Copper ore must undergo a complicated refining process to convert it into saleable high-purity copper products, as mined ore typically contains less than 1 percent copper. Copper refining involves ...
Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. At a laboratory in Newark, New Jersey, a gray liquid swirls vigorously inside a ...
Freeport-McMoRan Inc.’s only US copper smelter—a hulking metal-processing facility at the edge of an old Arizona mining town—spits neon flames from its furnace like an industrial volcano. Here, ...
Section 1. Policy. Copper is a critical material essential to the national security, economic strength, and industrial resilience of the United States. Copper, scrap copper, and copper’s derivative ...
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