Leaching of pyrite by acidophilic heterotrophic iron-oxidizing bacteria in pure and mixed cultures.

@article{BacelarNicolau1999LeachingOP,
  title={Leaching of pyrite by acidophilic heterotrophic iron-oxidizing bacteria in pure and mixed cultures.},
  author={Paula Bacelar-Nicolau and David Barrie Johnson},
  journal={Applied and environmental microbiology},
  year={1999},
  volume={65 2},
  pages={585-90}
}
Seven strains of heterotrophic iron-oxidizing acidophilic bacteria were examined to determine their abilities to promote oxidative dissolution of pyrite (FeS2) when they were grown in pure cultures and in mixed cultures with sulfur-oxidizing Thiobacillus spp. Only one of the isolates (strain T-24) oxidized pyrite when it was grown in pyrite-basal salts medium. However, when pyrite-containing cultures were supplemented with 0.02% (wt/vol) yeast extract, most of the isolates oxidized pyrite, and… CONTINUE READING
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