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氧化亚铁硫杆菌培养过程中沉淀的研究 被引量:18

Study of Precipitation Produced during Culture of Thiobacillus ferrooxidans
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摘要 为了减少氧化亚铁硫杆菌培养过程中产生的沉淀,对氧化亚铁硫杆菌培养过程中产生的沉淀物进行了研究,确定了在pH为1.5,K2HPO4 用量为0.25g/l,KH2PO4 为0.195g/l时菌体可以保持其最高氧化活性,同时产生最少量沉淀物的培养条件,并发现沉淀物对菌体的生长和氧化Fe2+没有影响。利用饥饿状态的氧化亚铁硫杆菌证明了菌体在一定条件下可以利用黄铁钒沉淀中的部分离子进行生长繁殖。 Studied the precipitation during T.f growing for reduceing the precipitation then determined the optimum condition:pH 1.5,K_2HPO_4 0.25g/l and KH_2PO_4 0.195g/l.In this condition T.f could obtain the fastest oxidation of ferrous iron,meanwhile the precipitation produced was the least.Also found that the precipitation don't effect the growth of T.f and the oxidation of Fe^(2+).It was proved that T.f could utilize some kinds of ions in the precipitation for its growth.
出处 《生物技术》 CAS CSCD 2005年第2期66-69,共4页 Biotechnology
基金 中国石油天然气总公司华北石化分公司资助项目
关键词 氧化亚铁硫杆菌 黄铁钒 培养条件 Thiobacillus ferrooxidans(T.f) jarosite culture condition
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参考文献6

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二级参考文献17

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