bioremediation of strontium sr contaminated aquifer
Situ bioremediation of contaminated groundwater Auburn
Nov 10, 1998 · What is claimed: 1. A method for removing inorganic and organic contaminants from contaminated groundwater in situ said method comprising: introducing a treatment solution comprising a soluble source of organic carbon, ferrous iron, and sulfate to said contaminated groundwater, and providing said contaminated groundwater with sufficient sulfatereducing bacteria to coprecipitate
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Bioremediation approaches show significant potential for the treatment of radioactively contaminated land. Bioreduction is a bioremediation technique applicable to key redox active radionuclides including technetium and typically involves stimulation of an in situ microbial community to develop reducing conditions in the subsurface.
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Bioremediation of Radiotoxic Elements under Natural Environmental Conditions. (Cs137), strontium (Sr90), and cobalt (Co60). These elements are characterised by very high radiological decay rates and short halflives. (VI) reduction by microbial community native to contaminated aquifers .
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However, no extensive studies in the past have been performed for bioremediation of Sr contaminated soil or aquifer sediments based on MICP. A thorough characterization and elucidation of underlying Sr bioremediation mechanisms in such contaminated sites will enable us
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Bioremediation of radioactive waste or bioremediation of radionuclides is an appliion of bioremediation based on the use of biological agents bacteria, plants and fungi (natural or genetically modified) to alyze chemical reactions that allow the decontamination of sites affected by radionuclides.
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Apr 13, 2004 · Disclosed are methods, devices and apparatus for bioremediation of mixed waste aquifers, based on a synergistic combination of reductive treatment using zerovalent iron and anaerobic biotransformatio
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Apr 26, 2013 · Radionuclides in the environment are a major human and environmental health concern. Like the Chernobyl disaster of 1986, the Fukushima Daiichi nuclear disaster in 2011 is once again causing damage to the environment: a large quantity of radioactive waste is being generated and dumped into the environment, and if the general population is exposed to it, may cause serious life
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Bioremediation20Exposure to this radiation can cause radiation burns and cancer. In addition, strontium (Sr) can replace calcium in bones and become concentrated enough to cause radiation injury from within the body. The problem with containment sites of these radioactive materials is that they can leak. Most of the leaking is
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Apr 12, 2003 ·&#[email protected]{osti_809819, title = {Calcite Precipitation and Trace Metal Partitioning in Groundwater and the Vadose Zone: Remediation of Strontium90 and Other Divalent Metals and Radionuclides in Arid Western Environments}, author = {F. Grant Ferris}, abstractNote = {In situ remediation is an emerging technology that will play an important role in DOE''s environmental
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Available online at com ScienceDirect Procedia Earth and Planetary Science 8 (2014) 53 – 58 International workshop "Uranium, Environment and Public Health", UrEnv 2013 Microorganisms Tools for Bioremediation of Uranium Contaminated Environments Chung APa, Sousa Ta, Pereira Aa,b, Morais PVa,c* a IMARCMA, Coimbra 3004517, Portugal b Department of Earth Sciences, FCTUC
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Apr 12, 2003 ·&#[email protected]{osti_809819, title = {Calcite Precipitation and Trace Metal Partitioning in Groundwater and the Vadose Zone: Remediation of Strontium90 and Other Divalent Metals and Radionuclides in Arid Western Environments}, author = {F. Grant Ferris}, abstractNote = {In situ remediation is an emerging technology that will play an important role in DOE''s environmental
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Dec 08, 2004 · Also, in situ MTBE bioremediation of a contaminated aquifer after addition of oxygen has been demonstrated at Port Hueneme Naval Construction Battalion Center (PH) in Oxnard, California, in both inoculated and uninoculated plots (Salanitro et al. 2000), and at Vandenberg Air Force Base, California, by native microbial communities (Wilson et al
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Bioremediation of radioactive waste or bioremediation of radionuclides is an appliion of bioremediation based on the use of biological agents bacteria, plants and fungi (natural or genetically modified) to alyze chemical reactions that allow the decontamination of sites affected by radionuclides.
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Evaluating the Potential of Native Ureolytic Microbes To Remediate a 90 Sr Contaminated Environment. In situ and ex situ bioremediation of radionuclidecontaminated soils at nuclear and norm sites. A.J. Francis, Y.V Bioremediation of strontium (Sr) contaminated aquifer quartz sand based on carbonate precipitation induced by Sr resistant
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Bioremediation of strontium (Sr) contaminated aquifer quartz sand based on carbonate precipitation induced by Sr resistant Halomonas sp By V. Achal, X. L. Pan and D. Y. Zhang. Year: 2012
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High amounts of radionuclides were released into the environment by the nuclear power plant accident of 2011 in Japan. Among the radioactive material, cesium, iodine, and strontium were especially dangerous because of their biophilic characteristics that allowed them to accumulate in living organisms, either as essential elements for iodine or analogs of potassium and calcium for cesium and
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The lack of biodegradation could be due to stratifiion within the aquifer, which reduces mixing of oxygen ated and BTEXcontaminated ground wa ter. In future work, variations in oxygen and contaminant concentration with depth should be examined to evaluate the im
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Bioremediation of strontium (Sr) contaminated aquifer quartz sand based on carbonate precipitation induced by Sr resistant Halomonas sp By V. Achal, X. L. Pan and D. Y. Zhang. Year: 2012
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Bioremediation of strontium (Sr) contaminated aquifer quartz sand based on carbonate precipitation induced by Sr resistant Halomonas sp. V Achal, X Pan, D Zhang Chemosphere 89 (6), 764768, 2012
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Bioremdiation of strontium (Sr) contaminated aquifer quartz sand based on carbonate precipitation induced by Sr resistant Halomonas sp Article in Chemosphere 89(6):7648 · July 2012 with 54 Reads
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approach to bioremediation, answer the need which is everywhere. By using an environmental systems approach to bioremediation, we make sure we know of any "fatal flaws" in the approach, get a much better handle on lifecycle cost analysis, and can grade an engineered solution into a natural attenuation solution. The whole
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Bioremediation of radioactive strontium contaminated sea water by biogenic Cacarbonate T. HORIIKE1, Y. DOTSUTA1, Radioactive strontium leaked into saline environments, including the ocean, by the Fukushima Daiichi Nuclear Power Sr and incorporated it
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Bioremediation Bioremediation means to use a biological remedy to abate or clean up contamination. This makes it different from remedies where contaminated soil or water is removed for chemical treatment or decontamination, incineration, or burial in a landfill.
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In addition, these technologies minimize worker exposure because contaminated materials are not brought to the surface. Finally, these technologies will minimize the generation of secondary waste streams with their associated treatment and disposal. A particularly promising in situ remediation technology is bioremediation.
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Dec 08, 2004 · Also, in situ MTBE bioremediation of a contaminated aquifer after addition of oxygen has been demonstrated at Port Hueneme Naval Construction Battalion Center (PH) in Oxnard, California, in both inoculated and uninoculated plots (Salanitro et al. 2000), and at Vandenberg Air Force Base, California, by native microbial communities (Wilson et al
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High amounts of radionuclides were released into the environment by the nuclear power plant accident of 2011 in Japan. Among the radioactive material, cesium, iodine, and strontium were especially dangerous because of their biophilic characteristics that allowed them to accumulate in living organisms, either as essential elements for iodine or analogs of potassium and calcium for cesium and
Get priceVarenyam Achal Google Scholar Citations
Bioremediation of strontium (Sr) contaminated aquifer quartz sand based on carbonate precipitation induced by Sr resistant Halomonas sp. V Achal, X Pan, D Zhang Chemosphere 89 (6), 764768, 2012
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At nuclear contaminated sites, microbiallymediated Fe(III) reduction under alkaline conditions opens up the potential for cotreatment of the groundwater contaminants 99Tc, though reduction to less mobile Tc(IV) phases, and 90Sr, through increased sorption and/or precipitation promoted at higher pH.
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Jul 14, 2018 · Achal, V., Pan, X., & Zhang, D. (2012a). Bioremediation of strontium (Sr) contaminated aquifer quartz sand based on carbonate precipitation induced by Sr resistant Halomonas sp. Chemosphere, 89(6), 764–768. CrossRef Google Scholar
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Achal V., Pan X., Zhang D. (2012) Bioremediation of Strontium (Sr) contaminated aquifer quartz sand based on calcite precipitation induced by Sr resistant Halomonas sp. Chemosphere 89: 764768. Achal V., Pan X., Zhang D., Fu Q.L. (2012). Bioremediation of Pbcontaminated soil based on microbially induced calcite precipitation.
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title = "Bioremediation of Strontium and Technetium Contaminated Groundwater using Glycerol Phosphate" abstract = "Groundwater at legacy nuclear facilities around the world is contaminated with radionuclides including strontium90 and technetium99, which are often present as cocontaminants.
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2.2. Sr bioremediation with glycerol phosphate. Sediment microcosms containing 10 ± 0.1 g of sediment and 100 ± 1 ml of artificial regional groundwater were set up to investigate the impact of glycerol phosphate on Sr contaminated groundwater.
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Aug 01, 2012 · Read "Effect of groundwater pH and ionic strength on strontium sorption in aquifer sediments: Impliions for 90 Sr mobility at contaminated nuclear sites, Applied Geochemistry" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publiions available at your fingertips.
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Bioremediation of radioactive waste or bioremediation of radionuclides is an appliion of bioremediation based on the use of biological agents bacteria, plants and fungi (natural or genetically modified) to alyze chemical reactions that allow the decontamination of sites affected by radionuclides.
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A method for removing heavy metals and halogenated hydrocarbons from contaminated groundwaters is provided. The method provides utilizing a treatment solution comprising a soluble source of organic carbon, ferrous iron, and sulfate. Additionally, the treatment solution may comprise sulfate reducing bacteria as well as nutrients for bacterial metabolism.
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HC300 is our finest professional product for the insitu and exsitu bioremediation of hydrocarbon contaminated soil. This formula was developed to specifically degrade light and heavy oil fractions. HC300 affords you the ability to degrade major gasoline range organics, DROs from #2 through #6 fuel oils, crude, tar, creosote and PAHs. The
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Bioremediation20Exposure to this radiation can cause radiation burns and cancer. In addition, strontium (Sr) can replace calcium in bones and become concentrated enough to cause radiation injury from within the body. The problem with containment sites of these radioactive materials is that they can leak. Most of the leaking is
Get priceVarenyam Achal Google Scholar Citations
Bioremediation of strontium (Sr) contaminated aquifer quartz sand based on carbonate precipitation induced by Sr resistant Halomonas sp. V Achal, X Pan, D Zhang Chemosphere 89 (6), 764768, 2012
Get priceRehabilitation of Radioactively Contaminated Soil: Use of
Achal V, Pan X, Zhang D (2012) Bioremediation of strontium (Sr) contaminated aquifer quartz sand based on carbonate precipitation induced by Sr resistant Halomonas sp. Chemosphere 89:764–768 CrossRef Google Scholar
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Strontium (Sr) is a naturally occurring alkaline earth metal that is common in marine systems and crustal materials. As its radioactive form (90 Sr) is highly toxic, there is an urgent need for remediation of Sr contamination in order to prevent its possible longterm effects on the population in the contaminated regions.Therefore, it is necessary to find a cost effective ecofriendly
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We have investigated an in situ bioremediation approach that immobilizes radionuclides or contaminant metals (e.g., strontium90) by their microbially facilitated coprecipitation with calcium carbonate in groundwater and vadose zone systems.
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Jul 14, 2018 · Achal, V., Pan, X., & Zhang, D. (2012a). Bioremediation of strontium (Sr) contaminated aquifer quartz sand based on carbonate precipitation induced by Sr resistant Halomonas sp. Chemosphere, 89(6), 764–768. CrossRef Google Scholar
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have a significant impact on a bioremediation project. Hazen et al. (1991) demonstrated that deep oligotrophic aquifers have dense attached communities of bacteria that are not reflected in the groundwater from that aquifer. This has serious impliions for the in situ bioremediation of deep contaminated aquifers, since monitor
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Strontium is a mineral that occurs naturally in the environment. Nonradioactive or "stable" strontium is very common in soil and bedrock and may dissolve, entering groundwater. Radioactive strontium does not occur in nature and is usually associated with nuclear power plants or nuclear weapons testing. This fact sheet deals with the occurrence of stable strontium in drinking water (P00292).
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