San Julian Mine

Industrias Peñoles

Municipality of Guadalupe y Calvo, Chihuahua, Mexico.

Development of multidisciplinary detailed engineering for a new concentrator plant with a nominal ore-processing capacity of 6,000 t/d from the San Julián underground mine. The project included primary crushing, ore storage and reclaim, SAG and ball milling, gravity concentration, intensive leaching in an ILR reactor, selective lead and zinc flotation, concentrate thickening and filtration, tailings handling, reagent preparation, auxiliary services, electrical infrastructure, operating buildings, and external works.

• Ore receiving and primary crushing.
• Stacking, storage, and reclaim of crushed ore.
• Grinding and classification.
• Gravity concentration.
• Intensive leaching in an ILR.
• Lead conditioning and flotation.
• Zinc conditioning and flotation.
• Concentrate thickening and filtration.
• Tailings thickening, pumping, and handling.
• Reagent preparation and distribution.
• Process-water storage and recovery.
• Utilities, main substation, motor control centers, electrical distribution, instrumentation, and control.
• Platforms, roads, and external networks.
• Offices, laboratory, dining facility, clinic, workshop, warehouses, fuel station, guardhouses, and other auxiliary buildings.