Hazardous concentrations of selenium in soil and groundwater in North-West India

Bajaj, Mini; Eiche, Elisabeth; Neumann, Thomas; Winter, Josef; Gallert, Claudia

doi:10.1016/j.jhazmat.2011.01.086

Cited by 173 publications

(75 citation statements)

References 27 publications

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“…Both villages are located in a known seleniferous area with high Se concentrations in soils, plants and irrigation water (Bajaj et al, 2011), first described by Dhillon and Dhillon (1991). The wheat plants and grains were sampled at the rim of a field next to an irrigation channel and showed signs of white chlorosis.…”

Section: Plant Sampling and Preparationmentioning

confidence: 99%

“…Selenate, which was found to be the dominant species in the leaves, is generally excreted more rapidly by the mammalian metabolism compared to SeMet, but possesses a relatively high toxicity (Yang et al, 1983;Ip and Hayes, 1989). Consequently, a considerable threat for animal health has to be expected from regular consumption of regional green fodder (Dhillon and Dhillon, 1991;Bajaj et al, 2011).…”

Section: Health and Economic Aspectsmentioning

confidence: 99%

See 1 more Smart Citation

Selenium distribution and speciation in plant parts of wheat (Triticum aestivum) and Indian mustard (Brassica juncea) from a seleniferous area of Punjab, India

Eiche

Bardelli

Nothstein

et al. 2015

Science of The Total Environment

106

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Section: Plant Sampling and Preparationmentioning

confidence: 99%

Section: Health and Economic Aspectsmentioning

confidence: 99%

Selenium distribution and speciation in plant parts of wheat (Triticum aestivum) and Indian mustard (Brassica juncea) from a seleniferous area of Punjab, India

Eiche

Bardelli

Nothstein

et al. 2015

Science of The Total Environment

106

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“…Concentrations of as much as 400-9,000 μg/L have been reported in U.S. waters [69]. In a study of water samples from 129 wells in Mongolia, concentration of selenium was 0.7 (<0.1-1.8 μg/L) [70], while toxic concentrations (45-341 μg/L) were found in groundwater in northwest India [71].…”

Section: Seleniummentioning

confidence: 99%

Arsenic, Copper, Molybdenum, and Selenium Exposure through Drinking Water in Rural Eastern Croatia

Ćurković¹,

Sípos²,

Puntarić³

et al. 2016

Pol. J. Environ. Stud.

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The objectives of this study were to determine the concentrations of arsenic, copper, molybdenum, and selenium in drinking water and biological tissues (serum, urine, hair) in the populations of three rural communities in eastern Croatia, and to determine whether the concentrations of these elements in drinking water can be related to their concentrations in biological tissues. Arsenic, copper, molybdenum, and selenium concentrations were determined using inductively coupled plasma mass spectrometry in the samples of water, urine, and serum of the subjects from all three communities, while hair samples were taken from the subjects from Ćelije and Draž. The highest arsenic concentrations in drinking water and biological tissues were found in the participants from Ćelije. In all three communities, concentrations of copper, molybdenum, and selenium did not exceed maximum permissible concentrations in drinking water or in biological tissues.

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“…Agriculture and combustion of fossil fuels are the primary sources of Se from human activities [4]. It is reported that the surface and ground water in some areas of China, India and America contain much higher levels of Se (45-341 lg/L) than required by the drinking water standard [4][5][6]. In the environment, Se can exist in different oxidation states: elemental selenium (Se 0 ), selenite (SeO 3 2À , Se(IV)), selenide (Se , Se(VI)) and organic Se [7].…”

Section: Introductionmentioning

confidence: 99%

Removal of Se(IV) and Se(VI) from drinking water by coagulation

Chen

et al. 2015

Separation and Purification Technology

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a b s t r a c t Selenium (Se) is one of contaminants required to be regulated during drinking water treatment, however, little information has been collected to date regarding Se removal by coagulation. In this study, the performance of Se removal by coagulation has been evaluated with respect to the dependence on Se species, coagulant type, water pH and interfering ions. The results showed that a Fe-based coagulant was much more efficient than Al-based coagulants in Se removal. The removal of selenite (Se(IV)) by coagulation was much more pronounced than that of selenate (Se(VI)). With an FC dosage of more than 0.4 mM Fe/L, Se(IV) removal efficiency of more than 98% could be achieved when the initial Se(IV) concentration was 250 lg/L. For Al-based coagulants (AlCl 3 (AC) and polyaluminum chloride (PACl)) Se removal efficiency was positively correlated with the content of Al 13 species during the coagulation process. Adsorption onto hydroxide flocs was the most active coagulation mechanism for Se removal and precipitation also played specific roles at low dosage, especially for Se(IV) removal and with Fe coagulant. High coagulant dosage and weakly acidic pH could enhance the formation of hydroxide flocs having more active adsorption sites and high zeta potential, and thus favored Se removal. These findings are important to understand the efficiency and mechanisms of Se removal by coagulation.

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Hazardous concentrations of selenium in soil and groundwater in North-West India

Cited by 173 publications

References 27 publications

Selenium distribution and speciation in plant parts of wheat (Triticum aestivum) and Indian mustard (Brassica juncea) from a seleniferous area of Punjab, India

Selenium distribution and speciation in plant parts of wheat (Triticum aestivum) and Indian mustard (Brassica juncea) from a seleniferous area of Punjab, India

Arsenic, Copper, Molybdenum, and Selenium Exposure through Drinking Water in Rural Eastern Croatia

Removal of Se(IV) and Se(VI) from drinking water by coagulation

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