Results 91 to 100 of about 7,369 (206)
Étude biogéochimique de la production du cuivre par la recherche de Thiobacillus ferrooxidans et Leptospirillum ferrooxidans [PDF]
Objectifs: L’objectif de cette étude était de rechercher une éventuelle présence de bactéries Ferrooxydantes, en particulier les Thiobacillus et les Leptospirillum, et d’évaluer leur contribution dans la lixiviation des minerais de cuivre.Méthodologie et
Banza, K.P. +3 more
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Stability of copper tolerance in Thiobacillus ferrooxidans [PDF]
A strain of Thiobacillus ferrooxidans MAL-4-1 was adapted to grow at higher concentrations of copper by repeated subculturing in the presence of increasing levels of added cupric ions in 9K medium.
Rao, G. Ramananda +2 more
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Impacto provocado por la minería en la zona de Santa Lucía: evaluación físico–química
En el trabajo se presenta la evaluación de los impactos ambientales provocados por la actividad minera en el campo mineral Santa Lucía-Castellanos, ubicado al noroeste de la provincia de Pinar del Río, Cuba.
Damaris Gallardo-Martínez +3 more
doaj
Electrochemistry of Thiobacillus ferrooxidans reactions with pyrite. Final report
A cyclic voltammetry technique was used to study the interactions of pyrite during bioleaching with the bacterium Thiobacillus ferrooxidans. Potential effects of heavy metals (silver and mercury) and varying the pH on the iron oxidizing ability of the ...
De, G. C. +3 more
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Background and Objective: Batteries can be hazardous to the environment and human health due to their toxic compounds. In this study, for detoxification and recovery of metals from spent coin batteries, a two-step bioleaching using Acidithiobacillus ...
T Naseri, N Bahaloo Horeh, SM Mousavi
doaj
Oxidative dissolution of covellite by Thiobacillus ferrooxidans
Oxidation of research-grade covellite was investigated in respirometric and growth experiments with Thiobacillus ferrooxidans. Covellite was directly oxidized by T.
Monteiro, V. F. [UNESP] +7 more
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The Mária mine, particularly the Strieborná vein, in Rožňava, is one of the most important mines in Slovakia, containing Ag-bearing tetrahedrite (40–46 wt% Cu, 26 wt% Sb, ~1 wt% Ag), making it an important source of strategic and critical raw materials ...
Lenka Hagarová, Daniel Kupka
doaj +1 more source
Oxidative dissolution of chalcopyrite by Thiobacillus ferrooxidans
The oxidative dissolution of research-grade chalcopyrite was characterized in respirometric and growth experiments with Thiobacillus ferrooxidans. In respirometric experiments with chalcopyrite, the pH of mineral salts medium increased to values that ...
Garcia, O. [UNESP] +7 more
core +1 more source
Bioleaching technology is being developed as a cost-beneficial and environmentally friendly strategy for the removal of metal ions from sewage sludge. Therefore, this study aims to evaluate the feasibility of bioleaching process for the removal of heavy ...
Reza Shokoohi +5 more
doaj +1 more source
The immobilisation of the iron-oxidising bacteria Thiobacillus ferrooxidans on nickel alloy fibre as support is described. This matrix showed promise for application in iron oxidation under strongly acidic conditions.
Cantero, D., Gómez, J. M., Webb, C.
core +3 more sources

