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Collahuasi partners with Rembre to recycle mining tires as part of the circular economy strategy

In January 2021, Chile’s Ministry of Environment published the first decree related to Law 20,920, according to which in 2023 the gradual implementation of tire recycling in mining needs to being, and by 2030, 100% of tires must be recycled in mining vehicles with 45 in or larger tires.

Copper miner Collahuasi in northern Chile, about 180 km southeast of the port of Iquique, said in its recently released 2021 Sustainability Report that this represented a great challenge considering that it uses more than 900 tires a year, equivalent to about 3,200 t. The company has a major circular economy plan in place, not just covering tires, with 43 separate projects including the eradication of plastic bottles and recycling mill grinding balls.

On tires, after studying different technological solutions and reviewing several offers, Collahuasi decided to sign a contract with Rembre Tires, a renowned Chilean recycling company that guarantees emission-free processes with granulation technology. Thus, in the second quarter of 2021, the mine began the partnership by sending 15 used mining tires to Rembre’s new plant in Antofagasta.

At the moment, Rembre sells the extracted rubber as a raw material to a US company, which converts it into pellets for the manufacture of synthetic pitches and mats, among other uses. In the medium term, the goal is for Rembre to manufacture its own rubber products that can be used in Collahuasi’s operations, such as truck stops (wedges) and gratings for industrial areas.

Article Source: International Mining

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