April 2016

Concentrating on value

In an earlier post we posed the question why fluorescent powder from waste light bulbs, which could be said to contain higher concentrations of heavy rare earth elements (REE) than virgin rock ore that is being mined, is not economical for urban mining. The question is worth revisiting in light of recent developments. The first has been some new research┬áby … Continue reading

CFL/Closing loops/Policy and legislation/WEEE 0