Photocatalytic degradation of endocrine disruptor Bisphenol-A in the presence of prepared Ce sub(x)Zn sub(1-x)O nanocomposites under irradiation of sunlight

Photocatalytic degradation of Bisphenol A (BPA), a representative endocrine disruptor chemical, was carried out under irradiation of sunlight in the presence of Ce sub(x)Zn sub(1-x)O nanophotocatalyst. Cerium (Ce) ions were successfully incorporated into the bulk lattice of ZnO by simple co-precipit...

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Bibliographic Details
Published in:Journal of environmental sciences (China) 2014-11, Vol.26 (11), p.2362-2368
Main Authors: Kamaraj, M, Ranjith, K S, Sivaraj, Rajeshwari, Rajendra, R T Kumar, Salam, Hasna Abdul
Format: Article
Language:English
Subjects:
Catalysts
Degradation
Endocrine disruptors
Irradiation
Nanostructure
Photocatalysis
Sunlight
Zinc oxide
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Summary:Photocatalytic degradation of Bisphenol A (BPA), a representative endocrine disruptor chemical, was carried out under irradiation of sunlight in the presence of Ce sub(x)Zn sub(1-x)O nanophotocatalyst. Cerium (Ce) ions were successfully incorporated into the bulk lattice of ZnO by simple co-precipitation process. The Ce sub(x)Zn sub(1-x)O composite nanostructures exhibited higher photocatalytic efficiency than pure ZnO in the degradation of BPA under sunlight irradiation and nearly complete mineralization of BPA was achieved. The degradation rate was strongly dependent on factors such as the size and structure of catalyst, doping material concentration, BPA concentration, catalyst load, irradiation time and pH levels. This work suggested that the Ce sub(x)Zn sub(1-x)O assisted photocatalytic degradation is a versatile, economic, environmentally benign and efficient method for BPA removal in the aqueous environment.
ISSN:1001-0742
DOI:10.1016/j.jes.2014.09.022