Selection of a community of acidochemolithotrophic microorganisms with a high oxidation rate of pyrrhotite-containing sulphide ore flotation concentrate
| Autor: | T. A. Pivovarova, V. S. Melamud, N. V. Grigor’eva, Iraida A. Tsaplina, A. G. Bulaev, A. E. Zhuravleva, P. V. Moshchanetskii, A. V. Belyi, Tamara F. Kondrat'eva |
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| Rok vydání: | 2013 |
| Předmět: |
Acidithiobacillus caldus
biology Ferroplasma acidiphilum Sulfobacillus thermosulfidooxidans Microorganism Metallurgy chemistry.chemical_element engineering.material biology.organism_classification Applied Microbiology and Biotechnology Biochemistry Sulfur chemistry Environmental chemistry engineering Composition (visual arts) Pyrrhotite Oxidation rate |
| Zdroj: | Applied Biochemistry and Microbiology. 49:495-501 |
| ISSN: | 1608-3024 0003-6838 |
| Popis: | A community of acidochemolithotrophic microorganisms with a high oxidation rate of pyrrhotite-containing sulphide ore flotation concentrate was selected. The Acidithiobacillus caldus OP-1 and Ferroplasma acidiphilum OP-2 cultures were identified to be dominating members. The presence of the Acidithio- bacillusferrooxidans OP-3, Leptospirillumferriphilum OP-4, and Sulfobacillus thermosulfidooxidans OP-5 cultures in the community's composition was also mentioned. The analysis results of solid residues of the process showed a greater elemental sulfur oxidation level and gold recovery when the initial pH value in tank I was maintained at a level of 1.8-2.0 (90.5%) rather than 1.6-1.8 (86.3%). |
| Databáze: | OpenAIRE |
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