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    Moderately thermophilic, iron-oxidizing acidophiles were enriched from coal collected from an open-cut mine in Collie, Western Australia. Iron-oxidizers were enriched in fluidized-bed reactors (FBR) at 60 °C and 70 °C; and iron-oxidation rates were determined. Ferrous iron oxidation by the microbiota in the original coal material was inhibited above 63 ˚C. In addition to four iron-oxidizers ...

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  • (PDF) Acidophile Microbiology in Space and Time

    The study of extreme acidophiles, broadly defined as microorganisms that grow optimally at pH values below 3, was initiated by the discovery by Waksman and Joffe in the early 1900s of a bacterium ...

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  • Novel acidophiles isolated from moderately .

    In our initial phylogenetic characterisation of Wheal Jane acidophiles, four of the predominant (from plate counts) iron-oxidising microbes (WJ2, WJ4, WJ5 and WJ18; see Table 2) were purified by repeated single colony isolation on FeTo plates before growth in a liquid medium containing 5 mM ferrous sulfate, 5 mM sodium thiosulfate and 0.025% TSB (initial pH ∼3.8).

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  • Acid mine drainage - Wikipedia

    Acid mine drainage, acid and metalliferous drainage (AMD), or acid rock drainage (ARD) is the outflow of acidic water from metal mines or coal mines.. Acid rock drainage occurs naturally within some environments as part of the rock weathering process but is exacerbated by large-scale earth disturbances characteristic of mining and other large construction activities, usually within rocks ...

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  • Microbial communities in acid mine drainage | .

    Phylogeny of prokaryotic 16S rRNA genes from acid mine drainage and bioleaching sites (in bold) with reference lineages. * indicate lineages known to contain facultative anaerobes and φ appear to be obligate aerobes. The lineages in blue have no cultivated members to date. Lineages in red are not known to be able to utilize sulfur, only iron oxidizers. Putative divisions are shown near each ...

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  • Geochemical Niches of Iron-Oxidizing Acidophiles in Acidic ... · PDF Datei

    Geochemical Niches of Iron-Oxidizing Acidophiles in Acidic Coal Mine Drainage Daniel S. Jones, a * Courtney Kohl, Christen Grettenberger, Lance N. Larson, b * William D. Burgos, b Jennifer L. Macalady a

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  • Acidithiobacillus ferrooxidans: Trends in .

    Acidithiobacillus ferrooxidans is by far the most widely studied of all extremely acidophilic prokaryotes. While it is found in many types of natural low-pH environments in a variety of geoclimatic contexts, it has been more widely cited in anthropogenic (mostly mine-impacted) environments. It is responsible for accelerating the oxidative dissolution of sulfide minerals, causing the generation ...

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    acidophiles from coalmine - postcatcherin. About half of the coal mine discharges in Pennsylvania have pH under 5 However, Nomenclature Novel acidophiles isolated from moderately acidic Novel acidophiles isolated from moderately acidic Physico-chemical and microbiological data of AMD from an abandoned coal mine, Heterotrophic acidophiles, ther coalmine mubarik samar mand sectoe . .

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    acidophiles in a coal mine discharge. Presented at the 21st Annual Goldschmidt Geochemistry Conference, Prague, Czech Republic, August 2011. Acidophile topic. Acidophiles or acidophilic organisms are those that thrive under highly refers to the outflow of acidic water from metal mines or coal mines . Novel acidophiles isolated from moderately acidic mine Acidophilic heterotrophs were ...

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  • Geochemical Niches of Iron-Oxidizing .

    Iron-oxidizing acidophiles can overcome this kinetic barrier and promote equation 3 even under extremely acidic conditions, and thus they can play an important catalytic role in low-pH AMD treatment. Specific iron oxidation rates for acidophilic isolates range from 192 to 532 mg min −1 g protein −1 for autotrophic strains and from 191 to 449 mg min −1 g protein −1 for heterotrophic ...

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  • acidophiles from coal mine - .

    Acidophiles in acid mine drainage - Wikipedia. The outflow of acidic liquids and other pollutants from mines is often catalysed by acid-loving . Acid mine drainage may occur in the mine itself, the spoil heap (particularly colliery spoils from coal mining), or through some other activity that.

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  • Ingersoll Mobile Lighting For Coalmine

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    The Monongah coal mine explosion, acidophiles from coalmine; mining and aggregate conveyors; complete contact details of coal mines pakistan; kangra group coal mines; police canary in a coal mine . complete contact details of coal mines pakistanri. coal mines contact number zcrushercoal mines contact number msha home crusher solution 16 somkhele coal mine contact details print email .

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  • Acidophilic algae isolated from mine-impacted .

    Acidophilic algae isolated from mine-impacted environments and their roles in sustaining heterotrophic acidophiles. ... Controls on the nature and distribution of an alga in coal mine-waste environments and its potential impact on water quality. Environ. Geol. 40, 458–469 [Google Scholar] Bridge T. A. M., Johnson D. B. (2000). Reductive dissolution of ferric iron minerals by Acidiphilium ...

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  • Geochemical niches of Iron-oxidizing .

    TY - JOUR. T1 - Geochemical niches of Iron-oxidizing acidophiles in acidic coal mine drainage. AU - Jones, Daniel S. AU - Kohl, Courtney. AU - Grettenberger, Christen

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  • Geochemical niches of iron-oxidizing .

    Geochemical niches of iron-oxidizing acidophiles in acidic coal mine drainage. Jones DS, Kohl C, Grettenberger C, Larson LN, Burgos WD, Macaladya JL. A legacy of coal mining in the Appalachians has provided a unique opportunity to study the ecological niches of iron-oxidizing microorganisms. Mine-impacted, anoxic groundwater with high dissolved-metal concentrations emerges at springs and seeps ...

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