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Sulfate Reduction Based Bioprocesses for the Treatment of Acid Mine Drainage and the Recovery of Metals
Biological sulfate reduction is increasingly replacing chemical unit processes in mining biotechnology. Sulfate reducing bacteria (SRB) can be used for treating ground‐ and surface watersExpand
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Effects of hydraulic retention time and sulfide toxicity on ethanol and acetate oxidation in sulfate‐reducing metal‐precipitating fluidized‐bed reactor
The effects of hydraulic retention time (HRT) and sulfide toxicity on ethanol and acetate utilization were studied in a sulfate‐reducing fluidized‐bed reactor (FBR) treating acidic metal‐containingExpand
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Optimization of metal sulphide precipitation in fluidized-bed treatment of acidic wastewater.
Sulphate-reducing biofilm and suspension processes were studied for treatment of synthetic wastewater containing sulphate, zinc and iron. With lactate supplemented wastewater with 170-230mg/l Zn andExpand
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Performance and Ethanol Oxidation Kinetics of a Sulfate-Reducing Fluidized-Bed Reactor Treating Acidic Metal-Containing Wastewater
The treatment of simulated acidic wastewater (pH 2.5–5)containing sulfate (1.0–2.2 g l-1), zinc (15–340 mg l -1) and iron (57 mg l -1) was studied in a sulfate-reducing fluidized-bed reactor (FBR) atExpand
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The relationship between instability of H2 production and compositions of bacterial communities within a dark fermentation fluidised‐bed bioreactor
Microbial community composition dynamics was studied during H2 fermentation from glucose in a fluidised‐bed bioreactor (FBR) aiming at obtaining insight into the H2 fermentation microbiology andExpand
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Simple organic electron donors support diverse sulfate-reducing communities in fluidized-bed reactors treating acidic metal- and sulfate-containing wastewater.
Bacterial diversity of lactate- and ethanol-utilizing sulfate-reducing fluidized-bed reactor (FBR) communities was investigated with culture-independent methods. The FBRs were fed for 500 days withExpand
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Sulfidogenic fluidized bed treatment of real acid mine drainage water.
The treatment of real acid mine drainage water (pH 2.7-4.3) containing sulfate (1.5-3.34 g/L) and various metals was studied in an ethanol-fed sulfate-reducing fluidized bed reactor at 35°C. TheExpand
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Dehalogenation Activities and Distribution of Reductive Dehalogenase Homologous Genes in Marine Subsurface Sediments
ABSTRACT Halogenated organic compounds serve as terminal electron acceptors for anaerobic respiration in a diverse range of microorganisms. Here, we report on the widespread distribution andExpand
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Acid bioleaching of solid waste materials from copper, steel and recycling industries
The aim of this work was to evaluate the feasibility of bioleaching for the solubilisation of metals from solid waste streams and by-products of copper, steel and recycling industries. The leachingExpand
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The performance, kinetics and microbiology of sulfidogenic fluidized-bed treatment of acidic metal- and sulfate-containing wastewater
Abstract A sulfidogenic fluidized-bed reactor (FBR) process was developed for treating acidic metal- and sulfate-containing wastewater. The process operating parameters were determined and theExpand
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