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Los Pelambres incremental expansion (Phase 1)

Project Stages

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Early Works
Environmental & Social evaluation
Start: 05/2016
Completion: 02/2018
In Construction
Current Stage Under Construction
Start: 02/2019
Completion: 12/2021
Ramp up / Commissioning
Project Details


The project involves the construction of a 400l/s reverse osmosis desalination plant at Conchalí bay, near the town of Los Vilos, close to the company's Puerto Chungo terminal. The water will be stored in a 1,000m3 tank and then pumped through a 61km, 24" diameter pipeline to the El Mauro industrial area. Once it reaches El Mauro, the water will be pumped through existing infrastructure to Minera Los Pelambres' processing facilities. The project also involves construction of a new SAG mill, which would join its three existing ones, a new steel ball mill, in addition to the six currently in operation, and six new rougher flotation cells, each with 250m3 capacity, which would add to the existing 49 cells. The project will be carried out in two phases.

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Principal Works

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Related Companies

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  • * Figures and dates are as per the latest publicly available information, as well as information gathered by BNamericas reporters and analysts and are subject to change.

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Key Specs

Full Name
Los Pelambres incremental expansion (Phase 1)
Project Type
Development Phase
Under Construction
Project Status
Project Capacity
60,000  t/y (tons per year)  Copper
US$ 1.3bn

Works are planned for the municipalities of Salamanca and Los Vilos, Choapa province, in Chile's Coquimbo region (IV).

* The map coordinates represent the approximate latitude and longitude, and not the exact location of the project.

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Owner / operator
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General Manager Los Pelambres
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Project Manager INCO MLP
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Project Manager at Antofagasta Minerals Project MLP Optimization
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Deputy Manager, Projects Purchasing
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Sustainability Manager
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