Journal
ENVIRONMENTAL RESEARCH
Volume 164, Issue -, Pages 288-301Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.envres.2018.02.037
Keywords
Selenium; Contamination; Remediation
Funding
- National Natural Science Foundation of China [51709103]
- National Program for Support of Top-Notch Young Professionals of China
- Program for New Century Excellent Talents in University from the Ministry of Education of China [NCET-11-0129]
- Project of Science and Technology of Hunan Province [2015WK3016, 2016WK2010]
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Selenium (Se) contamination in surface and ground water in numerous river basins has become a critical problem worldwide in recent years. The exposure to Se, either direct consumption of Se or indirectly may be fatal to the human health because of its toxicity. The review begins with an introduction of Se chemistry, distribution and health threats, which are essential to the remediation techniques. Then, the review provides the recent and common removal techniques for Se, including reduction techniques, phytoremediation, bioremediation, coagulation-flocculation, electrocoagulation (EC), electrochemical methods, adsorption, coprecipitation, electrokinetics, membrance technology, and chemical precipitation. Removal techniques concentrate on the advantages, drawbacks and the recent achievements of each technique. The review also takes an overall consideration of experimental conditions, comparison criteria and economic aspects.
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