Bioleaching, by means of natural populations of Thiobacillus ferrooxidans and related Thiobacilli, for example, allows recovery of up to 70% of the copper in low-grade ores.

• 生物萃取,例如应用天然的氧化亚铁硫杆菌菌群和相关的硫杆菌,使低品级的矿石中铜的收率达到70%25。