Results 101 to 110 of about 1,142 (184)

Biological-Chemical Oxidation of Ore Minerals at Pezinok Deposit [PDF]

Acta Montanistica Slovaca, 2004
The article presents results of leaching experiments of the comparison between chemical and biological-chemical leaching, at the same conditions in solution, of ores from the Sb-(Au-) base metal deposit Pezinok (Malé Karpaty Mts., Western Carpathians ...
Martin Chovan, Jozef Stankovič, Marcel Adam, Mária Kušnierová, Peter Andráš, Andrea Šlesárová   +5 more
doaj  

Oxidação da calcopirita (CuFe S'IND.2') por Acidithiobacillus ferooxidans em presença de cisteína e de Acidithiobacillus thiooxidans

, 2008
O processo de biolixiviação é a utilização de bactérias, para a solubilização dos metais presentes em sulfetos minerais. As espécies mais estudadas são o Acidithiobacillus thiooxidans e o Acidithiobacillus ferrooxidans, embora outras espécies também ...
Blauth, Pricila Lidiane [UNESP]
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Growth characteristics of Acidithiobacillus thiooxidans in different sulfur concentrations

, 2018
The growth characteristics of sulfur-oxidizing bacteria, Acidithiobacillus thiooxidans AZ11, MET, and TAS were investigated in mineral salt media supplemented with elemental sulfur of 1-50 g L -1. The sulfur oxidation rates of A.
조경숙
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Genetic Analysis, Expression in Eschericia coli of Aconitase from Chemolithotrophic Acidithiobacillus thiooxidans [PDF]

, 2005
An aconitase from Acidithiobacillus thiooxidans was purified and characterized, and its gene was cloned. The cloned aconitase gene (acn) was expressed in Escherichia coli JM 109; aconitase activity was found in the cell extarct.
Tamura, Takashi, Tokuda, Chizuka, Kanahara, Yohei, Nakamura, Atsuo, Matsukawa, Hirokazu, Inagaki, Kenji   +5 more
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Biodétérioration de mortiers armés par Acidithiobacillus thiooxidans

, 2010
Les travaux menés dans le cadre de cette thèse abordent la biodétérioration des mortiers armés par les bactéries du genre Acidithiobacillus thiooxidans connues pour rapidement altérer les mortiers et bétons dans les égouts.
DAMIDOT, Denis, HAJJ CHEHADE, Mohamad
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Tolerance to copper and zinc of Acidithiobacillus thiooxidans isolated from sewage sludge

, 2005
The effect of copper and zinc ions on sulphur oxidation by Acidithiobacillus thiooxidans, strain SFR01, isolated from anaerobic sewage sludge was assessed, resulting in tolerance levels up to 20 and 200 mmol l(-1) for copper and zinc, respectively.
Garcia, O., Barreira, RPR, Villar, L. D.
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Bioleaching Process of Sewage Sludge and Anaerobically Digested Sludge via Indigenous Sulfur-Oxidizing Bacteria to Improve Dewaterability and Reduce Heavy Metal Content

Fermentation
This study investigated the role of indigenous inoculum (primarily sulfur-oxidizing Acidithiobacillus thiooxidans and other acidophilic bacteria) in heavy metal removal from sewage sludge (SS) and anaerobic digested sludge (ADS).
Suyun Xu, Yuze Jiang, Ruixiang Zou, Xuefeng Zhu, Hongbo Liu   +4 more
doaj   +1 more source

Identificació i anàlisi dels compostos orgànics d’un bacteri quimiolitòtrof: acidithiobacillus ferrooxidans i acidithiobacillus thiooxidans

, 2023
En aquest TFG s’ha realitzat la identificació, l’anàlisi i la semiquantificació dels compostos de la fracció orgànica dels bacteris Acidithiobacillus, concretament els Ferrooxidans i els Thiooxidans.
Said Benkhayi, Nadia
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Caracterización por Ardrea de microorganismos acidófilos aislados en minas de oro de Marmato, Colombia

Revista Colombiana de Biotecnología, 2007
La bio-oxidación de minerales mejora la recuperación de metales valiosos y disminuye el impacto negativo causado por los subproductos de las operaciones mineras, pero las interacciones de los microorganismos involucrados son poco conocidas. Con el objeto
Edna Judith Márquez F., Marco Márquez G., Victor Manuel Osorio E.   +2 more
doaj  

Biodeterioration of reinforced mortars by Acidithiobacillus thiooxidans

, 2010
Les travaux menés dans le cadre de cette thèse abordent la biodétérioration des mortiers armés par les bactéries du genre Acidithiobacillus thiooxidans connues pour rapidement altérer les mortiers et bétons dans les égouts.
Hajj Chehade, Mohamad
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