Glencore Tests Advanced Leaching Technology to Boost Copper Extraction in Chile
Glencore Plc is advancing a groundbreaking extraction technology at its Lomas Bayas copper mine in northern Chile, aiming to increase yields from low-grade ore.
This initiative reflects the mining industry’s push to enhance productivity amidst declining ore quality and growing demand for copper in global electrification efforts.
After two years of successful laboratory trials, Glencore and Ceibo, a Chilean startup backed by BHP Group, announced the commencement of large-scale on-site testing of Ceibo’s innovative leaching process. The partners have not disclosed investment figures for the project.
Ceibo joins companies like Jetti Resources LLC and Rio Tinto’s Nuton in developing catalysts to extract copper from low-grade sulfide ores. These advancements offer an efficient alternative to traditional methods, enabling extended mine life and higher output.
Ceibo’s process leverages electrochemical reactions to enhance recovery rates within existing leaching facilities, significantly shortening processing cycles.
At Lomas Bayas, where ore grades are as low as 0.25%, this technology could extend the mine’s operational life by at least seven years, according to general manager Pablo Carvallo.
The feasibility of the project is expected to be assessed by the third quarter of 2025, with initial results from on-site testing anticipated in April or May 2024. If successful, the technology could also be deployed at other Glencore mines.
Ceibo’s 2023 funding round saw investment from BHP Ventures, Energy Impact Partners, and Khosla Ventures, reflecting strong confidence in its potential to transform copper extraction.
As the global demand for copper surges, innovations like Ceibo’s leaching technology represent a critical step forward in ensuring sustainable and efficient metal production.
