Results 91 to 100 of about 2,547 (199)

Hydrogen sulfide removal from biogas using a salak fruit seeds packed bed reactor with sulfur oxidizing bacteria as biofilm [PDF]

open access: yes, 2016
A packed bed reactor was evaluated for hydrogen sulfide (H2S) removal by sulfur-oxidizing bacteria attached as a biofilm on salak fruit seeds (SFS). The bacteria were isolated from the sludge of the wastewater of a biogas plant.
Al Mamun   +33 more
core   +1 more source

Feasibility study on the microbial separation of iron from slime [PDF]

open access: yes, 2011
Bio-mineral processing is the generic term that describes the processing of metal containing ores, concentrator tailings, newly mined run-of-the-mine (ROM) material, and intermediate to high-grade ores using (micro-) biological technology.
N, Rohini
core  

The Ecology of Acidophilic Microorganisms in the Corroding Concrete Sewer Environment

open access: yesFrontiers in Microbiology, 2017
Concrete corrosion is one of the most significant problems affecting valuable sewer infrastructure on a global scale. This problem occurs in the aerobic zone of the sewer, where a layer of surface corrosion develops on the exposed concrete and the ...
Guangming Jiang   +3 more
doaj   +1 more source

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

open access: yes, 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   +3 more
openaire   +1 more source

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

open access: yesRespuestas, 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. In this study the adaptation of the strains Acidithiobacillus ferrooxidans, Acidithiobacillus thiooxidans and Leptospirillum ferrooxidans was evaluated on a ...
Lina M. Miranda Arroyave   +2 more
openaire   +2 more sources

Preparation of pyrite-arsenopyrite concentrate for gold leaching through the use of polyreagent complexes

open access: yesГорные науки и технологии, 2016
The article focuses on the causes of refractoriness of sulfide ore stock with superdispersed gold inclusions. In order to increase gold recovery, a hypothesis about effective (peroxide) preparation of refractory raw materials in the process of leaching ...
L. V. Shumilova
doaj   +1 more source

Bacterial Diversity in the Uranium Mill-Tailing Gittersee as Estimated via a 16S rDNA Approach [PDF]

open access: yes, 2005
Bacterial diversity in a soil sample collected from uranium mill-tailings called Gittersee and situated near the city of Dresden, Germany, was analysed by using a culture-independent 16S rDNA approach exploiting PCR ampli cation primers 7F and 1513R. The
Satchanska, Galina   +1 more
core  

Bioleaching of chalcopyrite concentrate using Leptospirillum ferriphilum, Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans in a continuous bubble column reactor

open access: yesJournal of Industrial Microbiology & Biotechnology, 2009
To estimate the bioleaching performance of chalcopyrite for various hydraulic residence times (HRTs), laboratory-scale bioleaching of chalcopyrite concentrate was carried out in a continuous bubble column reactor with three different HRTs of 120, 80 and 40 h, respectively.
Lexian, Xia   +5 more
openaire   +2 more sources

Bioleaching of Lateritic Nickel Ore using Chemolithotrophic Micro Organisms(Acidithiobacillus ferrooxidans) [PDF]

open access: yes, 2007
In this study, the recovery of nickel from a low grade ore was attempted employing a chemolithotrophic micro organism, a bacteria, named Acidithiobacillus ferrooxidans.
Doshi, Jayesh, Mishra, Soumya Darshan
core  

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