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Comparison of chalcopyrite bioleaching after different microbial enrichment in shake flasks
(2013)
The bioleachings of chalcopyrite ore were
compared after inoculating different cultures enriched from
the original acid mine drainage sample. The results showed
that the higher bioleaching performance was achieved ...
Biological and chemical control in copper bioleaching processes: When inoculation would be of any benefit?
(Elsevier, 2014)
© 2014 Elsevier B.V. All rights reserved.Bioleaching of secondary and low-grade copper ores in heaps and dumps today is a well-established technology. However, there is still a strong need to improve the copper leaching ...
Complete genome sequence of the bioleaching bacterium Leptospirillum sp group II strain CF-1
(ELSEVIER SCIENCE BV., 2016)
We describe the complete genome sequence of Leptospirillum sp. group II strain CF-1, an acidophilic bioleaching bacterium isolated from an acid mine drainage (AMD). This work provides data to gain insights about adaptive ...
In situ recovery of copper sulfide ores: Alternative process schemes for bioleaching application
(Elsevier, 2020)
There is a growing interest in exploring the application of bioleaching for treating copper sulfide ores of decreasing grade and located at larger depth by in situ recovery (ISR) for its potential savings in ore extraction, ...
Electrochemical study of the catalytic influence of Sulfolobus metallicus in the bioleaching of chalcopyrite at 70 °C
(Elsevier, 2006)
The catalytic influence of Sulfolobus metallicus in bioleaching of chalcopyrite at 70 °C and pH 1.7 was characterized from studies of anodic dissolution of a chalcopyrite concentrate at constant potential. Experiments were ...
The bioleaching potential of a bacterial consortium
(Elsevier, 2016)
This work presents the molecular foundation of a consortium of five efficient bacteria strains isolated from copper mines currently used in state of the art industrial-scale biotechnology. The strains Acidithiobacillus ...
Integration of biological networks for Acidithiobacillus thiooxidans Describes a modular gene regulatory organization of bioleaching pathways
(Frontiers Media, 2020)
Acidithiobacillus thiooxidansis one of the most studied biomining species, highlighting its ability to oxidize reduced inorganic sulfur compounds, coupled with its elevated capacity to live under an elevated concentration ...
The extremophile Acidithiobacillus ferrooxidans possesses a c-di-GMP signalling pathway that could play a significant role during bioleaching of minerals
(WILEY-BLACKWELL, 2012-02)
Aims: The primary goal of this study was to characterize the existence of a functional c-di-GMP pathway in the bioleaching bacterium Acidithiobacillus ferrooxidans. Methods and Results: A bioinformatic search revealed that ...
Comparative genomic analysis of carbon and nitrogen assimilation mechanisms in three indigenous bioleaching bacteria: predictions and validations
(BIOMED CENTRAL LTD, CURRENT SCIENCE GROUP, 2008-12-03)
Background: Carbon and nitrogen fixation are essential pathways for autotrophic bacteria living in extreme environments. These bacteria can use carbon dioxide directly from the air as their sole carbon source and can use ...
AHL signaling molecules with a large acyl chain enhance biofilm formation on sulfur and metal sulfides by the bioleaching bacterium Acidithiobacillus ferrooxidans
(Springer-Verlag, 2013-04)
Biofilm formation plays a pivotal role in bioleaching activities of bacteria in both industrial and natural environments. Here, by visualizing attached bacterial cells on energetic substrates with different microscopy ...