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heap leaching


mineral-engineering leaching




Heap Leaching Experts

The following experts are available as heap leaching consultants and heap leaching expert witnesses.  ORC experts are peer-recommended authorities who have been carefully selected and rigorously screened.
    Definition:  Heap Leaching - Mineral engineering leaching in which copper is removed from weathered ore and other material from mine dumps. By layering the material to a thickness of 20 feet (6 meters) in alternately fine and course beds and treating intermittently with water, oxidation occurs and a liquor runs off that can be treated with scrap iron to precipitate the copper.

Synonyms:  dump leaching

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Expert in Precious Metals Chemistry, Mining, Refining
Expert is an inorganic chemist/ extractive metallurgist who has been active in precious metals recovery and refining for 24 years, mainly gold, silver, platinum and palladium. He has a thorough knowledge of pyro-, hydro- and electro-metallurgy methods, ... See full profile


Expert in Mining, Ore Processing, and Plant Maintenance
He has extensive experience in the heap leaching of gold, having operated in both arid and extreme cold conditions. Expert has developed techniques for increasing the recovery of gold. Expert is a resourceful metallurgist with 26 years' hands-on ... See full profile

Cornwall, United Kingdom

Expert in Extractive-Metallurgy, Hydro-Metallurgy, Pyro-Metallurgy, Inorganic Processing and Soil and Waste Remediation
Expert has been active in the field of extractive metallurgy for more than 42 years. He has developed processes for the recovery of many metals including antimony, arsenic, barium, bismuth, boron, chromium, cobalt, copper, gallium, germanium, gold, ... See full profile

Colorado (CO), USA

Expert in Conveyors , Conveyor Systems, and Related Equipment & Machines
Expert's (Eponymous) Engineering Group is a an engineering firm specializing in the handling, transport, storage and loading of unit and bulk materials by conveyor systems. This group was founded in 1991. Expert's group specializes in the design of ... See full profile

Texas (TX), USA

Expert in Mineral Flotation, Mineral Processing, Training, Tails Thickening, Mining Water Treatment
Mining segments Iron ore (10 years as research metallurgist and Research Coordinator, Flotation with Cleveland Cliffs Iron Company). Uranium (1 years as an operating engineer at a uranium solution mining semi works mine) Potash, industrial ... See full profile

Oregon (OR), USA

Expert in Hydrometallurgy and Tailings
Expert has wide experience in hydrometallurgy, and has designed processes incorporating unit operations such as roasting, leaching, liquid-solids separation, purification by solvent extraction, ion exchange, and ... See full profile

Ontario, Canada

Expert in Mining and Mineral Processing
Establishing the business case for the new copper deposits, comprehensive recommendation for the project execution including recommended mineral processing route and off-take product economics, supported by financial modelling. Registered Professional ... See full profile

Gauteng, South Africa

Expert in Engineering: Mining, Minerals, Metallurgy, Chemicals, Materials, and Energy- Especially Fuels
Expert is a professionally registered engineer with 28 years of experience in process, chemical and metallurgical engineering, engineering services, research, consulting and industrial plant operations. Experienced and trained in ... See full profile

Montana (MT), USA


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