Subject: ore dressing and smelting the test
word head: bacterial the metallurgical
English: bacterial metallurgy
Explanation: the hydrometallurgical a. Use of certain micro-organisms (bacteria) biological catalysis (Some people think that is the biological oxidation), so that the metal is dissolved in aqueous solution World steel pipe network editing , followed by extraction of metals from the solution in the ore. Bacteria metallurgy with simple equipment, easy operation, low production costs, can recycling a variety of metal with little or no other solvent characteristics, especially suitable for processing lean ore, tailings, mine waste and slag. China is the world's oldest bacteria metallurgyWorld Steel Pipe , as early as the Northern Song Dynasty, there are many mines use bacteria metallurgy copper, then known as the gall bladder flooding copper.