Results 91 to 100 of about 1,142 (184)

Influencia de la concentración de hierro y pH iniciales en un proceso de biodesulfurización de carbón – ensayos a nivel de laboratorio

Revista Colombiana de Biotecnología, 2011
Título en ingles: Particle size, iron concentration and pH influence in biodesulfurization process of coal – laboratory tests   Resumen   A un carbón proveniente del municipio de Puerto Libertador, Córdoba-Colombia (2.34% de azufre total, con 1.34 ...
Gerardo Andrés Caicedo Pineda, Marco Antonio Márquez Godoy, Claudia Ximena Moreno Herrera   +2 more
doaj  

Bioleaching in batch tests for improving sludge dewaterability and metal removal using Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans after cold acclimation

, 2017
Bioleaching is a promising technology for removal of metals from sludge and improvement of its dewaterability. Most of the previous studies of bioleaching were focused on removal of metals; bioleaching in cold environments has not been studied ...
Songfeng Zhu, Lulu He, Yonghong Li, Ruiqin Zhang, Qingyang Zhou, Wei Nie, Jingqing Gao   +6 more
core   +1 more source

Estudio funcional de la vía del segundo mensajero C-DI-GMP de Acidithiobacillus thiooxidans DSM 9463

, 2014
Las biopelículas son ecosistemas microbianos organizados conformados por múltiples clases de microorganismos envueltos en una matriz extracelular sobre una superficie viva o inerte.
Diaz Fuenzalida, Mauricio Javier
core  

Adaptation of Acidithiobacillus ferrooxidans, Acidithiobacillus thiooxidans and Leptospirillum ferrooxidans strains on sphalerite concentrate from mining waste

, 2019
One of the main characteristics of the microorganisms used in the leaching process is their capacity to adapt to aggressive environments, characterized by a notable presence of heavy metals.
Miranda Arroyave, Lina M., Ocampo Carmona, Luz Marina, Márquez Godoy, Marco Antonio   +2 more
core  

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

Dyna, 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., MARCO MÁRQUEZ G., DARIO GALLEGO S., GAMALIEL PACHECO   +3 more
doaj  

Producción de sustancias poliméricas extracelulares de los microorganismos acidófilos Leptospirillum ferrooxidans y Acidithiobacillus thiooxidans en medio puro y modificado con un mineral aurífero refractario. [PDF]

, 2017
La biooxidación en la industria se utiliza como un pre-tratamiento para la recuperación de oro. Las sustancias poliméricas extracelulares (EPS) están relacionadas con la formación de biopelículas y junto con los iones férricos oxidan el mineral aurífero.
Ordóñez Salcedo, Jonathan Alejandro
core  

Molecular Characterization Of Acidithiobacillus Ferrooxidans And A. Thiooxidans Strains Isolated From Mine Wastes In Brazil.

, 2015
Nineteen strains of Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans, including 12 strains isolated from coal, copper, gold and uranium mines in Brazil, strains isolated from similar sources in other countries and the type strains of the ...
Paulino, L C, Manfio, G P, de Mello, M P, Bergamo, R F, Ottoboni, L M, Garcia, O   +5 more
core  

Feasibility Study of Mine Tailing's Treatment by Acidithiobacillus thiooxidans DSM 26636

, 2018
Among the diverse types of pollutants produced by anthropogenic activities, metals represent a serious threat, due to their accumulation in ecosystems and their elevated toxicity. The mine tailings of abandoned mines contain high levels of metals such as
I. Rodríguez-Pozos, M. Gómez-Ramírez, R. A. Avalos-Zuñiga, N. G. Rojas-Avelizapa, A. Rivas-Castillo   +4 more
core   +1 more source

Comparison Of Bioleaching Of Metals From Spent Petroleum Catalyst Using Acidithiobacillus Ferrooxidans And Acidithiobacillus Thiooxidans

, 2013
{"references": ["M. Marafi, A. Stanislaus, \"Options and process for spent catalyst handling and utilization\" J. Hazard. Mater. Vol. 101, p.123-132, 2003.", "M. Marafi, A. Stanislaus, \"Spent catalyst waste management: A review Part I-Developments in hydroprocessing catalyst waste reduction and use\" Res. Conserv. Recyc. Vol. 52, p.859-873, 2008.", "D.
Haragobinda Srichandan, Ashish Pathak, Dong Jin Kim, Seoung-Won Lee   +3 more
openaire   +1 more source

Bioleaching of Lithium-Ion Battery Black Mass: A Comparative Study on Gluconobacter oxydans and Acidithiobacillus thiooxidans

Metals
The growing demand for lithium-ion batteries (LIBs) requires efficient and sustainable recycling solutions. This study investigates bioleaching as an alternative to conventional hydrometallurgical methods, focusing on (i) organic acid-mediated leaching ...
Matthias Markus Mandl, Reinhard Lerchbammer, Eva Gerold   +2 more
doaj   +1 more source