BIOLEACHING OF HEAVY METALS IN ESTUARINE SEDIMENT BY
THIOBACILLUS FERROXOIDANS

Liu Yu; Yang Hui; Meng Xiangkun; Liu Zhenying; Li Yin

doi:10.13205/j.hjgc.201506024

Volume 33 Issue 6

Sep. 2015

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2015 > 33(6): 107-111

Liu Yu, Yang Hui, Meng Xiangkun, Liu Zhenying, Li Yin. BIOLEACHING OF HEAVY METALS IN ESTUARINE SEDIMENT BYTHIOBACILLUS FERROXOIDANS[J]. ENVIRONMENTAL ENGINEERING , 2015, 33(6): 107-111. doi: 10.13205/j.hjgc.201506024

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Liu Yu, Yang Hui, Meng Xiangkun, Liu Zhenying, Li Yin. BIOLEACHING OF HEAVY METALS IN ESTUARINE SEDIMENT BY THIOBACILLUS FERROXOIDANS[J]. ENVIRONMENTAL ENGINEERING , 2015, 33(6): 107-111. doi: 10.13205/j.hjgc.201506024

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BIOLEACHING OF HEAVY METALS IN ESTUARINE SEDIMENT BY THIOBACILLUS FERROXOIDANS

doi: 10.13205/j.hjgc.201506024

Publish Date: 2015-06-22

Abstract

Abstract

A strain of Thiobacillus ferrooxidans ( T． f) was successfully isolated from the acidic sediment of a pyrite mine in Tianjin． And the strain was identified by its morphology and DNA sequence． Moreover，the paper researched bioleaching of heavy metals in estuarine sediment． The results demonstrated that T． f could start bioleaching quickly and heavy metals could be removed efficiently by bioleaching technology． And with 7 g /L of ferrous sulfate，15% of sludge-inoculation ratio，30 ℃ of temperature，and 3 g /L of sulfur，the maximum removal efficiencies of Cu，Zn and Hg were 80. 6%，63. 9% and 82. 5% respectively．

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