بيت /ore leaching microbial
In addition to the environmental and health issues related to solid waste disposal in the marine environment, solid wastes can be responsible for a range of economic impacts on marine and coastal ...
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The amount of coal gangue, a byproduct of coal mining and washing, is rapidly increasing with the growing trend of energy consumption. The accumulated coal gangue without appropriate utilization has resulted in a squander of resources, waste disposal and environmental pollution issues.
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PDF | World Soil Day was established in 2002 by the International Union of Soil Sciences (IUSS) to celebrate the importance of soil and its vital contributions to human health and safety. On ...
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In the production of lead batteries two antimony compounds occur: in the casting of grids antimony trioxide, and in the formation of lead plates workers from the gridcasting area and 14 workers from the formation area were examined with regard to the antimony concentration in blood (SbB) and urine (SbU). Antimony air concentrations (SbA) were measured by means of personal air ...
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Biodegradation is the biologically catalyzed modification of an organic chemical's structure. However, this modification can be through different metabolic pathways and does not necessarily mean a reduction in toxicity. Mineralization, one type of biodegradation, is defined as the conversion of an organic substance to its inorganic constituents, rendering the original compound harmless.
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SRM Number SRM Name Unit of Issue Price Per Unit Certificate Date
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Nitrate ion contamination of water resources is a growing concern. Capacitive deionization delivers lowcost, scalable, and selective ion removal via electrostatic adsorption of ions in porous electrodes.
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Bacteria Bacteria Bacteria in industry: Anaerobic sugar fermentation reactions by various bacteria produce different end products. The production of ethanol by yeasts has been exploited by the brewing industry for thousands of years and is used for fuel production. Specific bacteria carry out the oxidation of alcohol to acetic acid in the production of vinegar.
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As one of the largest environmental laboratory networks in the world, ALS has the resources and expertise to meet the analytical needs of all your projects.
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Lead can enter drinking water when plumbing materials that contain lead corrode, especially where the water has high acidity or low mineral content that corrodes pipes and fixtures. The most common sources of lead in drinking water are lead pipes, faucets, and fixtures. In homes with lead pipes ...
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Die meisten der bisher bekannten Archaeen sind Extremophile, d. h. den extremen Bedingungen ihrer Biotope angepasst. Viele Vertreter besitzen die Fähigkeit, bei sehr hohen Temperaturen (Hyperthermophile über 80 °C), sehr niedrigen oder sehr hohen pHWerten (Acidophile ), hohen Salzkonzentrationen oder hohen Drücken zu leben.
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Ecology and Industrial Applications. Interestingly, many isolations of A. ferrooxidans using purely inorganic media were thought to be pure cultures, however were actually contaminated with members of the genus Acidiphilium (16). This prompted scientists to .
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Summary. Acid mine drainage (AMD) refers to the outflow of acidic water from a mining site. In most cases, this acid comes primarily from oxidation of iron sulfide (FeS2, also known as pyrite or "fool's gold"), which is often found in conjunction with valuable metals. Acid mine drainage is a major problem with many hardrock mines, including almost all mines where the metal ore is bound up with ...
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Relating to an organism that cannot manufacture its own food and instead obtains its food and energy by taking in organic substances, usually plant or animal matter.
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Public health effects of antimony. The Agency for Toxic Substances and Disease Registry[] has composed a comprehensive account of the public health effects of antimony, including health effects by route of exposure (inhalation, oral, and dermal exposure), toxicokinetics (absorption, distribution, metabolism, and excretion), biomarkers of exposure, and effect, among other chapters.
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Thiourea is a white crystalline solid, both naturally occurring and synthetic, that is soluble in water, ammonium thiocyanate solution and the past, it was used as a photographic toning agent, a component of hair preparations and a dry cleaning agent.
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