Results 101 to 110 of about 4,911 (215)

Concrete specimens biodeterioration by bacteria of Acidithiobacillus thiooxidans and Desulfovibrio genera

Biodeterioration can be seen as a process, which decreases value of materials and constructions and has been defined as the deterioration of materials of economic importance by organisms.
Luptáková, Alena, Harbuľáková, Vlasta, Števulová, Nadežda, Janák, Gabriel, Eštoková, Adriana   +4 more
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Imaging of acidithiobacillus ferrooxidans by AFM and analysis of AFM curves

, 2009
The aim of the present investigation is to obtain tapping mode images of Acidithiobacillus ferrooxidans and interfacial forces between Acidithiobacillus ferrooxidans cells and silicon nitride tip of AFM.
Natarajan, K. A., Chandraprabha, M. N.
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Selection procedures of consortia bacterial with A. ferrooxidans like bacteria and A. thiooxidanslike bacteria in coal biodesulfurization process

Revista Facultad de Ingeniería Universidad de Antioquia, 2013
In a flask, biodesulfurization processes of a coal with high sulfur content were evaluated. The particle size of coal ranged between 0.24 cm – 0.06 cm.
Gerardo Andrés Caicedo, Marco Antonio Márquez   +1 more
doaj  

Iron and sulfur utilisation patterns in chemolithotrophic cultures

, 2012
In this study, the growth and behaviour of chemolithotrophic organisms in the presence of both ferrous and tetrathionate ions was investigated. Given the impact of chemolithotrophic metabolic activity upon the chemistry and leaching of mineral sulfide ...
Shiers, Denis
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Characterization and comparison of various Iron Oxidizers Isolated from Indian Mines for Biohydrometallurgical Processes

, 2012
Not ...
Ansari, Parveenbano A.
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Mecanismo de selección de consorcios bacterianos compatibles con A. ferrooxidans y A. thiooxidans en procesos de biodesulfurización de carbón

Revista 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, Marco Antonio Márquez   +1 more
doaj  

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

Biology
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, Kelong Chen, Xinye Wang, Wei Ji, Ziwei Yang, Xia Wang, Junmin Li   +6 more
doaj   +1 more source

Comparsion of bioleaching of copper sulphides by Acidithiobacillus ferrooxidans

, 2015
Bioleaching of copper sulphides were investigated. The results show that the copper extraction from djurleite, bornite, covellite and chalcopyrite under the optimal conditions were 95.12, 84.5, 54.1, and 18.33%, respectively.
Lin, Hai, Jiang, Wufei, Zeng, Ping, Luo, Deqiang, Fu, Kaibin   +4 more
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Aplicaciones en la biometalurgia

Revista 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  

Analyse comparative et fonctionnelle des génomes du genre Acidithiobacillus

, 2016
Les bactéries acidophiles du genre Acidithiobacillus joue un rôle important dans les activités industrielles de récupération des métaux au sein des sites miniers.
Tran, Thi thanh tam
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