At inoculation of 5%, slurry concentration of 10%, the bioleaching of Dexing low grade copper ore was ideal, copper extraction could reach 33.18% after 3 weeks leaching.

• 德兴低品位铜矿石细菌浸出可行性试验研究表明，当接种量为5%25，矿浆浓度为10%25时浸出效果最好，浸出3周铜浸出率可达33.；18%25。