The Effect of Ammonium Sulfate on the Sulphate Reducing Bacteria Bio-Derived Material

Guang Yuan Wang; Xing Yu Liu; Qi Yuan Gu; Ming Jiang Zhang; Jian Kang Wen

doi:10.4028/www.scientific.net/KEM.723.529

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 723The Effect of Ammonium Sulfate on the Sulphate...

The Effect of Ammonium Sulfate on the Sulphate Reducing Bacteria Bio-Derived Material

Abstract:

The lead-zinc tailings, a kind of hazardous wastes, containing large amount of heavy metals with high extraction toxicity, which would be released into solution with water, oxygen, microorganism and make the environment contaminated. Sulfide ion and alkaline substance were produced with the growth and anaerobic metabolism of sulphate reducing bacteria, inhibiting the oxidation and release of heavy metal ions from the lead-zinc tailings. Sulphate reducing bacteria attached on the calcined activated carbon while growing in the nutrient solution, which could be used to decline heavy metal ions as bio-derived material. Inorganic nitrogen source could be used by autotrophic bacteria effectively and was negative for the sulphate reducing bacteria to deposit toxic elements in the solution.

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Proceedings of International Conference on Material Science and Engineering 2016

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Periodical:

Key Engineering Materials (Volume 723)

Pages:

529-533

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.723.529

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Online since:

December 2016

Authors:

Guang Yuan Wang, Xing Yu Liu*, Qi Yuan Gu, Ming Jiang Zhang, Jian Kang Wen

Keywords:

Nitrogen Source, Removal of Toxic Elements, Sulphate Reducing Bacteria

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