Comparative Study of Lanthanum, Vanadium, and Uranium Bioremoval Using Different Types of Microorganisms

Comparative Study of Lanthanum, Vanadium, and Uranium Bioremoval Using Different Types of... Wastewater, containing vanadium, uranium, and lanthanum are produced by mining, nuclear, and other industries. Bacteria Pseudomonas putida, Halomonas mono, and cyanobacterium Spirulina platensis were used for lanthanum, vanadium, and uranium, removal from aqueous solutions by means of biosorption and bioreduction processes. A rapid rate of metal adsorption was observed within the first 5–15 min of the reaction. The pseudo-first-order model was found to correlate well with the experimental data. Bacteria show higher metal biosorption in comparison with cyanobacteria. The strong involvement of carboxyl, hydroxyl, carboxyl, and amide groups in studied metal binding was ascertained by FT-IR spectroscopy. Bioreduction studies carried out with Pseudomonas putida and Halomonas mono cells showed highness of metal reduction in alkaline conditions, resulting in the bioreduction of 69 and 85% of vanadate ions and 48 and 64% of uranyl ions, respectively. Using geochemical modeling, the insoluble metal phases were determined. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Water, Air, & Soil Pollution Springer Journals

Comparative Study of Lanthanum, Vanadium, and Uranium Bioremoval Using Different Types of Microorganisms

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer International Publishing AG, part of Springer Nature
Subject
Environment; Environment, general; Water Quality/Water Pollution; Atmospheric Protection/Air Quality Control/Air Pollution; Soil Science & Conservation; Hydrogeology; Climate Change/Climate Change Impacts
ISSN
0049-6979
eISSN
1573-2932
D.O.I.
10.1007/s11270-018-3740-2
Publisher site
See Article on Publisher Site

Abstract

Wastewater, containing vanadium, uranium, and lanthanum are produced by mining, nuclear, and other industries. Bacteria Pseudomonas putida, Halomonas mono, and cyanobacterium Spirulina platensis were used for lanthanum, vanadium, and uranium, removal from aqueous solutions by means of biosorption and bioreduction processes. A rapid rate of metal adsorption was observed within the first 5–15 min of the reaction. The pseudo-first-order model was found to correlate well with the experimental data. Bacteria show higher metal biosorption in comparison with cyanobacteria. The strong involvement of carboxyl, hydroxyl, carboxyl, and amide groups in studied metal binding was ascertained by FT-IR spectroscopy. Bioreduction studies carried out with Pseudomonas putida and Halomonas mono cells showed highness of metal reduction in alkaline conditions, resulting in the bioreduction of 69 and 85% of vanadate ions and 48 and 64% of uranyl ions, respectively. Using geochemical modeling, the insoluble metal phases were determined.

Journal

Water, Air, & Soil PollutionSpringer Journals

Published: Feb 23, 2018

References

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