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|Title:||Photo-Fenton degradation of 17β-estradiol in presence of α-FeOOHR and H2O2||Authors:||Yaping, Z.
|Issue Date:||7-Feb-2008||Citation:||Yaping, Z.,Jiangyong, H. (2008-02-07). Photo-Fenton degradation of 17β-estradiol in presence of α-FeOOHR and H2O2. Applied Catalysis B: Environmental 78 (3-4) : 250-258. ScholarBank@NUS Repository. https://doi.org/10.1016/j.apcatb.2007.09.026||Abstract:||A novel photocatalyst, α-FeOOH-coated resin (α-FeOOHR), was prepared and applied for the photodegradation of natural estrogen 17β-estradiol (E2) in presence of H2O2 under the relatively weak UV irradiation. The continuing loading of ferric oxide on resin was achieved by in situ hydrolysis of Fe3+ in alkaline solution. The effects of initial pH, catalyst loading, oxidant concentration and iron leaching on the photodegradation of E2 were investigated. The batch photodegradation experiment showed that high removal efficiency of E2 and fairly good mechanic stability could be obtained by the spherical photocatalyst α-FeOOHR in aqueous solutions. The photodegradation efficiencies slightly decreased with the increase of initial pH in the wide pH range of 3-11. Increase of oxidant and catalyst will enhance photodegradation efficiencies thus lead to increase the Ferric leaching. Neglected iron leaching showed the stability of the loaded α-FeOOH withstanding the oxidation. X-ray photoelectron spectrum (XPS) shed light on the surface activity change of photocatalyst and heterogeneous catalytic essence of this process. © 2007 Elsevier B.V. All rights reserved.||Source Title:||Applied Catalysis B: Environmental||URI:||http://scholarbank.nus.edu.sg/handle/10635/87591||ISSN:||09263373||DOI:||10.1016/j.apcatb.2007.09.026|
|Appears in Collections:||Staff Publications|
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