Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Tamara F. Kondrat'eva"'
Publikováno v:
Microbiology. 87:326-338
A thermoacidophilic consortium of chemolithotrophic microorganisms oxidizing the concentrate of high-pyrrhotite pyrite−arsenopyrite ore at 38–40°C was isolated. The most active members of the consortium were identified as Leptospirillum ferriphi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d127fa8f7c4230cd8c01506eae0f9a03
https://doi.org/10.1134/s0026261718030086
https://doi.org/10.1134/s0026261718030086
Autor:
Zylikha K. Kanayeva, Aleksander Bulaev, Tamara F. Kondrat'eva, Maxim I. Muravyov, Ashimkhan Toktasynovich Kanayev
Publikováno v:
Advanced Materials Research. 1130:459-462
Refractory sulfide ores are ubiquitous resources of gold around the world. It was demonstrated that biooxidation pretreatment of refractory whole ores could be conducted in heaps. The effectiveness of column biooxidation of off-balance gold ores from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::acbc615b05f06bee0dbc3e4bbe619141
https://doi.org/10.4028/www.scientific.net/amr.1130.459
https://doi.org/10.4028/www.scientific.net/amr.1130.459
Autor:
Iraida A. Tsaplina, Aleksandr Belyi, Tamara F. Kondrat'eva, Maxim I. Muravyov, A. G. Bulaev, Natalia Solopova, N. V. Grigor’eva, A. E. Panyushkina
Publikováno v:
Advanced Materials Research. 1130:59-62
Using molecular genetic methods, 10 species wereidentified in the community of neutrophilic microorganisms isolated from thebioreactor during the process of biooxidation of gold-arsenicpyrrhotite-bearing sulfide ore flotation concentrate. The microbi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b75c4b9b4b5f80eea261f11b73cdf0f1
https://doi.org/10.4028/www.scientific.net/amr.1130.59
https://doi.org/10.4028/www.scientific.net/amr.1130.59
Publikováno v:
Advanced Materials Research. 1130:359-362
A bioprocess for oxide-sulfide copper flotation concentrates has been proposed. It includes: i) chemical step – leaching with sulfuric acid solution and subsequent high temperature ferric leaching with microbially produced Fe3+-containing solution,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9658006060f3ef2c5dae1e816e38e1bc
https://doi.org/10.4028/www.scientific.net/amr.1130.359
https://doi.org/10.4028/www.scientific.net/amr.1130.359
Publikováno v:
Microbiology. 84:636-643
The efficiency of biooxidation for treatment of a double-refractory gold-bearing sulfide ore concentrate from the Bakyrchik deposit (East Kazakhstan) was defined. The experiments were conducted in two different modes, i.e., with the standard liquid m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec583b6155b236d81a4f696d1ebf2710
https://doi.org/10.1134/s0026261715050033
https://doi.org/10.1134/s0026261715050033
Publikováno v:
Microbiology. 84:370-376
Acidithiobacillus ferroxidans strains were isolated from acidophilic microbial communities of Kazakhstan sulfide ore deposits. Their biotechnologically important properties (optimal and maximal growth temperatures and resistance to NaCl) were determi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fef34bfad104200191cf7dbc6807f3d9
https://doi.org/10.1134/s0026261715030091
https://doi.org/10.1134/s0026261715030091
Publikováno v:
Microbiology. 84:177-189
Out of two communities of acidophilic chemolithotrophic microorganisms (ACM), a mesophilic and a thermophilic ones, the latter was selected due to its higher rate of sulfur oxidation and pH decrease to >1 in the presence of coal ashes (CA). The struc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3fd284e14e65409515b377b0a556f984
https://doi.org/10.1134/s0026261715020174
https://doi.org/10.1134/s0026261715020174
Publikováno v:
Applied Biochemistry and Microbiology. 51:75-82
We examined the ferric leaching and biooxidation steps in a two-step biooxidation process of a gold-bearing sulfide concentrate containing pyrrhotite, arsenopyrite and pyrite. Ferric leaching of the concentrate (pulp density at 200 g/L) for 2 hours a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3eb0bb95f818ac6584459bee4d3ae632
https://doi.org/10.1134/s0003683815010111
https://doi.org/10.1134/s0003683815010111
Publikováno v:
Minerals Engineering. 64:63-66
A complex process for the recovery of copper and zinc from mining and metallurgical wastes has been investigated and proposed. It includes sulfuric acid leaching of old pyrite flotation tailings to produce ferric containing leach solution; followed b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebbe0f7b8bf47957945d11b549a9f5cd
https://doi.org/10.1016/j.mineng.2014.04.007
https://doi.org/10.1016/j.mineng.2014.04.007
Publikováno v:
Microbiology. 83:539-549
An aboriginal community of thermophilic acidophilic chemolithotrophic microorganisms (ACM) was isolated from a sample of pyrite gold-bearing flotation concentrateat 45-47 degrees C and pH 1.8-2.0. Compared to an experimental thermoacidophilic microbi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7bf418f6b8a3b1749e5e5239d3b1dd7
https://doi.org/10.1134/s0026261714040146
https://doi.org/10.1134/s0026261714040146