relates to a method and heap for recovering metal values from ore in a heap leach process. The method includes the steps of depositing and stacking crushed ore 16 on an impermeable pad 12 to form a heap, and enclosing the heap with a substantially impermeable coating 18 to both gas and liquid; to form a sealed heap. The sealed heap is irrigated with a leachant added inside the top of the heap, allowing the leachant to percolate through the heap and removing leachant at the base of the heap, either for recirculation or subsequent processing. Oxygen containing gas is added to the base of the sealed heap. |
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| AbstractList | THIS invention relates to a method and heap for recovering metal values from ore in a heap leach process. The method includes the steps of depositing and stacking crushed ore 16 on an impermeable pad 12 to form a heap, and enclosing the heap with a substantially impermeable coating 18 to both gas and liquid; to form a sealed heap. The sealed heap is irrigated with a leachant added inside the top of the heap, allowing the leachant to percolate through the heap and removing leachant at the base of the heap, either for recirculation or subsequent processing. Oxygen containing gas is added to the base of the sealed heap. |
| Author | FILMER, Anthony Owen KEENEY, Luke Mark BILEY, Christopher Alan |
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| RelatedCompanies | ANGLO AMERICAN TECHNICAL & SUSTAINABILITY SERVICES LTD ANGLO CORPORATE SERVICES SOUTH AFRICA (PTY) LTD |
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| Snippet | THIS invention relates to a method and heap for recovering metal values from ore in a heap leach process. The method includes the steps of depositing and... |
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| SubjectTerms | CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| Title | HEAPS FOR HEAP LEACHING |
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