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, ...

Teck Cominco have developed a new, low-cost process for the direct extraction of zinc metal from sulphide ores. The process is called HydroZinc ™ and they currently have patents pending on the ...

A new study led by researchers in Canada introduces a novel process for the extraction and separation of metals from spent alkaline batteries, offering a promising solution for efficient recycling of ...