Results 131 to 140 of about 13,609 (251)

Recuperación de cobre mediante lixiviación bacteriana de minerales sulfurados a partir de un consorcio bacteriano aislado de bornita de la zona de Taulis-Calquis de la provincia San Miguel de Pallaques Cajamarca [PDF]

open access: yes, 2018
En el presente trabajo de investigación se evaluó la extracción de Cu a partir de minerales sulfurados de la zona Taulis – Calquis – San Miguel de Pallaques – Cajamarca, relave y de otros sulfuros para poder validar y contrastar el procedimiento en ...
Cruzado Cabanillas, Anthony Pierre   +1 more
core  

Mecanismo de selección de consorcios bacterianos compatibles con A. ferrooxidans y A. thiooxidans en procesos de biodesulfurización de carbón

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2010
A nivel de erlenmeyer, se evaluaron procesos de biodesulfurización de un carbón rico en azufre con un tamaño de partícula entre 0,24 cm - 0,06 cm, empleando consorcios bacterianos de cepas compatibles con Acidithiobacillus ferrooxidans y compatibles con ...
Gerardo Andrés Caicedo   +1 more
doaj  

Response Mechanism of cbbM Carbon Sequestration Microbial Community Characteristics in Different Wetland Types in Qinghai Lake

open access: yesBiology
Carbon-sequestering microorganisms play an important role in the carbon cycle of wetland ecosystems. However, the response mechanism of carbon-sequestering microbial communities to wetland type changes and their relationship with soil carbon remain ...
Ni Zhang   +6 more
doaj   +1 more source

Cement Composites Biodeterioration by Acidithiobacillus Thiooxidans

open access: yesWSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT
The focus of this work was to study the biodeterioration of special cement composites by sulfur-oxidizing bacteria Acidithiobacillus thiooxidans. The laboratory prepared cement composites that contained the selected additives - silica fume (a secondary raw material) and zeolite (a natural raw material), as partial replacements for the binder. The tests
Alena Luptakova   +2 more
openaire   +1 more source

Charge Transport in Bifidobacterium animalis subsp. lactis BB-12 under the various Atmosphere

open access: yes, 2019
The influence of relative humidity (RH) on quasistatic current-voltage ${(I-V)}$ characteristics of Bifidobacterium animalis subsp. lactis BB-12 thin layers have been studied for the first time.
Altındal, A.   +5 more
core   +1 more source

Effect of ferrous iron loading on dewaterability, heavy metal removal and bacterial community of digested sludge by Acidithiobacillus ferrooxidans.

open access: yesJournal of Environmental Management, 2021
Guiqin Cai   +6 more
semanticscholar   +1 more source

Comparative microbial ecology of the water column of an extreme acidic pit lake, Nuestra Señora del Carmen, and the Río Tinto basin (Iberian Pyrite Belt) [PDF]

open access: yes, 2015
The Iberian Pyrite Belt, located in Southwestern Spain, represents one of the world’s largest accumulations of mine wastes and acid mine drainages.
Antonio García-Moyano   +5 more
core   +1 more source

Aplicaciones en la biometalurgia

open access: yesRevista de Química, 2009
El presente trabajo experimental tuvo dos partes: La primera, fue la biolixiviación de tres minerales sulfurados utilizando como agente de biol ixivi ación microorganismos pertenecientes al género de los Acidithiobacil/us.
Delia Ho Lock
doaj  

Disolución de hierro de un concentrado complejo de esfalerita por Acidithiobacillus ferrooxidans [PDF]

open access: yes, 2008
En el presente trabajo se empleó una cepa de Acidithiobacillus ferrooxidans (Af) para biolixiviar el hierro pirítico presente en un concentrado de sulfuro de zinc con un contenido de 1,41% en peso de hierro.
Castillo, P.   +5 more
core  

Electricity generation by microorganisms in the sediment-water interface of an extreme acidic microcosm [PDF]

open access: yes, 2011
The attachment of microorganisms to electrodes is of great interest for electricity generation in microbial fuel cells (MFC) or other applications in bioelectrochemical systems (BES).
Amils, Ricardo   +4 more
core  

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