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优势菌种浸取电解锰渣中锰的影响因素研究

Keywords: 优势菌种,微生物浸出,电解锰渣,影响因素,浸取效率

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Abstract:

采用电解锰废渣中分离出的一种锰抗性强的微生物Fusariumsp.浸取电解锰渣中的锰。研究了不同矿浆浓度、微生物生长活动、锰渣和培养基等对锰浸取效率的影响。结果表明,接种体积比为2%(v/v)时,矿浆浓度(m/v)对锰浸取效率影响显著,矿浆浓度过低(<2%)或者过高(>10%)对锰浸取效率都有不利影响。矿浆浓度为10%时锰浸取效率最高,达80%以上;微生物的生长活动对浸取过程有显著的影响;而锰渣的存在则能在一定程度上影响溶液的pH,进而影响锰浸取效率;培养基对锰浸取效率的贡献达50%左右。

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