Immobilization of selenium by Mg-bearing minerals and its implications for selenium removal from contaminated water and wastewater

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Immobilization of selenium by Mg-bearing minerals and its implications for selenium removal from contaminated water and wastewater

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作者：Einstine M. Opiso^a ; ; Tsutomu Sato^b ; Tetsuro Yoneda^b
关键词：Hydrotalcite ; Aluminian serpentine ; Selenate treatment ; Alkaline condition
刊名：Applied Clay Science
出版年：2016
出版时间：April 2016
年：2016
卷：123
期：Complete
页码：121-128
全文大小：2204 K

文摘

•: Se(VI) removal by Mg-bearing minerals was examined in alkaline condition.
•: Hydrotalcite and serpentine-like minerals were the dominant mineralogy.
•: Selenate removal efficiency was mainly influenced by the Mg/Al ratio.
•: Mg/Al ratio of 2 and 1.25 showed higher removal efficiency for selenate.
•: Selenate was mainly retained via outer-sphere complexation.

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