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氧化亚铁硫杆菌浸铜研究及胞外多聚物的作用

Keywords: 氧化亚铁硫杆菌,生物浸出,,胞外多聚物

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Abstract:

为了获得氧化亚铁硫杆菌(Acidithiobacillusferrooxidans,A.f.)以及胞外多聚物(extracellularpolymericsubstances,EPS)对铜浸出的作用结果,进行了透析袋实验,设置2个处理,2者的浸出液均为成熟菌液,但一个将铜片装入透析袋中以隔离A.f.及EPS与铜的直接接触。结果表明:(1)菌液的处理和加透析袋的处理中铜都得到了浸出,240h铜的浸出浓度分别为6796mg/L和1366mg/L,可知<

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