Contaminated Sediments
PAHs-Bacterial Biodegradation Capability of Hydrocarbon-Contaminated Sediments
... in sediments have a high functional diversity and are exposed to natural compounds containing aromatic structure, sediments commonly contain some PAH-degraders, however these species comprise small part of ...
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Performance of electroremediation in real contaminated sediments using a big cell, periodic voltage and innovative surfactants
... real contaminated sediments with toxic metals and polycyclic aromatic hydrocarbons (PAHs), using a big laboratory EK cell, periodic voltage and recently tested non-ionic ...
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Everything goes somewhere; tracking the movement of contaminated sediments in an industrialised estuary using dual signature sediment tracers
... Source control i.e. the reduction of contamination from upstream or diffuse sources, is a critical element in any management plan for contaminated waterways. If source control measures are not successfully ...
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Enhancing microbial iron reduction in hyperalkaline, chromium contaminated sediments by pH amendment
... (Whittleston et al., 2011b). This soil was also found to contain bacteria capable of Fe(III) reduction when incubated in suitable growth media at pH 9.2 (Whittleston et al., 2011b). At elevated pH (i.e. above pH ~10.5) ...
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Toxicity and neurotoxicity profiling of contaminated sediments from Gulf of Bothnia (Sweden): a multi-endpoint assay with Zebrafish embryos
... Background: The toxicological characterization of sediments is an essential task to monitor the quality of aquatic environments. Many hazardous pollutants may accumulate in sediments and pose a risk to the ...
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Biomarkers for Redox-Active Genotoxins in Contaminated Sediments: A Mechanistic Approach
... Channel catfish exposed to sediments showed increased total hepatic glutathione, as did fish collected from the Buffalo River site in June. No differences were seen in laboratory expo[r] ...
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Enhancing microbial iron reduction in hyperalkaline, chromium contaminated sediments by pH amendment
... Classification using the RDP classifier [6] 95% Confidence threshold Firmicutes, Clostridia, Natranaerobiales, Natranaerobiaceae, Dethiobacter... RDP classification with 95% confidence t[r] ...
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A coupled modelling effort to study the fate of contaminated sediments downstream of the Coles Hill deposit, Virginia, USA
... The overall modelling process included a 1D hydraulic model to characterize the sediment transport process, a 2D ANSYS Fluent model to simulate the release of tailings from a contain[r] ...
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Assessment of Bioaugmentation and Biostimulation Efficiencies for Petroleum Contaminated Sediments
... Deferent results have been achieved about selection of appropriate bioremediation approach in case of light and heavy oil spill in the marine environment, and still it is lack of knowledge on application of ...
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Phytoremediation as a Promising Method for the Treatment of Contaminated Sediments
... pollutants, sediments and their geo-physico- chemical characteristics are widely used as environmental indicators of pollution in aquatic environments [7, 11, 12, 13, ...in sediments is determined by the ...
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Tracking the origin and dispersion of contaminated sediments transported by rivers draining the Fukushima radioactive contaminant plume
... months, which typically occurred after intense erosive events such as typhoons and snowmelt. We show that upstream contaminated soils are eroded during summer typhoons (June–October) before being exported during ...
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Factors Limiting Organic Carbon Degradation by Antibiotic-Resistant Heterotrophic Microorganisms in Wastewater Contaminated Sediments
... antibiotics was significantly more successful than fall enriched isolates, suggesting differences in the micro- bial composition of sampling sites. This difference may be attributed to the fact that summer samples were ...
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The use of Pb isotope ratios determined by magnetic sector ICP MS for tracing Pb pollution in marine sediments near Casey Station, East Antarctica
... Sediment cores were collected from the Casey Station area by divers during the southern summers of 1997-98 and 98-99, using an acid-washed plastic corer. In particular 4 cores were collected from Brown Bay, adjacent to ...
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Mass transport of contaminated soil released into surface water by landslides (Göta River, SW Sweden)
... Only a few studies have been reported on the effects on wa- ter quality from the mass movement. Some investigations have discussed the pollution of rivers and lakes from peat or bog flows and from bank erosion during ...
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In-Situ Assessment of PAHs in Contaminated Sea Sediments
... water, sediments and soils ...of contaminated sediments by using adsorptive equilibrium of pollutant in system solid matrix-water ...in sediments by perturbing the equilibrium between solid ...
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A Review of Environmental Implications of Dredging Activities
... historically contaminated sediments, compromising partially decomposed organic matter from dredging activities, resuspension of sediment partially accounted for higher concentrations of organic carbon in ...
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Trace Metal Contamination in Urban Sediments in Port Louis, Mauritius
... for contaminated sediments adopted from the draft standards (24% clay and 10% organic matter by weight) from ...urban sediments in ...urban sediments of ...
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The Applicability, Apprpriateness, and Enforcement of the "Background Levels" Standard for Contaminated Sediment Cleanup Under California State Water Resources Control Board Resolution 92-49
... for contaminated sediments if such sediments threaten beneficial uses of the waters of the state, the contamination is the result of a discharge of waste, and a cleanup to background levels is ...
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Environmental screening method for dredging in contaminated river
... Keywords: Dredging, Risk management, Environmental screening, Contaminated sediments, Ecological Risk Assessment.. Dredging in a contaminated river has been widely accepted to have an im[r] ...
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Long Term Fate of Agent Orange and Dioxin TCDD Contaminated Soils and Sediments in Vietnam Hotspots
... DOI: 10.4236/ojss.2019.91001 19 Open Journal of Soil Science have accumulated in aquatic systems [22] and soils. These findings suggests soil erosion and water runoff transport from locations where herbicides were ...
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