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, ...
Researchers at the Dalian Institute of Chemical Physics (DICP) in China have achieved a major breakthrough in overcoming ...
(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 ...