How copper miners are squeezing their way out of a shortage

When easy options run out, industries get inventive. That’s where copper miners find themselves. Faced with vigorous demand, ...
Mining Technology on MSN

Bioleachers are sitting on a copper cache: why is uptake slow?

Bioleaching unlocks revenue from low-grade ores, but the cost-effective copper extraction process is struggling to get off ...
Mother Jones

We Need Copper, and These New Methods Could Make Refining It a Lot Cleaner

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 ...
insider.si.edu

The Hunt and Douglas process for extracting copper from its ores : with an appendix including notes on the treatment of silver and gold ores

"Copies of this ... pamphlet may be had by addressing J. Oscar Stewart ... For further information ... address James Douglas ... or T. Sterry Hunt" - p. 39. siris_sil_630058 ...
MIT Technology Review

Microbes could extract the metal needed for cleantech

Amid rising demand, miners are turning to biotech firms to help them squeeze more metal out of aging mines. In a pine forest on Michigan’s Upper Peninsula, the only active nickel mine in the US is ...