The president exempted a copper smelter in Arizona from air-quality rules. An E.P.A. official guided the company that sought ...

BEIJING/SINGAPORE (Reuters) -Some Chinese smelters have agreed to process copper from Chilean miner Antofagasta for no charge, a record low for the industry, but the outcome was better than expected ...

China’s copper smelters have agreed to process copper concentrate from Chilean miner Antofagasta for free, setting a new low for treatment and refining charges (TC/RCs) in the global copper business.

Chilean miner Antofagasta has agreed treatment and refining charges (TC/RCs) for 2026 of $0 per ton and 0 cents per pound with a Chinese smelter, two sources with knowledge of the matter said on ...

BEIJING (Reuters) -China, the world's biggest copper smelter, is studying ways to strengthen regulation on the expansion of smelting capacity, a state news outlet said on Thursday, as record low ...

Copper smelting is an intricate high‐temperature process that converts copper concentrates into purer metallic copper through a series of chemical and thermal reactions. Central to modern smelting ...

The South Australian government has initiated the application and assessment process for BHP's (NYSE:BHP) proposed expansion of its Olympic Dam copper smelter and refinery. If approved, this project ...

At a laboratory in Newark, New Jersey, a gray liquid swirls vigorously inside a reactor the size of a small watermelon. Here, scientists with the mining technology startup Still Bright are using a ...

Research from Cranfield University sheds new light onto the transition from the Bronze Age to the Iron Age, showing how experimentation with iron-rich rocks by copper smelters may have sparked the ...

SOFIA, June 10 (Reuters) - The copper processing industry must consolidate if it is to take advantage of high prices and strong demand for the metal, Europe's biggest copper producer said on Tuesday.