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 ...

Zinc sulphide concentrate leaching processes remain pivotal in the field of hydrometallurgy, providing a sustainable and economically viable route for zinc recovery from sphalerite ores. These ...

Incineration of solid waste produces millions of tonnes 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 ...