Chilean state copper producer Codelco has resubmitted an environmental impact assessment (EIA) for an US$8mn project to reprocess fresh tailings at its Salvador division in northern region III, according to the environment ministry’s (MMA) regional evaluation office.

The original EIA was recently declared inadmissible by the evaluation office as it failed to comply with certain formal requirements due to inaccuracies between the electronic version and the paper document.

The project aims to reprocess fresh tailings generated at the division’s heap leaching facilities to recover most of the copper content and take full advantage of current prices, Codelco said in the EIA.

The project includes construction of two dams to collect the remains of the processed material before sending it back to the heap leaching ponds for reprocessing.

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