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Issue 3, 2012
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Photochemical treatment of As(III) with α-Fe2O3 synthesized from Jarosite Waste

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Abstract

Endeavoring to mitigate and remedy Arsenic (As) in groundwater, we developed a one-step process for As(III) oxidation and subsequent adsorption by using α-Fe2O3 under UV irradiation. The α-Fe2O3 with high surface area was successfully prepared through a mild hydrothermal reaction using Jarosite waste as precursor. During the treatment of As(III) in aqueous solution, the as-obtained α-Fe2O3 can release ferric ions stimulated by UV irradiation. This led to the effective oxidation of As(III) to As(V) which is further adsorbed on α-Fe2O3, realizing the removal of As from water. This simple and efficient route may be potential for the remediation of polluted water containing As ions.

Graphical abstract: Photochemical treatment of As(III) with α-Fe2O3 synthesized from Jarosite Waste

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Publication details

The article was received on 11 Jul 2011, accepted on 20 Oct 2011 and first published on 13 Dec 2011


Article type: Paper
DOI: 10.1039/C1RA00436K
Citation: RSC Adv., 2012,2, 1112-1118

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    Photochemical treatment of As(III) with α-Fe2O3 synthesized from Jarosite Waste

    J. Wang, R. Yuan, L. Xie, Q. Tian, S. Zhu, Y. Hu, P. Liu, X. Shi and D. Wang, RSC Adv., 2012, 2, 1112
    DOI: 10.1039/C1RA00436K

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