· "Selenium is an essential nutrient, but excess amounts can be dangerous to wildlife and people. Now the U.S. Environmental Protection Agency is preparing a new regulation that would require more than 600 coal-fired power plants to clean up --
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· Abstract. Selenium pollution is a worldwide phenomenon and is associated with a broad spectrum of human activities, ranging from the most basic agricultural practices to the most high-tech industrial processes. Consequently, selenium contamination of aquatic habitats can take place in urban, suburban, and rural settings
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· Dashan Village area is one of the representative areas in China with high selenium concentration in the natural environment. A total of 133 topsoil samples have been collected in the Dashan Village area to explore the potential toxic elements (PTEs) background concentrations in soils under different land-use types for a comprehensive
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· Living near a nuclear power plant has its perks, like tapping into a clean energy source and enjoying a steady supply of electricity. Plus, you get to breathe in less pollution compared to areas near fossil fuel plants. On the flip side, there are valid concerns such as potential health risks, safety issues, managing radioactive waste, beefing up
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· Selenium is an essential element since it is necessary for metabolism and is also toxic to the living things if it is consumed above the desirable limit. For instance, up to 40 µg per d of dietary selenium is
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· Atmospheric pollutants emitted from coal combustion at coal-fired power plants pose great challenge to local, regional and even global ecosystems (Zhu et al., 2005). Besides the most concerned greenhouse gases, the emissions of environmentally sensitive elements (ESEs) such as As, Cd, Cr, Cu, Hg, Mn, Ni, Pb, V and Zn, are also
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· Selenium levels are highest in young leaves and reproductive tissues, while S levels are highest in mature leaves. Leaf Se levels in the field peak in early spring, while leaf S levels peak in midsummer. In non-hyperaccumulators both Se and S levels peaked in midsummer (Galeas et al. 2007 ).
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· How much selenium, arsenic escapes ash from coal-fired power plants still TBD. Leftover sludge from the 2008 coal ash spill at the Kingston TVA power plant. (Image by Helen Hsu-Kim, Duke
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· Selenium (Se 79 34) is an essential element in living organisms.It is the 30th most abundant naturally occurring metalloid element on the Earth's crust. Selenium is present in the earth's crust at an estimated amount of 0.05–0.5 mg Se kg − 1 (Lemly, 2004), with total selenium concentrations in rocks amounting to 40% of the total earth's crust
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· DOI: 10.15244/PJOES/80693 Corpus ID: 55206635 Distribution and Accumulation of Selenium in Plants and Health Risk Assessment from a Selenium-Rich Area in China The result indicated that appropriate activities,
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:Selenium in PlantsSelenium in The EnvironmentAccumulation in Plants · These Se-containing metabolites produce specific ecological effects that affect ecological relationships among plants, animals, and microorganisms. Basing
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· Meanwhile, the existing research points out that SO 2 can also pose certain ecological risk (Shi et al., 2018). Evidence from fossil-fuel power plants in China J. Environ. Manag., 295 (2021), Article 113112,
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· Abstract. New data have been accumulated in the scientific literature in recent years which allow a more adequate risk assessment of selenium with reference to human health. This new evidence comes from environmental studies, carried out in populations characterized by abnormally high or low selenium intakes, and from high
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Selenium. Selenium pollution is a worldwide phenomenon and is associated with a broad spectrum of human activities, ranging from the most basic agricultural practices to the most high-tech industrial processes. Consequently, selenium contamination of aquatic habitats can take place in urban, suburban, and rur.
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· Moreover, excessive Se in soil can also pose ecological risks, including reduced soil microbial biomass, suppressed worm growth, and toxicity on plant photosynthetic systems ( Kushwaha et al
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· Selenium is an essential trace element which plays an important role in human immune regulation and disease prevention. Plants absorb inorganic selenium (selenite or selenate) from the soil and convert it into various organic selenides (such as seleno amino acids, selenoproteins, and volatile selenides) via the sulfur metabolic
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· We comprehensively evaluated the potential environmental risks of trace elements in fly ash and gypsum from ULE CFPPs in China using a modified risk assessment approach that integrates a trace
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:Selenium PollutionSoil ScienceSulfur and Selenium · Oral selenium ingestion has been associated with acute toxicity that increases the risk of mortality. Concentrations of selenium in blood and urine samples in
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:SeleniumPower Plants · In this study, the ecological risk of Se in the aquatic environments of Taihu Lake and the Yellow River estuary was preliminarily assessed using HQ, and the results
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· A major environmental concern associated with coal fly ash is the mobilization of trace elements that may contaminate water. To better evaluate proper use of fly ash, determine appropriate disposal methods, and monitor postdisposal conditions, it is important to understand the speciation of trace elements in fly ash and their possible
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:Selenium PollutionSelenium Contamination in WaterHabib Ullah · A total of 133 topsoil samples have been collected in the Dashan Village area to explore the potential toxic elements (PTEs) background concentrations in soils
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· The presence of mercury (Hg) in the environment can be attributed to different activities ranging from coal-fired power plants 1,2, mining 3,4, medicine (e.g., dental amalgams 5, and vaccine
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:Selenium in ChineseSoil ScienceCentral ChinaMajor conclusions: Selenium (hyper)accumulation offers ecological advantages: protection from herbivores and pathogens and competitive advantage over other plants. The
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· Moreover, excessive Se in soil can also pose ecological risks, including reduced soil microbial biomass, suppressed worm growth, and toxicity on plant photosynthetic systems (Kushwaha et al., 2021; Xu et al., 2022a).
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· Excessive Zn in plant cells causes high turbulence in physiological processes in plants, followed by plant death []. A previous study by Ebbs et al. [ 131 ] stated that Zn toxicity led to chlorosis for younger leaves at the early stage of exposure, then reached the old leaves.
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· The HQs are all large, indicating that Se in the region may pose an ecological risk to aquatic organisms. The standard limit for Se in China's Surface Water Environmental Quality Standard (GB3838-2002) is at least 10 μg/L.
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· Selenium level in public water supplies should not increase more than 10 μg/L (NAS, 1976, 1977; Gore et al., 2010).In underground water, Se concentration is increasing due to overuse of Se-containing fertilizers (Winkel et al., 2012) and has reached upto estimated concentration of 0.12 μg/L in Belgium, 2.4–40 μg/L in France (Mehdi et
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· Currently, various biological treatment methods of Se-laden wastewater treatment using bacterial consortiums (Eregowda et al., 2019; Zeng et al., 2019 a; 2019 b; Mal et al., 2021; Logan et al., 2022) and fungi (Espinosa-Ortiz et al., 2015; Werkneh et al., 2018; Negi et al., 2019) have received global attention due to their eco-friendly, low-cost
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A new report by the International Joint Commission (IJC) Health Professionals Advisory Board reviews the health risks that humans are exposed to when they frequently consume fish with high levels of the trace element selenium. The recent report, A Review of Human Health Impacts of Selenium in Aquatic Systems, surveys the current state of scientific
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Shuangchen Ma a Hebei Key Laboratory of Power Plant Flue Gas Multi-Pollutants Control, Department of Environmental Science and Engineering, North China Electric Power University, Baoding, People's Republic of China;b Moe Key Laboratory of Resources and Environmental Systems Optimization, College of Environmental Science and
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