Effect of Different Solvent Extractants on the Activity and Community Structure of Acidophilic Microorganisms

Bo Wei Chen; Wen Juan Li; Gui Ying Zhou; Xing Yu Liu; Jian Kang Wen

doi:10.4028/www.scientific.net/AMR.1130.222

Paper Titles

Saline Water Bioleaching with Thermophilic Fe(II) Oxidising Microorganisms
p.205

Role of Microbial Activity in Bioleaching of a Pyritic and a Pure Chalcopyrite Concentrate
p.209

Oxygen-Enriched Gas in Bioleaching Stirred Reactors and its Impact on the Consortium Behaviour
p.214

Organic Carbon Utilisation by Iron(II)-Oxidising Bacteria Sulfobacillus thermosulfidooxidans and Alicyclobacillus Strain FP1 that Inhabit Copper Sulfide Leaching Heaps
p.218

Effect of Different Solvent Extractants on the Activity and Community Structure of Acidophilic Microorganisms
p.222

Ferrous Iron Oxidation in Packed-Bed Reactors at Elevated Temperatures
p.226

Iron Oxidation and Jarosite Precipitation in a Continuous Two-Stage 70°C Archaeal Bioreactor
p.230

Optode-Based Oxygen Measurements in Bioleaching Reactors
p.234

Aspergillus niger PSSG8 Mediated Bioleaching of Monazite for the Recovery of Rare Earth and other Metal Constituents
p.238

HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1130Effect of Different Solvent Extractants on the...

Effect of Different Solvent Extractants on the Activity and Community Structure of Acidophilic Microorganisms

Abstract:

The effect of solvent extractants, such as M5774, Cyanex 272, P204, P507 and N235, on the activity and community structure of acidophilic microorganisms were tested. Cobalt extractant Cyanex 272 did not show much inhibition effect on the growth of acidophiles, while iron extractant N235 had great inhibition effect. When the culture solution contacted with iron extractant P204, nickel extractant P507 and copper extractant M5774, the inhibition effect increased gradually. 16S rRNA gene clone library were used to analyze the initial and extractant contacted final microbial community structure. The initial inoculation microbial populations were mainly composed by Leptospirillum ferriphilum and Acidithiobacillus ferrooxidans. After cultivated in solution containing extractant M5774, Cyanex 272, P204 and P507, the number of the two species decreased, while heterophilic Acidiphilium cryptum became the dominant population. When cultured by M5774 and Cyanex 272, the proportion of Acidithiobacillus ferrooxidans was higher than Leptospirillum ferriphilum, while when cultivated by P204 and P507, the number of Leptospirillum ferriphilum was higher.

You might also be interested in these eBooks

Biotechnologies in Mining Industry and Environmental Engineering

View Preview

Info:

Periodical:

Advanced Materials Research (Volume 1130)

Pages:

222-225

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1130.222

Citation:

Cite this paper

Online since:

November 2015

Authors:

Bo Wei Chen, Wen Juan Li, Gui Ying Zhou, Xing Yu Liu, Jian Kang Wen

Keywords:

Acidophile, Bioleaching, Solvent Extractant

Export:

RIS, BibTeX

Price:

Permissions CCC:

Request Permissions

Permissions PLS:

Request Permissions

Сopyright:

Citation:

References

[1] [B.W. Chen, W.J. Li, X.Y. Liu, G.Y. Zhou and J.K. Wen: J. Cent. South Univ. Technol. (2010) Vol. 17, p.1196.

Google Scholar

[2] H.R. Watling, F.A. Perrot, D.W. Shiers, A. Grosheva and T.N. Richards: Hydrometallurgy. (2009) Vol. 95, p.302.

Google Scholar

[3] C.S. Davis-Belmar, I. Gallardo, C. Demergasso and G. Rautenbach: Hydrometallurgy. (2012) Vol. 129-130, p.135.

DOI: 10.1016/j.hydromet.2012.09.004

Google Scholar

[4] C.S. Davis-Belmar, M. Acosta, V. Schoen, G. Rautenbach and C. Demergasso: Adv. Mater. Res. (2013), Vol. 825, p.340.

Google Scholar

[5] T. Oved, A. Shaviv and T. Goldrath: Appl. Env. Microbiol. ( 2001) Vol. 67, p.3426.

Google Scholar

[6] J. D. Thompson, T. J. Gibson and F. Plewniak: Nucleic Acids Research (1997) Vol. 24, p.4876.

Google Scholar

[7] P. D. Schloss and J. Handelsman: Appl. Env. Microbiol. (2005) Vol. 71, p.1501.

Google Scholar

[8] Chao: Scand. J. Stat. (1984) Vol. 11, p.265.

Google Scholar

[9] K. Tamura, J. Dudley, M. Nei: Molecular Biology and Evolution (2007) Vol. 24, p.1596.

Google Scholar