关键词：生物浸出；布氏酸菌；嗜酸嗜热菌；紫金山铜矿 [gap=9283]Key words: bioleaching; Acidianus brierleyi; acidophilic thermophile; Zijin copper ore
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利用严格无机化能自养型嗜热嗜酸菌（KY-2菌株）对低品位原生硫化铜矿进行柱浸试验研究。
The column leaching experiments of the primary ore of copper sulfide with thermoacidophile, KY-2 strain, are conducted.
寻求能耐受较高温度，又能保持较强铁氧化性和硫氧化性的嗜热嗜酸菌对生物冶金具有重要的现实意义。
Searching for a kind of thermoacidophilic bacterium that can bear high temperature while maintaining strong iron sulfur oxidation ability is of great significance to biological metallurgy.
结果表明，嗜热嗜酸菌对低品位原生硫化铜矿的较强适应性 需经较长时间的连续驯化才能获得。
The results show that the adaptability of thermoacidophile to the primary ore of copper sulfide can be achieved by culture continuously in long term.
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