Novel bioremediation processes for treatment of seleniferous soils and sediment

Wadgaonkar, Shrutika Laxmikant

doi:10.1201/9780429427428

Cited by 2 publications

(4 citation statements)

References 138 publications

(204 reference statements)

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“…Selenium is an essential part of the antioxidant enzyme glutathione peroxidase which protects cell membranes from damage caused by lipid peroxidation. Selenoproteins like thioredoxin reductase and glutathione peroxidase play a role in cancer prevention by preventing intracellular oxidative Figure 7.1 General schematic of causes, effects and bioremediation options for seleniferous soils and sediments (Wadgaonkar, 2017).…”

Section: Metabolic Role Of Selenium 721 Selenium Essentialitymentioning

confidence: 99%

“…Se is a scarce and critical element (Nancharaiah et al, 2016a) and its recovery from soil may not only assist in the clean-up of seleniferous soil, but the recovered Se may complement as a raw material for its wide range of applications from healthcare to electronic industries. (Wadgaonkar, 2017).…”

Section: Selenium Geochemistry In Seleniferous Soils and Sedimentsmentioning

confidence: 99%

“…Figure 7.6 Schematic approach of the washing of seleniferous soils and biotreatment of the Se-rich soil washing effluent (Wadgaonkar, 2017).…”

Section: Treatment Of Soil Leachatementioning

confidence: 99%

“…Few studies have explored the possibility of using inexpensive electron donors like methane (Lai et al, 2016) as the sole electron donor for bioreduction of Se oxyanions. Wadgaonkar (2017) investigated the anaerobic bioreduction of selenate to elemental Se by marine lake sediment in the presence of methane as a sole electron donor. Complete bioreduction of selenate was observed in serum bottles under high pressure conditions and in a biotrickling filter (BTF) reactor.…”

Section: Treatment Of Soil Leachatementioning

confidence: 99%

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In situ and ex situ bioremediation of seleniferous soils and sediments

Wadgaonkar¹,

Lens²

2021

Environmental Technologies to Treat Selenium Pollution

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The importance of environmental selenium (Se) research has been increasingly recognized during the last decade (Nancharaiah & Lens, 2015a;Tan et al., 2016). The concerns about Se toxicity began in the 1930s, when symptoms for alkali disease and blind staggers were observed in livestock grazing on grass grown on Se-enriched soil in South Dakota (Tinggi, 2003). On the other hand, Se deficiency was brought to the forefront in the 1960s with identification of a peculiar heart muscle disease symptom, called Keshan's disease, in China (Chen, 2012).In animals and humans, selenium plays an important role in the redox regulation of intracellular signaling, redox homeostasis and thyroid hormone metabolism (Huawei, 2009;Papp et al., 2007). To avoid deficiency and toxicity, the United States National Academy of Sciences Panel on Dietary Oxidants and Related Compounds recommended a dietary allowance of 55 µg Se day −1 in humans and set an upper tolerable limit of 400 µg Se day −1 (World Health Organization, 2011). The United Kingdom Expert Group on Vitamins and Minerals ( 2003) recommended a minimum intake of 60 µg Se day −1 for women and 70 µg Se day −1 for men.The amount of selenium in the food chain, and thus in the human diet, depends on the selenium concentrations in the soil. Therefore, soil is the most important part of

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Section: Metabolic Role Of Selenium 721 Selenium Essentialitymentioning

confidence: 99%

Section: Selenium Geochemistry In Seleniferous Soils and Sedimentsmentioning

confidence: 99%

“…Figure 7.6 Schematic approach of the washing of seleniferous soils and biotreatment of the Se-rich soil washing effluent (Wadgaonkar, 2017).…”

Section: Treatment Of Soil Leachatementioning

confidence: 99%

Section: Treatment Of Soil Leachatementioning

confidence: 99%

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