Acidithiobacillus ferrooxidans
Pyrite oxidation under initially neutral pH conditions and in the presence of Acidithiobacillus ferrooxidans and micromolar hydrogen peroxide
... could also be enhanced in the presence of Acidithiobacillus ferrooxidans. These ex- plain the observed low concentration of total Fe in the solutions. As mentioned above, the trend that the planktonic cell ...
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Enhancing iron oxidation efficiency by a native strain of Acidithiobacillus ferrooxidans via response surface methodology, and characterization of proteins involved in metal resistance by proteomic approach
... of Acidithiobacillus ferrooxidans have been evaluated by the utilization of response surface methodology, ...A. ferrooxidans, ribulose large bisphosphate carboxylase subunit, and holo ...
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BIOFILM FORMATION BY ACIDITHIOBACILLUS FERROOXIDANS ON PYRITE ORE
... Since Acidithiobacillus often appears in leaching heaps or reactors, this genus has aroused ...acidophile Acidithiobacillus ferrooxidans were ...
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FE SEM Study of Microbially Formed Jarosites by Acidithiobacillus ferrooxidans
... of Acidithiobacillus ferrooxidans to the morphology of micro- bially formed jarosite was investigated using a field emission type of scanning electron microscopy ...
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Hemp Fibres as Novel Green Support Material for Immobilization of Acidithiobacillus ferrooxidans
... The suitability of hemp fibres as green support material for immobilization of Acidithiobacillus ferrooxidans cells in ferrous iron bio-oxidation process was investigated. A series of experiments were ...
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Biochemical characterization of metal dependent 3 deoxy D manno octulosonate 8 phosphate synthases from Chlorobium tepidum & Acidithiobacillus ferrooxidans : a thesis presented in partial fulfillment of the requirements for the degree of Masterate of Science in Biochemistry at Massey University, Turitea, Palmerston North, New Zealand
... Although only a small number of metallo and non-metallo KDO8P synthases have been fully or partially characterized, the phylogenetic analysis presented by Jensen et al (figure 1.3) separates the two groups on the basis ...
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Electrochemical Dissolution of Chalcopyrite Concentrates in Stirred Reactor in the Presence of Acidithiobacillus ferrooxidans
... Acidithiobacillus ferrooxidans is one of the most commonly studied bacteria in bioleaching, it is also considered as the dominate population in most acid mine drainage (AMD) as its strong abilities to ...
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Investigation of Interface Reactions and Electrochemical Behaviors of Chalcopyrite Dissolution in Different Leaching Mediums
... Therefore, the aim of present work is to discuss the detailed interface reactions of chalcopyrite dissolution in the presence of different pH values and different bioleaching bacteria. The bacteria involve ...
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Ecologically Safe Directions of the Low Rank Coal Bioconversion | Journal of Engineering Sciences
... In study [20], low-rank lignite coal sample collected from Jining coalfield of Shandong province in China was subjected to desulphurization by using a new bacteria and Acidithiobacillus ferrooxidans ...
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Electrochemical behaviour of L-cysteine on massive chalcopyrite (CuFeS2)bioleached by leptospirillum ferrooxidans
... The main problems associated with chalcopyrite bioleaching are that leaching is slow and often incomplete [7]. Most researchers have suggested that the low chalcopyrite dissolution rate is rooted in a passivation layer ...
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Draft genome sequence of Acidithiobacillus thiooxidans CLST isolated from the acidic hypersaline Gorbea salt flat in northern Chile
... genus Acidithiobacillus comprises a group of obligatory acidophilic, Gram negative, rod shaped bacteria that derive energy from the aerobic oxidation of reduced sulfur com- pounds (RISCs) to support autotrophic ...
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Inhibition of Microbial Pyrite Oxidation by PropS-SH for the Control of Acid Mine Drainage
... like Acidithiobacillus ferrooxidans, which plays an important role and is unavoidable in AMD formation, is ...of Acidithiobacillus ferrooxidans and the nature of the coated pyrite surface are ...
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Effect Of Coagulant Recycling on Chemically Enhanced Primary Treatment Performance
... Acidithiobacillus ferrooxidans culture as sludge conditioner. Reuse of acid coagulant-recovered drinking waterworks sludge residual to remove phosphorous from wastewater. A[r] ...
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Efficacy of Bacterial Adaptation on Copper Biodissolution from a Low Grade Chalcopyrite Ore by A ferrooxidans
... With the depletion of high grade resources of ores, there is a need to process low grade/discarded ores and tailings to meet the current demand of metals. The existing con- ventional processes are not suitable to recover ...
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Effects of Thiobacillus Ferrooxidans on corrosion of AISI 4140 Steel in presence of oil biodiesel
... Thiobacillus ferrooxidans on AISI 4140 Alloy Steel with chromium and molybdenum high hardenability and good fatigue resistance, abrasion and impact influenced by Thiobacillus ...Thiobacillus ferrooxidans, ...
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The optimization of Cu and Fe bioleaching from converter slag using Acidithiobacilus ferrooxidans
... initial pulp density of 1.4 g/100 mL. The decreasing initial pH had a positive effect on Fe recovery. At. ferrooxidans is an acidophilic bacterium, preferring a lower pH for optimum growth. This led to more proton ...
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Stimulatory Effect of Chemical Nutrients on Desulfurization of Indial Coal by a Mutant Thiobacillus ferrooxidans X200
... Thiobacillus ferrooxidans was obtained from the Department of Molecular Biology, Biophysics and Genetic Engineering, University of ...Thiobacillus ferrooxidans X 200 which had a higher sulfure removing ...
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Permanent draft genome of Thiobacillus thioparus DSM 505T, an obligately chemolithoautotrophic member of the Betaproteobacteria
... Thiobacillus thioparus , Thiobacillus denitrificans and Sulfuricella denitrificans of the Betaproteobacteria [12]; 96 of these genes came from the two Thiobacillus spp. However, very little gene transfer has taken place ...
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Bioelectrochemical Changes During the Early Stages of Chalcopyrite Interaction with Acidithiobacillus thiooxidans and Leptospirillum sp.
... Cu sulfide is intensively studied to gain fundamental knowledge at improving copper extraction. Bioleaching is a growing technology to recover Cu during chalcopyrite dissolution; thus, the fate of chalcopyrite oxidation ...
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Draft genome sequence of the type strain of the sulfur-oxidizing acidophile, Acidithiobacillus albertensis (DSM 14366)
... Fig. 1 Phylogenetic tree based on 16S rDNA sequence information position of A. albertensis strain DSM 14366 T (type strain = T ) relative to other type and non-type strains within the acidithiobacilli. The strains and ...
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