Anglo American Chile - History of the Chagres Division

History of the Chagres Division

Building of the installations that will become the smelter.

Operations begin for concentration and fusion of minerals from La Poza, La Unión, Los Mantos, Cordillera and El Soldado deposits.

Peñarroya acquires the smelter, makes it part of the Compañía Minera Disputada de las Condes.

The smelter reopens after a 14 year shutdown that began in 1946.

ENAMI (National Mining Corporation) purchases Disputada de Las Condes.

Acid plant enters into operation with a sulfur recovery rate of 70%.

Exxon Minerals acquires majority interest in Disputada de Las Condes.

Installation of the first environmental monitoring network.

Environmental monitoring network expanded.

Outokompu Flash furnace installed, at an investment of more than US $200 million.

Sulfur recovery capacity increases to 95% through the introduction of a double absorption system.

Introduction of refining furnace to enable production of copper anodes. Implementation of an energy system incorporating the use of natural gas.

Anglo American Chile acquires the Compañía Minera Disputada de Las Condes, making this division part of the company’s operations.

Chagres Smelter Optimization project is launched with the aim of boosting production and reducing air emissions.

Chagres Smelter Optimization project concludes.