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Safely producing copper using the least capital and operating
cost, without compromising environmental regulations is best achieved
through the cooperative efforts of the Owner and Engineer. Our
"Full Service" expertise in the design, construction, and commissioning
of projects attests to the benefits of this partnering relationship.
Five-9's grade copper can be produced by heap leach technology
applied to low-grade copper bearing oxide ore and processed by
solvent extraction and electrowinning (SX-EW). This technology
has elevated low-grade oxide deposits, into economic mining operations.
Whether developing a "green-field" facility, modernizing existing
facilities, or replacing less efficient systems, Roberts &
Schaefer Company offers common sense and practical solutions to
difficult problems.
Two projects that help to define our experience and capabilities
are depicted below.
FEASIBILITY STUDY AND BANKABLE DOCUMENT
 Compania
Contractual Minera Leonor
Leonor, Chile
Roberts & Schaefer provided a bankable feasibility study
for a copper project located in Northern Chile's Atacama District,
which is remote, arid, and lacking nearby infrastructure. The
project included preparation of complete flow-sheets, mass balances,
equipment lists, general arrangements, and P&IDs. In-depth
project information
CARLOTA COPPER COMPANY
Copper Heap Leach Project
Truck Shop & Truck Wash
Miami, Arizona
R&S did the process design, engineering, and procurement services for Carlota's "green-field" copper heap leach, sx-ew facility near Miami, Arizona. The project included crushing facilities, conveying systems, and a processing plant with solvent extraction / electrowinning technology. In-depth project information
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Projects
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