Paper Title:
The Characterization of Salt Tolerance in Biomining Microorganisms and the Search for Novel Salt Tolerant Strains
  Abstract

In this study an acidic saline drain in the Western Australian wheat belt was sampled and enriched for salt tolerant chemolithotrophic microorganisms in acidic media containing up to 100 gL-1 NaCl. A mixed consortium was obtained which grows at pH 1.8 and oxidises iron (II) in the presence of up to 30 gL-1 NaCl. In comparative tests (growth rates and iron (II) oxidation rates) it was found that NaCl concentrations >3.5 gL-1 generally cause reduced growth and iron (II) oxidation rates in known biomining organisms. The results help to set a benchmark for NaCl tolerance in known biomining microorganisms and will lead to the generation of a consortium of microorganisms that can oxidise iron (II) effectively in saline process water.

  Info
Periodical
Advanced Materials Research (Volumes 71-73)
Edited by
Edgardo R. Donati, Marisa R. Viera, Eduardo L. Tavani, María A. Giaveno, Teresa L. Lavalle, Patricia A. Chiacchiarini
Pages
283-286
DOI
10.4028/www.scientific.net/AMR.71-73.283
Citation
C. M. Zammit, L.A. Mutch, H. R. Watling, E. L.J. Watkin, "The Characterization of Salt Tolerance in Biomining Microorganisms and the Search for Novel Salt Tolerant Strains", Advanced Materials Research, Vols. 71-73, pp. 283-286, 2009
Online since
May 2009
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Price
$32.00
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