Results 101 to 110 of about 2,517 (213)

Isolation of Thiobacillus spp. and its application in the removal of heavy metals from activated sludge [PDF]

open access: yes, 2016
Two strains of Thiobacillus isolated from native excess activated sludge were identified as Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans by 16S rRNA gene sequencing and physiological-biochemical characteristics.
Deng, Fei   +6 more
core   +2 more sources

Single and cooperative bioleaching of sphalerite by two kinds of bacteria—Acidithiobacillus ferriooxidans and Acidithiobacillus thiooxidans

open access: yesTransactions of Nonferrous Metals Society of China, 2008
Abstract A cooperative bioleaching ( Acidithiobacillus ferriooxidans and Acidithiobacillus thiooxidans ) and single bioleaching ( Acidithiobacillus ferriooxidans or Acidithiobacillus thiooxidans ) of sphalerite were investigated by X-ray diffractometry, energy dispersive spectrography and scanning electron microscopy.
Le-xian XIA   +6 more
openaire   +1 more source

Culture-Dependent Approach for Determining Microbial Diversity in Soils from KCM/AGRIA Region [PDF]

open access: yes, 2005
Significant shifting of the microbial communities structure was detected in three metal-polluted soils collected around the Pb-Zn smelter KCM and the agrochemicals factory AGRIA, situated near the town of Plovdiv, Bulgaria.
Golovinsky, Evgeny   +5 more
core  

EVALUACIÓN Y CARACTERIZACIÓN MINERALÓGICA DEL PROCESO DE BIOOXIDACIÓN EN UN REACTOR CONTINUO DE TANQUE AGITADO

open access: yesDyna, 2010
La biooxidación del mineral refractario de oro de la mina El Zancudo (TitiribíAntioquia) se realizó en un reactor continuo de tanque agitado usando microorganismos nativos acidófilos compatibles con Acidithiobacillus ferrooxidans y Acidithiobacillus ...
DIANA ARROYAVE G.   +3 more
doaj  

Biominería: Los Microorganismos en la Extracción y Remediación de Metales [PDF]

open access: yes, 2017
La biominería comprende una serie de procesos microbiológicos que pueden ser utilizados para la recuperación de metales a partir de los minerales. Esta alternativa, de menor impacto ambiental y que requiere menor infraestructura y recursos que las ...
Bernadelli, Cecilia   +3 more
core   +1 more source

The Role of Geochemical Modeling in Predicting Quality Evolution of Acid Mine Drainage [PDF]

open access: yes, 2004
In recent years the massive reduction of raw materials production brings a wide scale of problems. Among the most frequent exposes of mining activities belong besides old spoil heaps and sludge lagoons, also the drainage of acidic and highly mineralized ...
Andrea Šlesárová
core  

Monitoring CO2 and H2S emission in live Austrian and UK concrete sewer pipes [PDF]

open access: yes, 2015
Corrosion of concrete sewer pipes induced by sulfuric acid is an acknowledged problem and a ticking time-bomb to sewer operators. Whilst the chemical reaction of the corrosion process is well-understood, the indirect roles of other parameters in the ...
Alani, Amir, Romanova, Anna
core   +1 more source

Biooxidación de concentrados refractarios de oro con alto contenido de arsénico [PDF]

open access: yes
La biooxidación es una tecnología alternativa para el aprovechamientode minerales tales como el cobre, oro, platay otros. Los minerales auríferos son en muchos casos refractariosa los tratamientos tradicionales, y requieren decondiciones tecnológicas ...
García Alvear, Nancy   +1 more
core  

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

open access: yes, 2023
En este TFG se ha realizado la identificación, el análisis y la semicuantificación de los compuestos de la fracción orgánica de las bacterias Acidithiobacillus, concretamente los Ferrooxidans y los Thiooxidans. Para la determinación de estos compuestos, se ha seguido una serie de procesos para preparar la muestra para poder ser inyectada en el ...
openaire   +1 more source

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