Results 71 to 80 of about 1,776 (188)

Draft genome sequence of chloride-tolerant Leptospirillum ferriphilum Sp-Cl from industrial bioleaching operations in northern Chile [PDF]

open access: yes, 2016
Indexación: Web of Science; PubMedLeptospirillum ferriphilum Sp-Cl is a Gram negative, thermotolerant, curved, rod- shaped bacterium, isolated from an industrial bioleaching operation in northern Chile, where chalcocite is the major copper mineral and ...
Acosta, Mauricio   +12 more
core   +1 more source

Electrochemical Dissolution of Chalcopyrite Concentrates in Stirred Reactor in the Presence of Acidithiobacillus ferrooxidans

open access: yesInternational Journal of Electrochemical Science, 2015
In this work, a new stirred reactor was designed and then a comparative study of bioleaching using stirred reactor and shake flask was carried out to investigate the bioleaching performance of the new stirred reactor.
Hongbo Zhao   +4 more
doaj   +1 more source

Advances in bioleaching as a sustainable method for metal recovery from e-waste:A review [PDF]

open access: yes, 2019
Electronic waste (e-waste) accumulation on earth is a serious environmental challenge. The need for heavy metal recovery, together with the profitability of precious and base metals, are strong incentives for researchers to find a sustainable method for ...
Bahaloo-Horeh, Nazanin   +4 more
core   +1 more source

The fox Operon from Rhodobacter Strain SW2 Promotes Phototrophic Fe(II) Oxidation in Rhodobacter capsulatus SB1003 [PDF]

open access: yes, 2007
Anoxygenic photosynthesis based on Fe(II) is thought to be one of the most ancient forms of metabolism and is hypothesized to represent a transition step in the evolution of oxygenic photosynthesis.
Croal, Laura R.   +2 more
core   +1 more source

Recent Advances in Hydro- and Biohydrometallurgy [PDF]

open access: yes, 2019
This Special Issue of Minerals presents recent, select studies that highlight advances in the fields of hydro- and biohydrometallurgy. It aims to attract the interest of readers and especially of young scientists and students in this fascinating scientific discipline.
openaire   +3 more sources

Visualization of Spin Polarized States in Biologically-Produced Ensembles of Ferromagnetic Palladium Nanoparticles [PDF]

open access: yes, 2012
We report visualization of spin polarized states in macroscopic ensembles of biologically-produced ferromagnetic palladium nanoparticles using the Faraday effect-based technique of magneto-optical imaging. The ferromagnetic palladium only exists in the
Attard, G.A.   +5 more
core  

Scientific, Educational, and Environmental Considerations Regarding Mine Sites and Geoheritage: A Perspective from SE Spain [PDF]

open access: yes, 2011
Should abandoned mine sites be eligible for some official protection under the umbrella of geoconservation? Providing they have enough educational and scientific value, the answer is affirmative, and we suggest that they should be granted protection ...
López Andrés, Sol   +3 more
core   +2 more sources

Investigation of particles with high crack density produced by HPGR and its effect on the redistribution of the particle size fraction in heaps [PDF]

open access: yes, 2013
The application of comminution technology such as the High-pressure grinding rolls (HPGR), which is able to generate a high density of cracks in the ore particles, is favourable for leaching processes.
Ghorbani, Yousef   +5 more
core   +1 more source

Microbial ecology of Thiobacillus ferrooxidans [PDF]

open access: yes, 1990
FINAL TECHNICAL REPORT TO U.S. DEPARTMENT OF THE INTERIOR Geological Survey Washington. D.C.The contents of this report were developed in part under a grant from the Department of the Interior, U.S. Geological Survey.
Braddock, Joan F.   +5 more
core  

The Reclamation of Industrial Wastes Inclusive Sulphates by Sulphate-Reducing Bacteria [PDF]

open access: yes, 2004
The objective of our study was to verify experimentally the possibility of using coal mine drainage and gypsum from the stabilizate (the final product from the combustion desulphurisation) as the source of sulphate for the cultivation of SRB with the ...
Alena Luptáková, Mária Kušnierová
core  

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