Copper electrolyte purification and impurity removal are critical to ensuring the production of ultra‐high purity copper during the electrorefining process. The removal of deleterious elements such as ...

The United States has the resources necessary to compete with China for mastery over copper mining and refining.

SANTIAGO, Chile--(BUSINESS WIRE)--Ceibo, an advanced copper extraction technology company, today announced it has raised a $30 million Series B financing. The round was led by Energy Impact Partners, ...

CASA GRANDE, Ariz. & TORONTO--(BUSINESS WIRE)-- Arizona Sonoran Copper Company Inc. (TSX:ASCU | OTCQX:ASCUF) (“ASCU” or the “Company”) an emerging US-based copper developer, announces results from 12 ...

JERUSALEM, Dec 8 (Reuters) - Arava Mines, a unit of Mexican steel firm Altos Hornos de Mexico SA , has been persuaded to resume copper extraction in southern Israel by a 140 million shekel ($37 ...