Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 115, Issue 45, Pages 22242-22250Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp207572y
Keywords
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Funding
- Chinese Academy of Sciences, China
- National Key Scientific Program-Nanoscience and Nanotechnology [2011CB933700]
- China Postdoctoral Science Foundation [20110490386]
- National Natural Science Foundation of China [21103198, 60801021]
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Porous micro-/nanostructured MgO were successfully synthesized through a facile method. Flower-like and nest-like micro-/nanostructured MgO were obtained by adjusting the concentration of precipitant. When tested as adsorbent in arsenic removal, the as-prepared micro-/nanostructured MgO were effective for both As(III) and As(V) removal, particularly the As(III). The adsorption capacities of these micro-/nanostructured MgO for As (III)/As(V) are much higher than those reported for other micro-/nanostructured metal oxides. The adsorption kinetics and adsorption mechanism for As(III) and As(V) onto micro-/nanostructured MgO were also investigated. The high uptake capability of the as-prepared micro-/nanostructured MgO make it a potentially attractive adsorbent for the removal of both As(III) and As(V) from water.
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