Bacterial removal of pyrite from concentrated coal slurries
β Scribed by G. Andrews; M. Darroch; T. Hansson
- Publisher
- John Wiley and Sons
- Year
- 1988
- Tongue
- English
- Weight
- 743 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0006-3592
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π SIMILAR VOLUMES
More than 90% of initial pyritic sulfur was removed from bituminous coal samples (containing 2.1 O/ O pyritic sulfur) using the thermophilic organism Sulfolobus acido- caldarius. Microbial desulfurization rate was improved nearly ten fold by adjusting the NIP and NlMg ratios in the nutrient medium.
Reduction of sulfur by bacterial leaching from a high sulfur-bearing coal sample from Assam was attempted. Flotation of the sample with light diesel oil could not depress the pyrite and also the Thiobacillus ferrooxidans was found to be ineffective in leaching the sulfur from the Β―otation concentrat