Gold mining can be a dirty business. Even with relatively rich deposits, usually found in remote areas, you need giant ...

For this reason, intensive research is being carried out into efficient methods of recovery. Compared to other methods, the ...

Bioleaching close bioleachingUsing bacteria to extract metals from their ores. is used to extract small quantities of metals from mining waste heaps. Electrolysis can be used to extract the metal ...

Clean technology group, Altilium, has announced an investment of $5 million (just over £4 million) from Japanese trading and ...