CJK Milling plans to use flotation method to extract gold from waste rock at Leadville Mill. Permit amendment submitted for approval.

Zinc ore processing has long been a cornerstone of metallurgical practice, especially given zinc's vital role in galvanisation, alloy production and various industrial applications. In recent decades, ...

The Aspen Times, under an article headline “Floating Right Along” in 1925, heralded what it hoped would be a major milestone for Aspen. A group of floatation-mill experts and builders was scheduled to ...

Current approaches to silver recovery from end-of-life PV modules are dominated by acid leaching. While effective, the ...