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    • 2. 发明申请
    • METHOD OF LEACHING COPPER SULFIDE ORE
    • 浸出铜硫化物的方法
    • US20100313713A1
    • 2010-12-16
    • US12625678
    • 2009-11-25
    • Takenari KUWAZAWAAkira MIURA
    • Takenari KUWAZAWAAkira MIURA
    • C22B15/00
    • C22B3/18C22B15/0071Y02P10/234Y02P10/236
    • An object of the present invention is to provide a method of copper leaching without reducing the growth of iron-oxidizing bacterium and the iron-oxidizing capacity when leaching copper from a copper sulfide ore with the use of a sulfuric acid solution to which iron-oxidizing bacteria and silver have been added.The present invention provides a method of leaching copper from a copper sulfide ore, characterized by comprising adding a naturally occurring nitrogen-containing organic component to a leaching solution upon copper leaching from a copper sulfide ore with the use of, as the leaching solution, a sulfuric acid solution to which iron-oxidizing bacteria and silver have been added is provided.
    • 本发明的目的是提供一种铜浸出方法,而不会减少铁氧化细菌的生长,并且在从硫化铜矿石中浸出铜时使用铁氧化性硫酸溶液 添加了细菌和银。 本发明提供了一种从硫化铜矿中浸出铜的方法,其特征在于包括使用作为浸出溶液的铜从硫化铜矿中浸出的铜,将浸出溶液中的天然存在的含氮有机成分加入到浸出溶液中 提供了添加了铁氧化细菌和银的硫酸溶液。