Global provider of non-ferrous metals and one of the largest copper recyclers worldwide Aurubis AG, is investing around 46 million euro in improving slag processing at its site in Bulgaria.
“Full commissioning is planned for 2026, and the multimetal supplier anticipates an additional contribution to earnings in the mid-single-digit million euro range from increased metal yield starting in the fiscal year 2026/27,” the company said.
“First and foremost though, the project represents an important contribution to environmental conservation: In the future, cooling of slags will no longer take place in pits, but in over 200 slag pots instead,” it added.
Aurubis Bulgaria main activities are processing of copper concentrates, production of cathode copper registered on the London Metal Exchange as Pirdop brand, of copper anodes and co-products such as sulfuric acid and iron silicate.
“By optimising slag processing, we are considerably reducing the fugitive emissions generated by the previous method. This investment represents a key contribution to achieving our ambitious sustainability targets. At the same time, it highlights our dedication to continuously improving our approach to mitigating climate change and protecting the environment,” Aurubis COO Custom Smelting & Products Dr. Heiko Arnold said.
The Aurubis Bulgaria plant is located in the Srednogorie region.
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