Incineration of solid waste produces millions of tons of waste fly ash in Europe each year, that most commonly ends up in landfill. But this ash often contains significant amounts of precious metals, ...

(Nanowerk News) Microorganisms work in an underground bioreactor and convert ores or residual materials from mining into the valuable metals copper, indium and zinc. Innovative membrane filters then ...

Giving birth to invention out of necessity, a group of UA scientists found a new way to combat industrial corrosion — and a new, cleaner method of metals extraction for the mining industry in the ...

Copper smelting - a critical process in metal production - often generates slag, which contains valuable metals. This slag has historically been thrown away, causing harm to the environment and ...